Add Swap

The steps below will walk an operator through adding a 4gb swap space to a node

Steps

1. Run fallocate -l 4G /swapfile
2. Run dd if=/dev/zero of=/swapfile bs=1024 count=4194304
3. Run chmod 600 /swapfile
4. Run mkswap /swapfile
5. Run swapon /swapfile
6. Run vim /etc/fstab
7. Run /swapfile swap swap defaults 0 0