X-Git-Url: https://git.josue.xyz/?a=blobdiff_plain;f=vps-addswap%2Finstall.sh;fp=vps-addswap%2Finstall.sh;h=f1f559f859ba2e40b96c4062fb363406f62256ff;hb=adbc9eafa00944e718345fc045429ea826730eab;hp=0000000000000000000000000000000000000000;hpb=42b2963ee042c4813783552ab762388a2f335948;p=webi-installers%2F.git

diff --git a/vps-addswap/install.sh b/vps-addswap/install.sh
new file mode 100644
index 0000000..f1f559f
--- /dev/null
+++ b/vps-addswap/install.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+{
+    set -e
+    set -u
+
+    default_size=2G
+    my_size=${1:-$default_size}
+
+    # Allocate a swapfile
+    fallocate -l "$my_size" /var/swapfile
+
+    # Only allow root to read it
+    # (this is not sufficient security for sensitive data)
+    chmod 0600 /var/swapfile
+
+    # Activate the swap
+    mkswap /var/swapfile
+    swapon /var/swapfile
+
+    # Cause swap to be activated on boot
+    echo '/var/swapfile none swap sw 0 0' | tee -a /etc/fstab
+
+}