On 16 June 2011 08:26, Cody Jackson <supertanker13 at gmail.com> wrote: > On OS Hardening ( http://wiki.centos.org/HowTos/OS_Protection ) > there's a section on "Physical Protection" that includes requiring a > single-user mode password. There's four lines that look something like > this: > > echo "Require the root pw when booting into single user mode" >> /etc/inittab > echo "~~:S:wait:/sbin/sulogin" >> /etc/inittab > echo "Don't allow any nut to kill the server" > perl -npe 's/ca::ctrlaltdel:\/sbin\/shutdown/#ca::ctrlaltdel:\/sbin\/shutdown/' > -i /etc/inittab > > It's been awhile since I've messed with the /etc/initab file, but why > is "Require the root pw when booting into single user mode" being > echoed to /etc/inittab? Is this a typo? Yes, I believe so. The line has been adjusted to read: echo "# Require the root pw when booting into single user mode" >> /etc/inittab Thanks for your critical scrutiny. Alan.