How to change hostname in centos7

Obviously you can do it manually, but there are a number of tools that can do it for you:

1. hostnamectl command : Control the system hostname. This is recommended method.
2. nmtui command : Control the system hostname using text user interface (TUI).
3. nmcli command : Control the system hostname using CLI part of NetworkManager.

Tip stolen from here

Dirk Pitt 2: the Mediterranean caper

The second book of the series. Another James bond like book, simple but enjoyable. The hero always gets the girl

Zsh tricks

A useful cheat sheet for zsh https://github.com/robbyrussell/oh-my-zsh/wiki/Cheatsheet

Dirk Pitt book 1

Light, enjoyable reading. The kind that would be ideal for a James bond like film. The plot is a bit naive and the characters rather shallow. Good for relaxation after work

Casual vacancy

This is an adult book from  John K Rowling. The story revolves around a small town called Pagford  and a larger city next to it called Yarvil. It is an interesting story albeit a little dramatic.

Regulating automatic watches using audacity

Nice blog post http://beomagi.blogspot.co.uk/2015/03/regulating-mechanical-watch-cheaply.html

Replacing watch movement

Never thought about replacing the movement of an old watch but it seems it is possible http://blog.esslinger.com/how-to-replace-a-watch-movement/