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Hello, I am in a hybrid environment, windows\Linux (Ubuntu, Debian, CentOS(RIP), Amazon Linux2), and several versions of both. When I sign in (all our linux is command line only) I see a OS version, and a reference to updates needed x security out of y total. If I hit "sudo yum update" 1) How...

Hello all, im new here and fairly new to Linux, i have a CentOS class under my belt and a little hands on experience, but i am running into things that i have no clue about all the time. All of our Linux variants are in AWS (if that matters), this questions is about Ubuntu, but we also have...