Add 'swap.sh'

Скрипт для упрощения создания swap на сервере

swap.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+read -p 'Enter swap size in megabytes: ' size_mb
+size_kb=$((1024*${size_mb}))
+dd if=/dev/zero of=/swap bs=1024 count=${size_kb}
+chmod 0600 /swap
+mkswap /swap
+swapon /swap
+if [ "$(grep '/swap' /etc/fstab)" ]; then
+  echo "Error: file /etc/fstab already has 'Swap' record"
+else
+  echo "Add Swap record to /etc/fstab"
+  echo -e '\n/swap swap swap defaults 0 0' >> /etc/fstab
+fi
+swapon --show