SWAP — изменение размера файла

В примере новый размер swap - 1гб

• Turn off all swap processes

sudo swapoff -a

• Resize the swap

sudo dd if=/dev/zero of=/swap.img bs=1G count=1

if = input file

of = output file

bs = block size

count = multiplier of blocks

• Change permission

sudo chmod 600 /swap.img

• Make the file usable as swap

sudo mkswap /swap.img

• Activate the swap file

sudo swapon /swap.img

• Edit /etc/fstab and add the new swapfile if it isn't already there

/swap.img none swap sw 0 0

• Check the amount of swap available

grep SwapTotal /proc/meminfo