Every project you make you understand new things so you need to write down some thing. Something like a doc

One dev manage 40 sites' domains, SSL and check all of them with a package

Sometime you need to make your output more readible adding color to the terminal

Using DotBot for backup and sync crontab job

You need to check a lot of SSL certificate, some domain and others things

Sometime you need to configure your git or have a template for the commit for your work

For be a good programmer you need to be a blogger and write regulary

Why someone need a server and how I build mine