I'm writing a script at work that automatically installs a number of applications on Centos. Some apps are available through yum but some aren't, so I'm installing them using easy_install. One of the ...

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 repo has it?