mkdir /data
cd /data
mkdir /data/swap
sudo swapon --show
free -h
df -h
sudo fallocate -l 5G /data/swap/swapfile
sudo chmod 600 /data/swap/swapfile
ls -lh /data/swap/swapfile
sudo mkswap /data/swap/swapfile
sudo swapon /data/swap/swapfile
sudo swapon --show
free -h
echo "/data/swap/swapfile none swap sw 0 0" | sudo tee -a /etc/fstab
cat /proc/sys/vm/swappiness
cat /proc/sys/vm/vfs_cache_pressure
echo "vm.swappiness=1" | sudo tee -a /etc/sysctl.conf
echo "vm.vfs_cache_pressure=100" | sudo tee -a /etc/sysctl.conf
cat /proc/sys/vm/swappiness
cat /proc/sys/vm/vfs_cache_pressure