Read here some articles of howto do this and that in installing, setting up, administering and programming stuff in embedded and Linux computing. It is intended only to facilitate tasks which are more frequent.

oh-my-zsh: an alternative shell

The zsh and its community driven framework oh-my-zsh makes you feel a 10x developer, if you believe the authors. Here it is described, how to install zsh alongside with oh-my-zsh with a few useful extensions.

Hacking