# - bof - #



:a
# -  - #
# - Documentation - #
https://linuxize.com/post/how-to-add-swap-space-on-ubuntu-20-04/
https://www.youtube.com/watch?v=0mgefj9ibRE

:b
# -  - #
# - Create swapfile - #
sudo fallocate -l 2G /swap.img;
sudo fallocate -l 4G /swap.img;
sudo fallocate -l 6G /swap.img;
sudo fallocate -l 8G /swap.img;

:c
# -  - #
# - If error message - #
sudo dd if=/dev/zero of=/swap.img bs=1024 count=2097152

:d
# -  - #
# - Swap on file - #
sudo chmod 600 /swap.img;
sudo mkswap -L Swap /swap.img;
sudo swapon /swap.img;

:e
# -  - #
# - Add swapfile to fstab file - #
sudo vim /etc/fstab;
/swap.img                                 none            swap    sw                0       0

:f
# -  - #
# - Check swapfile working - #

swapon -s;
free -m;
free -k;

sudo swapon --show;
sudo free -h;
cat /proc/swaps;
cat /proc/sys/vm/swappiness;

:g
# -  - #
# - Remove swap file - #
sudo swapoff -v /swap.img ;
sudo rm /swap.img ;

:h
# -  - #
# - Comment swapfile line on fstabfile - #
sudo gedit /etc/fstab;

#/swap.img                                  none            swap    sw                0       0



# - eof - #