swapon / swapoff
CautionManage swap
swapon --show
Shows and enables swap. The emergency RAM-pressure fix: create a swap file, mkswap, swapon.
Examples
fallocate -l 2G /swapfile && chmod 600 /swapfile && mkswap /swapfile && swapon /swapfileAdd a 2 GB swap file
Syntax
swapon --show / swapon <dev|file> / mkswap <dev|file>
Before you run it
swapoff can hang under memory pressure.
The same reference, with no signal at all
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