I had to use "-f2" instead of "-f1" because "ps ax" showed " 3156 ? Ss 0:00 /usr/sbin/sshd" with a leading space character, probably because by chanc

I had to use "-f2" instead of "-f1" because "ps ax" showed " 3156 ? Ss 0:00 /usr/sbin/sshd" with a leading space character, probably because by chance my sshd PID was below 10000 and therefore indented