Add 'create_swap.sh'

create_swap.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# Disable current swap
+sudo swapoff -a
+for file in $(cat /proc/swaps | awk "NR>1" | awk '{print $1}'); do
+  echo "rm old swap $file"
+  sudo rm ${file}
+done
+sudo sed -i "/swap/d" /etc/fstab
+
+# Create new swap
+size=$(free -m | grep 'Mem' | awk '{print $2}')
+echo $size
+
+sudo dd if=/dev/zero of=/swapfile count=${size} bs=1MiB
+
+sudo chmod 600 /swapfile
+sudo mkswap /swapfile
+sudo swapon /swapfile
+
+echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
+
+free -h
+
+
+# Update conf
+sudo sed -i '/vm.swappiness/d' /etc/sysctl.conf
+echo 'vm.swappiness = 10' | sudo tee -a /etc/sysctl.conf
+
+sudo sed -i '/vm.vfs_cache_pressure/d' /etc/sysctl.conf
+echo 'vm.vfs_cache_pressure=50' | sudo tee -a /etc/sysctl.conf
+
+sudo sysctl -p