As we all know, Mac's come with relatively small storage space, so we need to keep periodically cleaning up files periodically. Especially when doing software development which adds up a lot of cache files around the system.
How to install a MacOS .pkg on a Mac without root/admin privileges ☺️
Keyboard shortcuts
I bought a MacBook Pro and wanted to start using Mac OS X as my primary OS. I'm used to Windows/Linux so I have some preferences as to behaviour. There are some things that are kind of annoying, many of which can be fixed. Also there are some tricks that make me more productive.
Improve WiFi/AirPlay performance
There is a cute litte program called sshuttle for shuttling IP subnet traffic over and SSH connection, like a VPN but doesn't require any setup on the remote end. (Mac and Linux).