IT Training (GNU/Linux, Kubernetes, Cloud, Blockchain, Programming and more).

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What is SSH GSSAPI? SSH GSSAPI (Generic Security Services Application Program Interface) is an extension to the Secure Shell (SSH) protocol, which is…


What is an ISSO? An ISSO, or Information System Security Officer, is a key position in the field of information security, particularly within…


In relation to GNU/Linux, what is STIG? STIG, in the context of GNU/Linux, refers to the Security Technical Implementation Guide. It is a…

ls command

Derek is a Professor of Computer Science at American Sentinel University. He is going to teach a class on the GNU/Linux ls command.