The IRC://freenode/tikiwiki is by far the most active communication point for Tikians of all levels. Come on over and help us build a better Tiki!
How do I change my nickname in my IRC client?
/nick < yournewnick > should work for most IRC clients.
How do I register my nickname with the IRC?
/msg nickserv register < password >
Should work with most IRC clients.
How do I install a typical RPM Package?
rpm -Uvh (Name of Package) should do the trick!