enable swap on linux

enable-swap.md

Howto

setup

$ sudo fallocate -l 2G /swapfile
$ sudo chmod 600 /swapfile
$ sudo mkswap /swapfile
$ sudo swapon /swapfile

view

$ sudo swapon --show
$ sudo free -h
$ cat /proc/sys/vm/swappiness

modify

$ sudo sysctl vm.swappiness=10
# or edit /etc/sysctl.conf, add `vm.swappiness=10`

remove

$ sudo swapoff -v /swapfile
$ sudo rm /swapfile

Reference

• https://linuxize.com/post/create-a-linux-swap-file/