I edited manually the /etc/sysconfig/network file, changing the previous name in the "HOSTNAME=pc_name
" string (this is valid for other Linux distributions too).
But, to say the truth, I've noticed that in a (absolutely) fresh installation of F16 the /etc/hosts file is like this:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
I mean: it doesn't contain the computer name! In this case, the computer had been named pc
during the installation process ...