"Can't get own hostname. Your System is severely misconfigured."

KDE reads your hostname from your /etc/hosts file. So even if you have hostname="mycomputer.localdomain.com" <--(Example here people not literal)in your /etc/rc.conf it won't help you. But wait you have that in your /etc/hosts and you still get the error. Yes you will KDE reads one line in /etc/hosts:
127.0.0.1     localhost localhost.my.domain
and that line isn't what it wants.It wants:
127.0.0.1     localhost Bob.abc.homenet
Basically replace Bob with the name of your computer. Replace abc with the middle part of your hostname. Replace homenet with the last part of you hostname.

So mine looks like this:
::1     localhost localhost.my.domain
127.0.0.1     localhost Slacker.bjh.homenet
hostname="Slacker.bjh.homenet"
That's it error message goes away.
For the newbies:
Inorder to change this in the hosts file you will need to bring up an editorby typing this at the command prompt:
# ee /etc/hosts
That will bring up easy editor. and the file to be edited. For ex windoze users it is like note pad. For linux users it is very similar to Pico. Save your changes when you exit the editor. If it doesn't let you save the changes it is because you are not root. You must be root to edit your hosts file. Enjoy.

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