Thêm swap cho vps linux

Create a Swap File

sudo fallocate -l 1G /swapfile

ls -lh /swapfile

-rw-r--r-- 1 root root 1.0G Apr 25 11:14 /swapfile

Enabling the Swap File

sudo chmod 600 /swapfile

ls -lh /swapfile

-rw------- 1 root root 1.0G Apr 25 11:14 /swapfile

sudo mkswap /swapfile

Setting up swapspace version 1, size = 1024 MiB (1073737728 bytes)
no label, UUID=6e965805-2ab9-450f-aed6-577e74089dbf

sudo swapon /swapfile

sudo swapon --show

NAME      TYPE  SIZE USED PRIO
/swapfile file 1024M   0B   -1

echo /swapfile none swap defaults 0 0 >> /etc/fstab