Originally Posted by v1nc3nt
how do i change my hostname from:
$ su -
# hostname nct-Main
alternatively edit /etc/hosts file
how do i add a message saying "welcome to this server" "unaouthorised access prohibited" to appear when sombody log in
Put "unaouthorised access prohibited" in /etc/issue & /etc/issue.net.
P.S. This will only work in case users are logging from command line,i.e, runlevel 3, doesn't works for GUI.