In my continuing tireless effort to find ways to spend more money to my domain registrar ( :- / ), I bring you unixjunkies.com. There, you will find links and resources that I find useful. It is maintained using mdbook in order to maintain a responsive design with multiple themes, and with and a useful client-side search function).
From nixCraft comes a simple explanation on some more advanced features of the ping command. Have a look at the using the ping command using spicific interfaces, ip address, and gateways.
Here is a fix for users of Windows 10 that would like to use their ssh keys the way they're used to in Debian or Ubuntu (using keychain). Just make sure to check your home directories' permissions..
Check out the BOFH story "Is everybody ready for the meeting? Grab a crayon – let's get technica."