If you have two separate virtual private servers running Ubuntu or any other flavor of Linux, it's relatively easy to configure the machines to serve content for different subdomains of the same ...

Any advice from people who are familiar with Ubuntu have advice on how to go about upgrading with decreasing the chances things will go oh-so horribly wrong? The only pro is that it is a family mail ...

I'm not very experienced in Linux yet. Read couple articles and can't decide, which actions can speed up my website and VPS in general. Is Varnish a good option or Redis caching or anything else?