[Archlinux] Add swap into fstab

Check UUID for fstab
[happy@happy dev]$ lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 vfat 98B5-E549
├─sda2 ext4 44c05d33-236e-4fa3-9e26-c0e2a474d2dd /
├─sda3 ext4 5385c83e-b5a6-4277-92d2-885472df1a75 /data
└─sda4 swap 71f0f44b-e911-49fa-a2ea-6d0ce388805f [SWAP]

Add Swap space into fstab
[happy@happy dev]$ vim /etc/fstab

# /etc/fstab: static file system information
#
# <file system> <dir>   <type>  <options>       <dump>  <pass>
# /dev/sda2
UUID=44c05d33-236e-4fa3-9e26-c0e2a474d2dd       /               ext4            rw,relatime,data=ordered        0 1

# /dev/sda1
UUID=98B5-E549          /boot           vfat            rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro    0 2

# /dev/sda3
UUID=5385c83e-b5a6-4277-92d2-885472df1a75       /data           ext4            rw,relatime,data=ordered        0 2
UUID=71f0f44b-e911-49fa-a2ea-6d0ce388805f        none          swap      defaults

[happy@happy happy]$ free -m
total used free shared buff/cache available
Mem: 7857 489 6982 109 385 7199
Swap: 8191 0 8191

Reference:

• fstab