Swap memory is extra storage used when your server's RAM is full. It moves less active processes from RAM to a reserved space on disk, freeing up memory and preventing system crashes. In this article, you are to add swap memory on Ubuntu 22.04. You are to use a block storage to increase the available server memory. Before you begin: * Have an [Ubuntu 22.04 server](https://www.vultr.com/servers/ubuntu/). * Have an existing block storage. * Access the server using SSH as a non-root user with sudo ......