Hi all,

I was wondering if anybody might point me in the right direction here.
I know that for limiting concurrent logins on a *single* machine,
you can set "maxlogins" in /etc/security/limits.conf.

However, this is only good for that single system.  Suppose you have
three machines (foo, bar, and baz), and you wish to restrict the number
of total logins across all three servers.  For example, you wish to
specify that a user may only log in once, total, on this set of systems.

I've searched Google with very little luck.  Most of the results are
either about limits.conf, limiting concurrent logins on a Windows
domain (yes, even with search terms of 'linux limit concurrent network
logins' and the like), or are otherwise irrelevant.

Can anyone provide any clues, point me in the right direction, or at
least let me know I'll have to hack something together with finger,
rwho, and/or a custom PAM module? :)

Thanks!

-- 
Bill Jonas    *    bill@billjonas.com    *    http://www.billjonas.com/
"It's a dangerous business, Frodo, going out your front door.  You step
into the Road,  and if you don't keep your feet,  there  is  no knowing
where you might be swept off to."  --  Bilbo Baggins
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