This is a simple to install script which will make monitoring you system in real-time very easy.

Source: Linux: Keep An Eye On Your System With Glances Monitor

Using multiple windows in VIM can make things a lot easier and it really isn’t hard to do.  To split the screen just do the following command:

:split <filename>

:vsplit <filename>

If you would like to switch between the windows you can use ctrl+w then use the arrow keys or ctrl+w again to just switch to the next window.  Follow the source link for some more advanced things you can do with the windows.

Source: vim tips and tricks: multiple windows

If you are like me you used two factory authentication everywhere that you can.  This is a nice tutorial on how to added it to your ssh authentication.

https://www.howtoforge.com/tutorial/secure-ssh-with-google-authenticator-on-centos-7/