On Wednesday 31 March 2004 09:10 Scott@Charter's cat walking on the keyboard wrote: > 1) How would you set up a secure passwordless login to a machine? > > Am I on the right track with something like this: user1:x:100:10:Joe > User1:/home/user1:/dev/null ? > You can change /dev/null to /sbin/nologin, see man nologin. > 2) What would you do to find out what services are running on ip 1.2.3.4? > > Would this work? netstat -a | grep 1.2.3.4 It is better to use nmap: nmap -O 1.2.3.4 (better as root). Luca -- Luca Ferrari, fluca1978@xxxxxxxxxxx - : send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html