linux post config

This section we want to do post configuration in Linux system such as create user or adding public keys and etc.

The post config wich want to use it :

1. set time zone
2. set time and date
3. config firewalls
4. disbale unusable port
5. install necessary package if you have internet
6. change ssh default port
7. change ssh configs such as diable root login and login with key and ...
8. create a sudoer user with strong pass