Hi there: Relative Linux newbie here. Can't install yum-security plugin. Googling says it does exist for Centos 7. What am I doing wrong? Is this just a case of changing repositories? If so, which ...

I formerly ran rdhat 9.0 and I am a linux newbie. I liked the way apt had the synaptic(?) graphical interface for apt. You could scroll down the list to see what packages you wanted to update ...