Doing a site update for Compiler Explorer

A screencast in which I show how I do a site update. And debug it when I think it went wrong (spoiler alert: it actually didn't...)* Compiler Explorer is at: https://godbolt.org/

• mosh is the Mobile SHell: https://mosh.org/* The ce tool is in the compiler-explorer-image repository: https://github.com/mattgodbolt/compil