Create Swap

I decide me to use LVM for the most server that I have, its very flexible and you can every time resize and shrink your partitions.

Use swap area as LVM was a little bit tricky:
Create a swap partition with parted or your favorite one.

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# -L flag creates a label for your device
mkswap -L swap /dev/vdc1
swapon -a
cat /etc/fstab
LABEL=swap      none            swap    sw              0       0