Adduser and /etc/passwd

Smoot Carl-Mitchell smoot at
Wed Aug 15 19:46:46 UTC 2007

On Wed, 2007-08-15 at 08:29 +0200, Mario Vukelic wrote:

> As Matthew said, you can set the shell to /bin/false, but I find it
> neater to repeat what Ubuntu does to disable root logins: Use "!" as the
> password in /etc/shadow

But be careful with this method.  If users have set up public key
authentication using SSH, then putting a '!' in /etc/shadow will not
prevent them from logging in remotely.
Smoot Carl-Mitchell
System/Network Architect
email: smoot at
cell: +1 602 421 9005
home: +1 480 922 7313

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