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-<div id='write' class = 'is-node'><h1><a name="practicas-para-realizar-en-el-cluster-de-raspberry-pi" class="md-header-anchor"></a><span>Practicas en cluster Raspberry Pi</span></h1><h2><a name="1--enrutamiento-estatico-con-api-rest" class="md-header-anchor"></a><span>1- Enrutamiento estatico con API REST</span></h2><p><span>El objetivo de esta practica consiste en crear una topologia serial de 3 switches y 3 host, como se muestra en la siguiente imagen. Asi, solo se permite conectividad entre las redes de h1 - h2 y h3-h2, pero no h1-h3.</span></p><p><img src="img/toporouting.png" align="left" width="500" style="zoom:40%;" /></p><p> </p><p><span>Para esto, mediante la pagina web cree la topologia, inicie el controlador con la aplicacion </span><em><span>REST Router</span></em><span> , confirme que en el controlador se muestra que los switches fueron reconocidos y proceda a configurar las direcciones IP de los hosts. </span></p><h3><a name="configuracion-de-direcciones-ip-a-los-hosts-virtuales" class="md-header-anchor"></a><span>Configuracion de direcciones IP a los hosts virtuales</span><span> </span></h3><p><span>Para configurar estas direcciones IP, utilice los comandos </span><code>h[x] ip addr del 10.0.0.[x]/8 dev h[x]-eth0</code><span> para eliminar la IP por defecto, siendo [x] el host deseado, y asimismo con el comando </span><code>ip addr add</code><span> configure las demas direcciones. Asi mismo, configure los gateway necesarios con el comando </span><code>ip route add default via [direccion_ip_gateway]</code><span>. </span></p><p><span>Entendemos que este proceso puede ser algo tedioso, por lo cual hemos creado un script, el cual se encuentra en la carpeta </span><em><span>scripts</span></em><span> de la Raspberry principal. Para ejecutarlo, simplemente ejecutelo con </span><code>./hostadress.sh</code><span>. </span></p><p><span>Compruebe mediante la web que se realizaron las configuraciones con el comando </span><code>h[x] ifconfig h[x]-eth0</code><span> </span></p><h3><a name="programar-el-controlador-para-que-los-switches-conozcan-las-redes" class="md-header-anchor"></a><span>Programar el controlador para que los switches conozcan las redes</span></h3><p><span>Par este paso, necesita hacer uso del API REST de la aplicacion de RYU. </span></p><p><span>Entendemos que esto puede ser un poco tedioso, por lo cual hemos creado un script que se encuentra en la carpeta </span><em><span>scripts</span></em><span> que realiza estas configuraciones de manera automatica, solo ejecutandolo con </span><code>./routerflows.sh</code><span>. Mas abajo se muestra un fragmento del script, para que se entienda que es lo que esta ocurriendo.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Este script hace peticiones HTTP POST a la API REST del codigo que debe estar corriendo</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">en el controlador,llamado rest_router.py.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix Tejada & Oscar Rodriguez</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Setting address to the routers..."</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.20.1/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.30/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.30.1/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.20/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 650px;"></div><div class="CodeMirror-gutters" style="display: none; height: 650px;"></div></div></div></pre><p><span>Una vez ejecutado, mediante la pagina web, compruebe que cada switch tiene seteado sus flow entrys correctamente en el apartado </span><em><span>flow tables</span></em><span>. </span></p><p><span>Compruebe que existe conectividad entre h1 y h2 ejecutando el comando </span><code>h1 ping -c 4 h2</code><span>. Para ver el camino recorrido, ejecute </span><code>h1 traceroute h2</code><span>.</span></p><p><span>Si desea eliminar todos los flowentry de los switches, y simplemente dejarlos con su flow por defecto, en la pagina web presione el boton </span><em><span>Reset flows</span></em><span> del apartado </span><em><span>Flow Tables</span></em><span>.</span></p><h2><a name="2--creando-un-micro-web-server" class="md-header-anchor"></a><span>2- Creando un micro web server</span></h2><p><span>El objetivo de esta practica es la de comprobar conectividad entre dos host virtuales, por ejemplo h1 y h2.</span></p><h3><a name="preparando-archivos" class="md-header-anchor"></a><span>Preparando archivos</span></h3><p><span>Para poder hacer una pequna web que podamos navegar vamos a hacer lo siguiente:</span>
-<span>Necesitamos crear un archivo, el cual sera un script en bash con lo que deseamos ver en el cliente. Para crear esto en un host especifico, escribimos </span><code>h[x] echo "[pegar texto de abajo]" > test.sh</code><span> , donde x es el id del host deseado.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span></span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"************PRINT SOME TEXT***************\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Hello World!!!"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Resources:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">vmstat <span class="cm-attribute">-S</span> M</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Addresses:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(ifconfig)</span><span class="cm-string">"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(gpio readall)</span><span class="cm-string">"</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 416px;"></div><div class="CodeMirror-gutters" style="display: none; height: 416px;"></div></div></div></pre><h3><a name="iniciando-el-servidor" class="md-header-anchor"></a><span>Iniciando el servidor</span></h3><p><span>En el host que funcionara como servidor corremos el comando </span><code>h[x] while true; do { echo -e 'HTTP/1.1 200 OK\r\n'; sh test.sh; } | nc -l 1234 -q 1; done &</code><span>, donde x es el id del host deseado.</span></p><h3><a name="accediendo-al-servidor" class="md-header-anchor"></a><span>Accediendo al servidor</span></h3><p><span>En cualquier otro host que tenga conectividad con el server solo tienes que realizar </span><code>h[x] curl -X GET http://_ipdelserver_:124</code><span> , siendo x el id de cualquier host. Asi podras ver tu web servida</span>
-<span>En caso de acceder desde una consola se puede instalar el software w3m y con este navegador par aconsola acceder a la web.</span></p></div>
-</body>
+ .CodeMirror-focused div.CodeMirror-cursor { visibility: inherit; }
+ .cm-searching { background: rgba(255, 255, 0, 0.4); }
+ @media print {
+ .CodeMirror div.CodeMirror-cursor { visibility: hidden; }
+ }
+
+
+ /* Flowchart variables */
+ /* Sequence Diagram variables */
+ /* Gantt chart variables */
+ /* state colors */
+ .label {
+
+ color: #333; }
+
+ .label text {
+ fill: #333; }
+
+ .node rect,
+ .node circle,
+ .node ellipse,
+ .node polygon {
+ fill: #BDD5EA;
+ stroke: #9370DB;
+ stroke-width: 1px; }
+
+ .node .label {
+ text-align: center; }
+
+ .node.clickable {
+ cursor: pointer; }
+
+ .arrowheadPath {
+ fill: lightgrey; }
+
+ .edgePath .path {
+ stroke: lightgrey;
+ stroke-width: 1.5px; }
+
+ .edgeLabel {
+ background-color: #e8e8e8;
+ text-align: center; }
+
+ .cluster rect {
+ fill: #6D6D65;
+ stroke: rgba(255, 255, 255, 0.25);
+ stroke-width: 1px; }
+
+ .cluster text {
+ fill: #F9FFFE; }
+
+ div.mermaidTooltip {
+ position: absolute;
+ text-align: center;
+ max-width: 200px;
+ padding: 2px;
+
+ font-size: 12px;
+ background: #6D6D65;
+ border: 1px solid rgba(255, 255, 255, 0.25);
+ border-radius: 2px;
+ pointer-events: none;
+ z-index: 100; }
+
+ .actor {
+ stroke: #81B1DB;
+ fill: #BDD5EA; }
+
+ text.actor {
+ fill: black;
+ stroke: none; }
+
+ .actor-line {
+ stroke: lightgrey; }
+
+ .messageLine0 {
+ stroke-width: 1.5;
+ stroke-dasharray: '2 2';
+ stroke: lightgrey; }
+
+ .messageLine1 {
+ stroke-width: 1.5;
+ stroke-dasharray: '2 2';
+ stroke: lightgrey; }
+
+ #arrowhead {
+ fill: lightgrey; }
+
+ .sequenceNumber {
+ fill: white; }
+
+ #sequencenumber {
+ fill: lightgrey; }
+
+ #crosshead path {
+ fill: lightgrey !important;
+ stroke: lightgrey !important; }
+
+ .messageText {
+ fill: lightgrey;
+ stroke: none; }
+
+ .labelBox {
+ stroke: #81B1DB;
+ fill: #BDD5EA; }
+
+ .labelText {
+ fill: #323D47;
+ stroke: none; }
+
+ .loopText {
+ fill: lightgrey;
+ stroke: none; }
+
+ .loopLine {
+ stroke-width: 2;
+ stroke-dasharray: '2 2';
+ stroke: #81B1DB; }
+
+ .note {
+ stroke: rgba(255, 255, 255, 0.25);
+ fill: #fff5ad; }
+
+ .noteText {
+ fill: black;
+ stroke: none;
+
+ font-size: 14px; }
+
+ .activation0 {
+ fill: #f4f4f4;
+ stroke: #666; }
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+ .activation1 {
+ fill: #f4f4f4;
+ stroke: #666; }
+
+ .activation2 {
+ fill: #f4f4f4;
+ stroke: #666; }
+
+ /** Section styling */
+ .section {
+ stroke: none;
+ opacity: 0.2; }
+
+ .section0 {
+ fill: rgba(255, 255, 255, 0.3); }
+
+ .section2 {
+ fill: #EAE8B9; }
+
+ .section1,
+ .section3 {
+ fill: white;
+ opacity: 0.2; }
+
+ .sectionTitle0 {
+ fill: #F9FFFE; }
+
+ .sectionTitle1 {
+ fill: #F9FFFE; }
+
+ .sectionTitle2 {
+ fill: #F9FFFE; }
+
+ .sectionTitle3 {
+ fill: #F9FFFE; }
+
+ .sectionTitle {
+ text-anchor: start;
+ font-size: 11px;
+ text-height: 14px;
+ }
+
+ /* Grid and axis */
+ .grid .tick {
+ stroke: lightgrey;
+ opacity: 0.3;
+ shape-rendering: crispEdges; }
+
+ .grid path {
+ stroke-width: 0; }
+
+ /* Today line */
+ .today {
+ fill: none;
+ stroke: #DB5757;
+ stroke-width: 2px; }
+
+ /* Task styling */
+ /* Default task */
+ .task {
+ stroke-width: 2; }
+
+ .taskText {
+ text-anchor: middle;
+ }
+
+ .taskText:not([font-size]) {
+ font-size: 11px; }
+
+ .taskTextOutsideRight {
+ fill: #323D47;
+ text-anchor: start;
+ font-size: 11px;
+ }
+
+ .taskTextOutsideLeft {
+ fill: #323D47;
+ text-anchor: end;
+ font-size: 11px; }
+
+ /* Special case clickable */
+ .task.clickable {
+ cursor: pointer; }
+
+ .taskText.clickable {
+ cursor: pointer;
+ fill: #003163 !important;
+ font-weight: bold; }
+
+ .taskTextOutsideLeft.clickable {
+ cursor: pointer;
+ fill: #003163 !important;
+ font-weight: bold; }
+
+ .taskTextOutsideRight.clickable {
+ cursor: pointer;
+ fill: #003163 !important;
+ font-weight: bold; }
+
+ /* Specific task settings for the sections*/
+ .taskText0,
+ .taskText1,
+ .taskText2,
+ .taskText3 {
+ fill: #323D47; }
+
+ .task0,
+ .task1,
+ .task2,
+ .task3 {
+ fill: #BDD5EA;
+ stroke: rgba(255, 255, 255, 0.5); }
+
+ .taskTextOutside0,
+ .taskTextOutside2 {
+ fill: lightgrey; }
+
+ .taskTextOutside1,
+ .taskTextOutside3 {
+ fill: lightgrey; }
+
+ /* Active task */
+ .active0,
+ .active1,
+ .active2,
+ .active3 {
+ fill: #81B1DB;
+ stroke: rgba(255, 255, 255, 0.5); }
+
+ .activeText0,
+ .activeText1,
+ .activeText2,
+ .activeText3 {
+ fill: #323D47 !important; }
+
+ /* Completed task */
+ .done0,
+ .done1,
+ .done2,
+ .done3 {
+ stroke: grey;
+ fill: lightgrey;
+ stroke-width: 2; }
+
+ .doneText0,
+ .doneText1,
+ .doneText2,
+ .doneText3 {
+ fill: #323D47 !important; }
+
+ /* Tasks on the critical line */
+ .crit0,
+ .crit1,
+ .crit2,
+ .crit3 {
+ stroke: #E83737;
+ fill: #E83737;
+ stroke-width: 2; }
+
+ .activeCrit0,
+ .activeCrit1,
+ .activeCrit2,
+ .activeCrit3 {
+ stroke: #E83737;
+ fill: #81B1DB;
+ stroke-width: 2; }
+
+ .doneCrit0,
+ .doneCrit1,
+ .doneCrit2,
+ .doneCrit3 {
+ stroke: #E83737;
+ fill: lightgrey;
+ stroke-width: 2;
+ cursor: pointer;
+ shape-rendering: crispEdges; }
+
+ .milestone {
+ transform: rotate(45deg) scale(0.8, 0.8); }
+
+ .milestoneText {
+ font-style: italic; }
+
+ .doneCritText0,
+ .doneCritText1,
+ .doneCritText2,
+ .doneCritText3 {
+ fill: #323D47 !important; }
+
+ .activeCritText0,
+ .activeCritText1,
+ .activeCritText2,
+ .activeCritText3 {
+ fill: #323D47 !important; }
+
+ .titleText {
+ text-anchor: middle;
+ font-size: 18px;
+ fill: #323D47;
+ }
+
+ g.classGroup text {
+ fill: #9370DB;
+ stroke: none;
+
+ font-size: 10px; }
+ g.classGroup text .title {
+ font-weight: bolder; }
+
+ g.classGroup rect {
+ fill: #BDD5EA;
+ stroke: #9370DB; }
+
+ g.classGroup line {
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ .classLabel .box {
+ stroke: none;
+ stroke-width: 0;
+ fill: #BDD5EA;
+ opacity: 0.5; }
+
+ .classLabel .label {
+ fill: #9370DB;
+ font-size: 10px; }
+
+ .relation {
+ stroke: #9370DB;
+ stroke-width: 1;
+ fill: none; }
+
+ #compositionStart {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #compositionEnd {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #aggregationStart {
+ fill: #BDD5EA;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #aggregationEnd {
+ fill: #BDD5EA;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #dependencyStart {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #dependencyEnd {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #extensionStart {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ #extensionEnd {
+ fill: #9370DB;
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ .commit-id,
+ .commit-msg,
+ .branch-label {
+ fill: lightgrey;
+ color: lightgrey;
+ }
+
+ .pieTitleText {
+ text-anchor: middle;
+ font-size: 25px;
+ fill: #323D47;
+ }
+
+ .slice {
+ }
+
+ g.stateGroup text {
+ fill: #eee;
+ stroke: none;
+ font-size: 10px;
+ }
+
+ g.stateGroup circle {
+ fill: white !important;
+ stroke: white !important;
+ }
+
+ g.stateGroup .state-title {
+ font-weight: bolder;
+ fill: black; }
+
+ g.stateGroup rect {
+ fill: #ececff;
+ stroke: #9370DB; }
+
+ g.stateGroup line {
+ stroke: #9370DB;
+ stroke-width: 1; }
+
+ .transition {
+ stroke: #9370DB;
+ stroke-width: 1;
+ fill: none; }
+
+ .stateGroup .composit {
+ fill: #555;
+ border-bottom: 1px; }
+
+ .state-note {
+ stroke: rgba(255, 255, 255, 0.25);
+ fill: #fff5ad; }
+ .state-note text {
+ fill: black;
+ stroke: none;
+ font-size: 10px; }
+
+ .stateLabel .box {
+ stroke: none;
+ stroke-width: 0;
+ fill: #BDD5EA;
+ opacity: 0.5; }
+
+ .stateLabel text {
+ fill: black;
+ font-size: 10px;
+ font-weight: bold;
+ }
+
+ ;
+ /* CSS Document */
+
+ /** code highlight */
+
+ .cm-s-inner .cm-variable,
+ .cm-s-inner .cm-operator,
+ .cm-s-inner .cm-property {
+ color: #b8bfc6;
+ }
+
+ .cm-s-inner .cm-keyword {
+ color: #C88FD0;
+ }
+
+ .cm-s-inner .cm-tag {
+ color: #7DF46A;
+ }
+
+ .cm-s-inner .cm-attribute {
+ color: #7575E4;
+ }
+
+ .CodeMirror div.CodeMirror-cursor {
+ border-left: 1px solid #b8bfc6;
+ z-index: 3;
+ }
+
+ .cm-s-inner .cm-string {
+ color: #D26B6B;
+ }
+
+ .cm-s-inner .cm-comment,
+ .cm-s-inner.cm-comment {
+ color: #DA924A;
+ }
+
+ .cm-s-inner .cm-header,
+ .cm-s-inner .cm-def,
+ .cm-s-inner.cm-header,
+ .cm-s-inner.cm-def {
+ color: #8d8df0;
+ }
+
+ .cm-s-inner .cm-quote,
+ .cm-s-inner.cm-quote {
+ color: #57ac57;
+ }
+
+ .cm-s-inner .cm-hr {
+ color: #d8d5d5;
+ }
+
+ .cm-s-inner .cm-link {
+ color: #d3d3ef;
+ }
+
+ .cm-s-inner .cm-negative {
+ color: #d95050;
+ }
+
+ .cm-s-inner .cm-positive {
+ color: #50e650;
+ }
+
+ .cm-s-inner .cm-string-2 {
+ color: #f50;
+ }
+
+ .cm-s-inner .cm-meta,
+ .cm-s-inner .cm-qualifier {
+ color: #b7b3b3;
+ }
+
+ .cm-s-inner .cm-builtin {
+ color: #f3b3f8;
+ }
+
+ .cm-s-inner .cm-bracket {
+ color: #997;
+ }
+
+ .cm-s-inner .cm-atom,
+ .cm-s-inner.cm-atom {
+ color: #84B6CB;
+ }
+
+ .cm-s-inner .cm-number {
+ color: #64AB8F;
+ }
+
+ .cm-s-inner .cm-variable {
+ color: #b8bfc6;
+ }
+
+ .cm-s-inner .cm-variable-2 {
+ color: #9FBAD5;
+ }
+
+ .cm-s-inner .cm-variable-3 {
+ color: #1cc685;
+ }
+
+ .CodeMirror-selectedtext,
+ .CodeMirror-selected {
+ background: #4a89dc;
+ color: #fff !important;
+ text-shadow: none;
+ }
+
+ .CodeMirror-gutters {
+ border-right: none;
+ }
+ ;
+ /* CSS Document */
+
+ /** markdown source **/
+ .cm-s-typora-default .cm-header,
+ .cm-s-typora-default .cm-property
+ {
+ color: #cebcca;
+ }
+
+ .CodeMirror.cm-s-typora-default div.CodeMirror-cursor{
+ border-left: 3px solid #b8bfc6;
+ }
+
+ .cm-s-typora-default .cm-comment {
+ color: #9FB1FF;
+ }
+
+ .cm-s-typora-default .cm-string {
+ color: #A7A7D9
+ }
+
+ .cm-s-typora-default .cm-atom, .cm-s-typora-default .cm-number {
+ color: #848695;
+ font-style: italic;
+ }
+
+ .cm-s-typora-default .cm-link {
+ color: #95B94B;
+ }
+
+ .cm-s-typora-default .CodeMirror-activeline-background {
+ background: rgba(51, 51, 51, 0.72);
+ }
+
+ .cm-s-typora-default .cm-comment, .cm-s-typora-default .cm-code {
+ color: #8aa1e1;
+ }@import "";
+ @import "";
+ @import "";
+
+ :root {
+ --bg-color: #363B40;
+ --side-bar-bg-color: #2E3033;
+ --text-color: #b8bfc6;
+
+ --select-text-bg-color:#4a89dc;
+
+ --item-hover-bg-color: #0a0d16;
+ --control-text-color: #b7b7b7;
+ --control-text-hover-color: #eee;
+ --window-border: 1px solid #555;
+
+ --active-file-bg-color: rgb(34, 34, 34);
+ --active-file-border-color: #8d8df0;
+
+ --primary-color: #a3d5fe;
+
+ --active-file-text-color: white;
+ --item-hover-bg-color: #70717d;
+ --item-hover-text-color: white;
+ --primary-color: #6dc1e7;
+
+ --rawblock-edit-panel-bd: #333;
+
+ --search-select-bg-color: #428bca;
+ }
+
+ html {
+ font-size: 16px;
+ }
+
+ html,
+ body {
+ -webkit-text-size-adjust: 100%;
+ -ms-text-size-adjust: 100%;
+ background: #363B40;
+ background: var(--bg-color);
+ fill: currentColor;
+ line-height: 1.625rem;
+ }
+
+ #write {
+ max-width: 914px;
+ }
+
+ html,
+ body,
+ button,
+ input,
+ select,
+ textarea,
+ div.code-tooltip-content {
+ color: #b8bfc6;
+ border-color: transparent;
+ }
+
+ div.code-tooltip,
+ .md-hover-tip .md-arrow:after {
+ background: #333;
+ }
+
+ .popover.bottom > .arrow:after {
+ border-bottom-color: #333;
+ }
+
+ html,
+ body,
+ button,
+ input,
+ select,
+ textarea {
+ font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+ }
+
+ hr {
+ height: 2px;
+ border: 0;
+ margin: 24px 0 !important;
+ }
+
+ h1,
+ h2,
+ h3,
+ h4,
+ h5,
+ h6 {
+ font-family: "Lucida Grande", "Corbel", sans-serif;
+ font-weight: normal;
+ clear: both;
+ -ms-word-wrap: break-word;
+ word-wrap: break-word;
+ margin: 0;
+ padding: 0;
+ color: #DEDEDE
+ }
+
+ h1 {
+ font-size: 2.5rem;
+ /* 36px */
+ line-height: 2.75rem;
+ /* 40px */
+ margin-bottom: 1.5rem;
+ /* 24px */
+ letter-spacing: -1.5px;
+ }
+
+ h2 {
+ font-size: 1.63rem;
+ /* 24px */
+ line-height: 1.875rem;
+ /* 30px */
+ margin-bottom: 1.5rem;
+ /* 24px */
+ letter-spacing: -1px;
+ font-weight: bold;
+ }
+
+ h3 {
+ font-size: 1.17rem;
+ /* 18px */
+ line-height: 1.5rem;
+ /* 24px */
+ margin-bottom: 1.5rem;
+ /* 24px */
+ letter-spacing: -1px;
+ font-weight: bold;
+ }
+
+ h4 {
+ font-size: 1.12rem;
+ /* 16px */
+ line-height: 1.375rem;
+ /* 22px */
+ margin-bottom: 1.5rem;
+ /* 24px */
+ color: white;
+ }
+
+ h5 {
+ font-size: 0.97rem;
+ /* 16px */
+ line-height: 1.25rem;
+ /* 22px */
+ margin-bottom: 1.5rem;
+ /* 24px */
+ font-weight: bold;
+ }
+
+ h6 {
+ font-size: 0.93rem;
+ /* 16px */
+ line-height: 1rem;
+ /* 16px */
+ margin-bottom: 0.75rem;
+ color: white;
+ }
+
+ @media (min-width: 980px) {
+ h3.md-focus:before,
+ h4.md-focus:before,
+ h5.md-focus:before,
+ h6.md-focus:before {
+ color: #ddd;
+ border: 1px solid #ddd;
+ border-radius: 3px;
+ position: absolute;
+ left: -1.642857143rem;
+ top: .357142857rem;
+ float: left;
+ font-size: 9px;
+ padding-left: 2px;
+ padding-right: 2px;
+ vertical-align: bottom;
+ font-weight: normal;
+ line-height: normal;
+ }
+
+ h3.md-focus:before {
+ content: 'h3';
+ }
+
+ h4.md-focus:before {
+ content: 'h4';
+ }
+
+ h5.md-focus:before {
+ content: 'h5';
+ top: 0px;
+ }
+
+ h6.md-focus:before {
+ content: 'h6';
+ top: 0px;
+ }
+ }
+
+ a {
+ text-decoration: none;
+ outline: 0;
+ }
+
+ a:hover {
+ outline: 0;
+ }
+
+ a:focus {
+ outline: thin dotted;
+ }
+
+ sup.md-footnote {
+ background-color: #555;
+ color: #ddd;
+ }
+
+ p {
+ -ms-word-wrap: break-word;
+ word-wrap: break-word;
+ }
+
+ p,
+ ul,
+ dd,
+ ol,
+ hr,
+ address,
+ pre,
+ table,
+ iframe,
+ .wp-caption,
+ .wp-audio-shortcode,
+ .wp-video-shortcode {
+ margin-top: 0;
+ margin-bottom: 1.5rem;
+ /* 24px */
+ }
+
+ li > blockquote {
+ margin-bottom: 0;
+ }
+
+ audio:not([controls]) {
+ display: none;
+ }
+
+ [hidden] {
+ display: none;
+ }
+
+ ::-moz-selection {
+ background: #4a89dc;
+ color: #fff;
+ text-shadow: none;
+ }
+
+ *.in-text-selection,
+ ::selection {
+ background: #4a89dc;
+ color: #fff;
+ text-shadow: none;
+ }
+
+ ul,
+ ol {
+ padding: 0 0 0 1.875rem;
+ /* 30px */
+ }
+
+ ul {
+ list-style: square;
+ }
+
+ ol {
+ list-style: decimal;
+ }
+
+ ul ul,
+ ol ol,
+ ul ol,
+ ol ul {
+ margin: 0;
+ }
+
+ b,
+ th,
+ dt,
+ strong {
+ font-weight: bold;
+ }
+
+ i,
+ em,
+ dfn,
+ cite {
+ font-style: italic;
+ }
+
+ blockquote {
+ padding-left: 1.875rem;
+ margin: 0 0 1.875rem 1.875rem;
+ border-left: solid 2px #474d54;
+ padding-left: 30px;
+ margin-top: 35px;
+ }
+
+ pre,
+ code,
+ kbd,
+ tt,
+ var {
+ background: rgba(0, 0, 0, 0.05);
+ font-size: 0.875rem;
+ font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+ }
+
+ kbd {
+ padding: 2px 4px;
+ font-size: 90%;
+ color: #fff;
+ background-color: #333;
+ border-radius: 3px;
+ box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);
+ }
+
+ pre.md-fences {
+ padding: 10px 10px 10px 30px;
+ margin-bottom: 20px;
+ background: #333;
+ }
+
+ .CodeMirror-gutters {
+ background: #333;
+ border-right: 1px solid transparent;
+ }
+
+ .enable-diagrams pre.md-fences[lang="sequence"] .code-tooltip,
+ .enable-diagrams pre.md-fences[lang="flow"] .code-tooltip,
+ .enable-diagrams pre.md-fences[lang="mermaid"] .code-tooltip {
+ bottom: -2.2em;
+ right: 4px;
+ }
+
+ code,
+ kbd,
+ tt,
+ var {
+ padding: 2px 5px;
+ }
+
+ table {
+ max-width: 100%;
+ width: 100%;
+ border-collapse: collapse;
+ border-spacing: 0;
+ }
+
+ th,
+ td {
+ padding: 5px 10px;
+ vertical-align: top;
+ }
+
+ a {
+ -webkit-transition: all .2s ease-in-out;
+ transition: all .2s ease-in-out;
+ }
+
+ hr {
+ background: #474d54;
+ /* variable */
+ }
+
+ h1 {
+ margin-top: 2em;
+ }
+
+ a {
+ color: #e0e0e0;
+ text-decoration: underline;
+ }
+
+ a:hover {
+ color: #fff;
+ }
+
+ .md-inline-math script {
+ color: #81b1db;
+ }
+
+ b,
+ th,
+ dt,
+ strong {
+ color: #DEDEDE;
+ /* variable */
+ }
+
+ mark {
+ background: #D3D40E;
+ }
+
+ blockquote {
+ color: #9DA2A6;
+ }
+
+ table a {
+ color: #DEDEDE;
+ /* variable */
+ }
+
+ th,
+ td {
+ border: solid 1px #474d54;
+ /* variable */
+ }
+
+ .task-list {
+ padding-left: 0;
+ }
+
+ .md-task-list-item {
+ padding-left: 1.25rem;
+ }
+
+ .md-task-list-item > input {
+ top: auto;
+ }
+
+ .md-task-list-item > input:before {
+ content: "";
+ display: inline-block;
+ width: 0.875rem;
+ height: 0.875rem;
+ vertical-align: middle;
+ text-align: center;
+ border: 1px solid #b8bfc6;
+ background-color: #363B40;
+ margin-top: -0.4rem;
+ }
+
+ .md-task-list-item > input:checked:before,
+ .md-task-list-item > input[checked]:before {
+ content: '\221A';
+ /*◘*/
+ font-size: 0.625rem;
+ line-height: 0.625rem;
+ color: #DEDEDE;
+ }
+
+ /** quick open **/
+ .auto-suggest-container {
+ border: 0px;
+ background-color: #525C65;
+ }
+
+ #typora-quick-open {
+ background-color: #525C65;
+ }
+
+ #typora-quick-open input{
+ background-color: #525C65;
+ border: 0;
+ border-bottom: 1px solid grey;
+ }
+
+ .typora-quick-open-item {
+ background-color: inherit;
+ color: inherit;
+ }
+
+ .typora-quick-open-item.active,
+ .typora-quick-open-item:hover {
+ background-color: #4D8BDB;
+ color: white;
+ }
+
+ .typora-quick-open-item:hover {
+ background-color: rgba(77, 139, 219, 0.8);
+ }
+
+ .typora-search-spinner > div {
+ background-color: #fff;
+ }
+
+ #write pre.md-meta-block {
+ border-bottom: 1px dashed #ccc;
+ background: transparent;
+ padding-bottom: 0.6em;
+ line-height: 1.6em;
+ }
+
+ .btn,
+ .btn .btn-default {
+ background: transparent;
+ color: #b8bfc6;
+ }
+
+ .ty-table-edit {
+ border-top: 1px solid gray;
+ background-color: #363B40;
+ }
+
+ .popover-title {
+ background: transparent;
+ }
+
+ .md-image>.md-meta {
+ color: #BBBBBB;
+ background: transparent;
+ }
+
+ .md-expand.md-image>.md-meta {
+ color: #DDD;
+ }
+
+ #write>h3:before,
+ #write>h4:before,
+ #write>h5:before,
+ #write>h6:before {
+ border: none;
+ border-radius: 0px;
+ color: #888;
+ text-decoration: underline;
+ left: -1.4rem;
+ top: 0.2rem;
+ }
+
+ #write>h3.md-focus:before {
+ top: 2px;
+ }
+
+ #write>h4.md-focus:before {
+ top: 2px;
+ }
+
+ .md-toc-item {
+ color: #A8C2DC;
+ }
+
+ #write div.md-toc-tooltip {
+ background-color: #363B40;
+ }
+
+ .dropdown-menu .btn:hover,
+ .dropdown-menu .btn:focus,
+ .md-toc .btn:hover,
+ .md-toc .btn:focus {
+ color: white;
+ background: black;
+ }
+
+ #toc-dropmenu {
+ background: rgba(50, 54, 59, 0.93);
+ border: 1px solid rgba(253, 253, 253, 0.15);
+ }
+
+ #toc-dropmenu .divider {
+ background-color: #9b9b9b;
+ }
+
+ .outline-expander:before {
+ top: 2px;
+ }
+
+ #typora-sidebar {
+ box-shadow: none;
+ border-right: 1px dashed;
+ border-right: none;
+ }
+
+ .sidebar-tabs {
+ border-bottom:0;
+ }
+
+ #typora-sidebar:hover .outline-title-wrapper {
+ border-left: 1px dashed;
+ }
+
+ .outline-title-wrapper .btn {
+ color: inherit;
+ }
+
+ .outline-item:hover {
+ border-color: #363B40;
+ background-color: #363B40;
+ color: white;
+ }
+
+ h1.md-focus .md-attr,
+ h2.md-focus .md-attr,
+ h3.md-focus .md-attr,
+ h4.md-focus .md-attr,
+ h5.md-focus .md-attr,
+ h6.md-focus .md-attr,
+ .md-header-span .md-attr {
+ color: #8C8E92;
+ display: inline;
+ }
+
+ .md-comment {
+ color: #5a95e3;
+ opacity: 1;
+ }
+
+ .md-inline-math svg {
+ color: #b8bfc6;
+ }
+
+ #math-inline-preview .md-arrow:after {
+ background: black;
+ }
+
+ .modal-content {
+ background: var(--bg-color);
+ border: 0;
+ }
+
+ .modal-title {
+ font-size: 1.5em;
+ }
+
+ .modal-content input {
+ background-color: rgba(26, 21, 21, 0.51);
+ color: white;
+ }
+
+ .modal-content .input-group-addon {
+ color: white;
+ }
+
+ .modal-backdrop {
+ background-color: rgba(174, 174, 174, 0.7);
+ }
+
+ .modal-content .btn-primary {
+ border-color: var(--primary-color);
+ }
+
+ .md-table-resize-popover {
+ background-color: #333;
+ }
+
+ .form-inline .input-group .input-group-addon {
+ color: white;
+ }
+
+ #md-searchpanel {
+ border-bottom: 1px dashed grey;
+ }
+
+ /** UI for electron */
+
+ .context-menu,
+ #spell-check-panel,
+ #footer-word-count-info {
+ background-color: #42464A;
+ }
+
+ .context-menu.dropdown-menu .divider,
+ .dropdown-menu .divider {
+ background-color: #777777;
+ }
+
+ footer {
+ color: inherit;
+ }
+
+ @media (max-width: 1000px) {
+ footer {
+ border-top: none;
+ }
+ footer:hover {
+ color: inherit;
+ }
+ }
+
+ #file-info-file-path .file-info-field-value:hover {
+ background-color: #555;
+ color: #dedede;
+ }
+
+ .megamenu-content,
+ .megamenu-opened header {
+ background: var(--bg-color);
+ }
+
+ .megamenu-menu-panel h2,
+ .megamenu-menu-panel h1,
+ .long-btn {
+ color: inherit;
+ }
+
+ .megamenu-menu-panel input[type='text'] {
+ background: inherit;
+ border: 0;
+ border-bottom: 1px solid;
+ }
+
+ #recent-file-panel-action-btn {
+ background: inherit;
+ border: 1px grey solid;
+ }
+
+ .megamenu-menu-panel .dropdown-menu > li > a {
+ color: inherit;
+ background-color: #2F353A;
+ text-decoration: none;
+ }
+
+ .megamenu-menu-panel table td:nth-child(1) {
+ color: inherit;
+ font-weight: bold;
+ }
+
+ .megamenu-menu-panel tbody tr:hover td:nth-child(1) {
+ color: white;
+ }
+
+ .modal-footer .btn-default,
+ .modal-footer .btn-primary,
+ .modal-footer .btn-default:not(:hover) {
+ border: 1px solid;
+ border-color: transparent;
+ }
+
+ .btn-default:hover, .btn-default:focus, .btn-default.focus, .btn-default:active, .btn-default.active, .open > .dropdown-toggle.btn-default {
+ color: white;
+ border: 1px solid #ddd;
+ background-color: inherit;
+ }
+
+ .modal-header {
+ border-bottom: 0;
+ }
+
+ .modal-footer {
+ border-top: 0;
+ }
+
+ #recent-file-panel tbody tr:nth-child(2n-1) {
+ background-color: transparent !important;
+ }
+
+ .megamenu-menu-panel tbody tr:hover td:nth-child(2) {
+ color: inherit;
+ }
+
+ .megamenu-menu-panel .btn {
+ border: 1px solid #eee;
+ background: transparent;
+ }
+
+ .mouse-hover .toolbar-icon.btn:hover,
+ #w-full.mouse-hover,
+ #w-pin.mouse-hover {
+ background-color: inherit;
+ }
+
+ .typora-node::-webkit-scrollbar {
+ width: 5px;
+ }
+
+ .typora-node::-webkit-scrollbar-thumb:vertical {
+ background: rgba(250, 250, 250, 0.3);
+ }
+
+ .typora-node::-webkit-scrollbar-thumb:vertical:active {
+ background: rgba(250, 250, 250, 0.5);
+ }
+
+ #w-unpin {
+ background-color: #4182c4;
+ }
+
+ #top-titlebar, #top-titlebar * {
+ color: var(--item-hover-text-color);
+ }
+
+ .typora-sourceview-on #toggle-sourceview-btn,
+ #footer-word-count:hover,
+ .ty-show-word-count #footer-word-count {
+ background: #333333;
+ }
+
+ #toggle-sourceview-btn:hover {
+ color: #eee;
+ background: #333333;
+ }
+
+ /** focus mode */
+ .on-focus-mode .md-end-block:not(.md-focus):not(.md-focus-container) * {
+ color: #686868 !important;
+ }
+
+ .on-focus-mode .md-end-block:not(.md-focus) img,
+ .on-focus-mode .md-task-list-item:not(.md-focus-container)>input {
+ opacity: #686868 !important;
+ }
+
+ .on-focus-mode li[cid]:not(.md-focus-container){
+ color: #686868;
+ }
+
+ .on-focus-mode .md-fences.md-focus .CodeMirror-code>*:not(.CodeMirror-activeline) *,
+ .on-focus-mode .CodeMirror.cm-s-inner:not(.CodeMirror-focused) * {
+ color: #686868 !important;
+ }
+
+ .on-focus-mode .md-focus,
+ .on-focus-mode .md-focus-container {
+ color: #fff;
+ }
+
+ .on-focus-mode #typora-source .CodeMirror-code>*:not(.CodeMirror-activeline) * {
+ color: #686868 !important;
+ }
+
+
+ /*diagrams*/
+ #write .md-focus .md-diagram-panel {
+ border: 1px solid #ddd;
+ margin-left: -1px;
+ width: calc(100% + 2px);
+ }
+
+ /*diagrams*/
+ #write .md-focus.md-fences-with-lineno .md-diagram-panel {
+ margin-left: auto;
+ }
+
+ .md-diagram-panel-error {
+ color: #f1908e;
+ }
+
+ .active-tab-files #info-panel-tab-file,
+ .active-tab-files #info-panel-tab-file:hover,
+ .active-tab-outline #info-panel-tab-outline,
+ .active-tab-outline #info-panel-tab-outline:hover {
+ color: #eee;
+ }
+
+ .sidebar-footer-item:hover,
+ .footer-item:hover {
+ background: inherit;
+ color: white;
+ }
+
+ .ty-side-sort-btn.active,
+ .ty-side-sort-btn:hover,
+ .selected-folder-menu-item a:after {
+ color: white;
+ }
+
+ #sidebar-files-menu {
+ border:solid 1px;
+ box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.79);
+ background-color: var(--bg-color);
+ }
+
+ .file-list-item {
+ border-bottom:none;
+ }
+
+ .file-list-item-summary {
+ opacity: 1;
+ }
+
+ .file-list-item.active:first-child {
+ border-top: none;
+ }
+
+ .file-node-background {
+ height: 32px;
+ }
+
+ .file-library-node.active>.file-node-content,
+ .file-list-item.active {
+ color: white;
+ color: var(--active-file-text-color);
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+ <div id='write' class = 'is-node'><h1><a name="practicas-para-realizar-en-el-cluster-de-raspberry-pi" class="md-header-anchor"></a><span>Practicas para realizar en el cluster de Raspberry Pi</span></h1><h2><a name="1--basic-trafic-engineering" class="md-header-anchor"></a><span>1- Basic Trafic Engineering</span></h2><blockquote><p><span>El objetivo de esta practica es entender el concepto de las redes definidas por software y sus ventajas, asi como mostrar como el controlador SDN puede decirle a los OVS que se comporten de una manera u otra, enviando el trafico deseado de un sitio a otro.</span></p></blockquote><h4><a name="-creacion-de-topologia" class="md-header-anchor"></a><span>-Creacion de topologia</span></h4><p><span> </span><span>Para empezar, vamos a crear una topologia de 3 switches y 3 hosts, conectados como se muestra en la siguiente figura. Posteriormente vamos a iniciar el controlador con la aplicacion </span><em><span>Switching</span></em><span>.</span></p><p><img src="img/toposwitch.png" align="left" style="zoom:40%;" width="500" /></p><p> </p><p><span> </span><span>Observe y asegurese que los flowtable de los switches estan por defecto. Una vez visto esto, el objetivo es simplemente obtener conectividad entre h1 y h2, modificando estos flow entry mediante una API REST haciendo peticiones al controlador SDN. </span></p><h4><a name="--configuracion-de-los-ovs-mediante-peticiones-al-controlador-sdn" class="md-header-anchor"></a><span>- Configuracion de los OVS mediante peticiones al controlador SDN</span></h4><p><span> </span><span>Para esto, nos dirijimos a la consola de la Raspberry principal (rpi1) y en la carpeta scripts ejecutamos el codigo </span><em><span>basicflow.sh</span></em><span>, el cual se tiene una muestra mas abajo, y no es mas que realizar POST al controlador con los parametros que deseamos configurar. En esta peticion se envia el DPID del switch deseado, y los respectivos campos de OpenFlow, tales como el match y los actions. </span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span></span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix G. Tejada</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">This script is applied to a linear <span class="cm-number">3</span> topo, just <span class="cm-keyword">for</span> show the example of basic TE.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> DELETE http://localhost:8080/stats/flowentry/clear/1</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"adding new flows entry to switches 1 and 2"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"dpid"</span>: <span class="cm-number">1</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"cookie"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"cookie_mask"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"table_id"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"idle_timeout"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"hard_timeout"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"priority"</span>: <span class="cm-number">100</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"flags"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"match"</span>:{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"in_port"</span>:1</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> },</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"actions"</span>:[</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"type"</span>:<span class="cm-string">"OUTPUT"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> <span class="cm-string">"port"</span>: <span class="cm-number">2</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> ]</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> }<span class="cm-string">' http://localhost:8080/stats/flowentry/add</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 728px;"></div><div class="CodeMirror-gutters" style="display: none; height: 728px;"></div></div></div></pre><p><span> </span><span>Notese que la idea es limpiar todo lo que tenga el switch en ese momento, y decirle basicamente "Todo el trafico recivido por el puerto 1 sacalo por el puerto 2". Siguiendo esta logica, se crea un camino por el cual fluye el trafico, en nuestro ejemplo, conectividad entre h1 y h2.</span></p><p><span> </span><span>Una vez ejecutado, compruebe que se actualizaron los flows de los switches 1 y 2, ademas de que existe conectividad entre h1 y h2 haciendo ping. </span></p><p><span> </span><span>Compruebe que no existe conectividad entre h1 y h3, debido a que no existe ninguna ruta especificada.</span></p><h2><a name="2--enrutamiento-estatico-con-api-rest" class="md-header-anchor"></a><span>2- Enrutamiento estatico con API REST</span></h2><blockquote><p><span>El objetivo de esta practica consiste en crear una topologia serial de 3 switches y 3 host, como se muestra en la siguiente imagen. Asi, solo se debe tener conectividad entre todas las redes de h1,h2 y h3.</span></p></blockquote><p><img src="img/toporouting.png" align="left" style="zoom:40%;" width="500" /></p><p><span> </span><span>Para esto, mediante la pagina web cree la topologia, inicie el controlador con la aplicacion </span><em><span>REST Router</span></em><span> , confirme que en el controlador se muestra que los switches fueron reconocidos y proceda a configurar las direcciones IP de los hosts. </span></p><h4><a name="-configuracion-de-direcciones-ip-a-los-hosts-virtuales" class="md-header-anchor"></a><span>-Configuracion de direcciones IP a los hosts virtuales</span></h4><p><span> </span><span>Para configurar estas direcciones IP, utilice los comandos </span><code>h[x] ip addr del 10.0.0.[x]/8 dev h[x]-eth0</code><span> para eliminar la IP por defecto, siendo [x] el host deseado, y asimismo con el comando </span><code>ip addr add</code><span> configure las demas direcciones. Asi mismo, configure los gateway necesarios con el comando </span><code>ip route add default via [direccion_ip_gateway]</code><span>. </span></p><p><span> </span><span>Entendemos que este proceso puede ser algo tedioso, por lo cual hemos creado un script, el cual se encuentra en la carpeta </span><em><span>scripts</span></em><span> de la Raspberry principal. Para ejecutarlo, simplemente ejecutelo con </span><code>./hostadress.sh</code><span>. </span></p><p><span> </span><span>Compruebe mediante la web que se realizaron las configuraciones con el comando </span><code>h[x] ifconfig h[x]-eth0</code><span> </span></p><h4><a name="-programar-el-controlador-para-que-los-switches-conozcan-las-redes" class="md-header-anchor"></a><span>-Programar el controlador para que los switches conozcan las redes</span></h4><p><span> </span><span>Par este paso, necesita hacer uso del API REST de la aplicacion de RYU. </span></p><p><span> </span><span>Entendemos que esto puede ser un poco tedioso, por lo cual hemos creado un script que se encuentra en la carpeta </span><em><span>scripts</span></em><span> que realiza estas configuraciones de manera automatica, solo ejecutandolo con </span><code>./routerflows.sh</code><span>. Mas abajo se muestra un fragmento del script, para que se entienda que es lo que esta ocurriendo.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Este script hace peticiones HTTP POST a la API REST del codigo que debe estar corriendo</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">en el controlador,llamado rest_router.py.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix Tejada & Oscar Rodriguez</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Setting address to the routers..."</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.20.1/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.30/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.30.1/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.20/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 650px;"></div><div class="CodeMirror-gutters" style="display: none; height: 650px;"></div></div></div></pre><p><span> </span><span>Una vez ejecutado, mediante la pagina web, compruebe que cada switch tiene seteado sus flow entrys correctamente en el apartado </span><em><span>flow tables</span></em><span>. </span></p><p><span> </span><span>Compruebe que existe conectividad entre h1 y h2 ejecutando el comando </span><code>h1 ping -c 4 h2</code><span>. Para ver el camino recorrido, ejecute </span><code>h1 traceroute h2</code><span>.</span></p><p><span> </span><span>Si desea eliminar todos los flowentry de los switches, y simplemente dejarlos con su flow por defecto, en la pagina web presione el boton </span><em><span>Reset flows</span></em><span> del apartado </span><em><span>Flow Tables</span></em><span>.</span></p><h2><a name="3--creando-un-micro-web-server" class="md-header-anchor"></a><span>3- Creando un micro web server</span></h2><blockquote><p><span>El objetivo de esta practica es la de comprobar conectividad entre dos host virtuales, por ejemplo h1 y h2, ejecutando un servicio web.</span></p></blockquote><h3><a name="preparando-archivos" class="md-header-anchor"></a><span>Preparando archivos</span></h3><p><span>Para poder hacer una pequna web que podamos navegar vamos a hacer lo siguiente:</span>
+ <span>Necesitamos crear un archivo, el cual sera un script en bash con lo que deseamos ver en el cliente. Para crear esto en un host especifico, escribimos </span><code>h[x] echo "[pegar texto de abajo]" > test.sh</code><span> , donde x es el id del host deseado.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"************PRINT SOME TEXT***************\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Hello World!!!"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Resources:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">vmstat <span class="cm-attribute">-S</span> M</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Addresses:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(ifconfig)</span><span class="cm-string">"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text=""></span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(gpio readall)</span><span class="cm-string">"</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 416px;"></div><div class="CodeMirror-gutters" style="display: none; height: 416px;"></div></div></div></pre><h3><a name="iniciando-el-servidor" class="md-header-anchor"></a><span>Iniciando el servidor</span></h3><p><span>En el host que funcionara como servidor corremos el comando </span><code>h[x] while true; do { echo -e 'HTTP/1.1 200 OK\r\n'; sh test.sh; } | nc -l 1234 -q 1; done &</code><span>, donde x es el id del host deseado.</span></p><h3><a name="accediendo-al-servidor" class="md-header-anchor"></a><span>Accediendo al servidor</span></h3><p><span>En cualquier otro host que tenga conectividad con el server solo tienes que realizar </span><code>h[x] curl -X GET http://_ipdelserver_:124</code><span> , siendo x el id de cualquier host. Asi podras ver tu web servida</span>
+ <span>En caso de acceder desde una consola se puede instalar el software w3m y con este navegador par aconsola acceder a la web.</span></p></div>
+ </body>