Create Swap Disk
To see which disk is available for swap disk use.
<pre lang="bash">lsblk
blkid
df -Th
Format the disk.
<pre lang="bash">fdisk /dev/xvda
Create a swap disk.
<pre lang="bash">sudo mkswap -f /dev/xvda
sudo swapon -s /dev/xvda
# or
sudo swapon /dev/xvda
Check if swap disk is available.
<pre lang="bash">lsblk
free -h
cat /proc/swaps
cat /proc/meminfo
swapon -s
top
vmstat
vmstat 1 5