From af20f804226dc7212ef24a536298a9592e52cc27 Mon Sep 17 00:00:00 2001
From: Newnius <newnius@noreply.localhost>
Date: Sat, 14 May 2022 13:34:42 +0000
Subject: [PATCH] Add 'create_swap.sh'

---
 create_swap.sh | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 create_swap.sh

diff --git a/create_swap.sh b/create_swap.sh
new file mode 100644
index 0000000..2e8c702
--- /dev/null
+++ b/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