[1583] in RedHat Linux List
Re: /etc/nologin fix
daemon@ATHENA.MIT.EDU (Tim Baverstock)
Tue Oct 29 05:23:56 1996
From: Tim Baverstock <warwick@mmm.co.uk>
Date: Tue, 29 Oct 1996 10:21:48 GMT
To: redhat-list@redhat.com
In-reply-to: <199610290536.AAA26860@redhat.com> (redhat-digest-request@redhat.com)
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
Mac McClellan wrote:
>
> I really screwed up big:
>
> I edited my /etc/pam.conf file and removed the entries for login etc., then
> rebooted before I had upgraded pam, util-linux and NetKit.
>
> Now I can't login. Anyone know how I can hack in and change the
> /etc/pam.conf file so I can log in?
Something I've done, until all this pam/shadow password nonsense is sorted out
for sure, is to change the line in /etc/inittab for VC 2 from the code to do
the login thing, to something which just invokes bash directly. It's not
pretty, it's a bit odd (root's home is / rather than /root), and it means that
anyone with access to the machine's keyboard can do anything as root, which is
a huge security hole, but you don't have to log in:
/etc/inittab [fragment]:
# Run gettys in standard runlevels
1:12345:respawn:/sbin/mingetty tty1
#2:2345:respawn:/sbin/mingetty tty2
2:2345:respawn:/bin/bash -login </dev/tty2 >/dev/tty2 2>/dev/tty2
.----------------------------------. mailto:warwick@mmm.co.uk
! Tim Baverstock, IP Network Admin ! http://www.mmm.co.uk [/~warwick]
`----------------------------------' plan:"Level 1 RFC1149 compliance."
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