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changing a computer's name

I recently changed the name of a computer, but I'm still getting messages in /var/log under the old name. I've changed


and ran hostname to change the name. I've also rebooted since that time.

A find+grep for the old name turned up hits in some Emacs stuff under /usr/share and /etc/emacs21, and the public keys in /etc/ssh.

Log files with the old name are

    auth.log (sudo, su, sshd, cron(pam_unix))
    daemon.log (identd, imapd, insmod, modprobe)
    kern.log (kernel)
    mail.log (imapd)
    user.log (xfs)

What else do I need to change to get these programs to pick up the new name? Also, how do I generate public keys with the correct host name (or can I just edit the hostname in /etc/ssh/ssh_host_rsa_key.pub and /etc/ssh/ssh_host_dsa_key.pub)?


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