in case no one answered you
there are many utilities under linux to do that
(remember: linux is real network operating system :-)
first you have to install and activate some deamons on
each node like : ntalk, rwalld, rwhod, fingerd .
these servers will allow you to send broadcast
messages to all nodes, know the uptime for each node,
know who is logged on each node
> Dear all,
> I have setup up an NIS domain in our lab, all PC are
> having Fedora
> Now I want to setup administrative tool that can
> help me...
> 1. to know which users have currently logged in...
> 2. I can send messages to all connected users like
> "Server will be
> down in 5 Min."
> 3. If possible... total logged in time of each User
> and total data
> 4. How can i define limited disk quota for each user
> on server(how to
> configure "quotad")
> How to find who are currently logged in ??
> Is there any utility in Linux ...like "net send" in
> Windows ?? to
> send msg.s to users ???
> looking for replies...
> thanx in advance....
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