> > > How do I change the hostname? > In particular, what is the difference between /etc/hosts and > /etc/sysconfig/network files? Where should I make the changes? > /etc/hosts has nothing to do with the hostname this is just a way to resolve a name to an IP where DNS is not available or some other badness is going on hostname is set in /etc/sysconfig/network but if you want to change it on the fly you can also echo it into /proc/sys/kernel/hostname