SETHOSTNAME="yes"

if [ "$SETHOSTNAME" = "yes" ]; then
        if  test -r /var/run/gdm.pid && ps -ef | grep $(cat /var/run/gdm.pid) | grep -q /usr/sbin/gdm ; then
                echo "$(date): GDM running, not changing host name" >> /tmp/dhcp-sethostname.err ;
        else
                hostname $new_host_name;
        fi
fi