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Panthro/enable-swap.sh

Last active March 14, 2019 15:39
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enable swap (4GB) and tweak it for a server
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enable-swap.sh
#Allocate the file
fallocate -l 4G /swapfile
#Give right permissions
chmod 600 /swapfile
#make it a swap file
mkswap /swapfile
#turn swap on
swapon /swapfile
#mount it at every boot
echo "/swapfile none swap sw 0 0" >> /etc/fstab
#tweak cache clean pressure
sysctl vm.vfs_cache_pressure=50
echo "vm.vfs_cache_pressure=50" >> /etc/sysctl.conf
#change swappiness to 10% (When it's send to swap)
sysctl vm.swappiness=10
echo "vm.swappiness=10" >> /etc/sysctl.conf
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Panthro commented Jul 30, 2015

To download it and execute in on line

wget -q -O - https://gist.githubusercontent.com/Panthro/44bb6e67aad2a3eec4cc/raw/2d9bc5e1a420eb79636f01b8d981230aab0454ac/enable-swap.sh | bash

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