> On Jan 15, 2015, at 12:36, Mateusz Guz <Mateusz.Guz at itworks.pl> wrote: > according to this : > > http://unix.stackexchange.com/questions/28144/after-yum-update-is-it-a-good-idea-to-restart-the-server > > i should reboot my server after updating packages i.e: kernel, glibc, libc. > Maybe it's a silly question, but Is it necessary if I don't use graphical environment ? (and don't want to use the latest kernel yet) If you don’t want the kernel to update, just use —exclude=kernel* on yum or whatever. Why update it if you aren’t going to use it? Might as well be deliberate and know you’re purposefully skipping something. Nate