Add volume as a SWAP memory
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1. Run lsblk to check new volume, it will appear as /dev/xvdf on instance.
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda 202:0 0 256G 0 disk
└─xvda1 202:1 0 256G 0 part /
xvdf 202:80 0 32G 0 disk
2. Set up the swap area
$ sudo mkswap /dev/xvdf
3. Enable swap
$ sudo swapon /dev/xvdf
4. Make this swap setting persist by adding following line in /etc/fstab
$ sudo nano /etc/fstab
/dev/xvdf none swap sw 0 0
5. Check swap space
$ sudo swapon --show
NAME TYPE SIZE USED PRIO
/dev/xvdf partition 32G 279.9M -1
