I’ve been experimenting with migrating from a 2 gig VPS server to a much smaller 512MB server for hosting this blog and a dozen or so other small sites. I have had great experiences with Linode over the years, but wanted to try Digital Ocean as they have the small inexpensive servers which seem perfect for hosting personal sites like this (those links are referral codes; if you use them I get a small credit on my hosting, thanks).
Initially, just setting up an Ubuntu server with standard LAMP configuration on Digital Ocean runs as expected and WordPress is simple to install. The only trick is, when you’re done with the default configuration, you have a server that will run out of memory when faced with anything but a few simultaneous users. And it’s slow. So let’s see if we can fix this.