SHELL

how to swap ubuntu

# Check Current Swap
sudo swapon -s

# Create Swap File
sudo fallocate -l 4G /swapfile
chmod 600 /swapfile

# Make it to swap format and activate on your system
sudo mkswap /swapfile
sudo swapon /swapfile

# Make Swap Permanent
sudo vim /etc/fstab
# and add below entry to end of file
/swapfile   none    swap    sw    0   0

# Check System Swap Memory
sudo swapon -s
free -m

# Update Swappiness Parameter
sudo vim /etc/sysctl.conf
# append following configuration to end of file
vm.swappiness=10

# Now reload the sysctl configuration file
sudo sysctl -p

ubuntu turn off swap

sudo swapoff -a && sudo sed -i '/ swap / s/^(.*)$/#1/g' /etc/fstab