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Old 08-30-2008
agasamapetilon agasamapetilon is offline
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Send a massive message to the connected users
How can I send a message for all the users connected into the system at the same time? Let's say I need to reboot the server and I ask the users to save their jobs becasue the server will be rebooted?
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Old 08-30-2008
lijiajin lijiajin is offline
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man wall

regards
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Old 08-30-2008
agasamapetilon agasamapetilon is offline
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Thanks lijiajin,

Here is a bit more info for the command:

Code:
wall

This commands stands for: write all and is used to send messages to the currently logged users.

It is usually located in this directory:

Code:
/usr/bin/

This directory is not defined in the PATH so you will have to type in your shell the full path name to invoke it as follows:

Code:
/usr/bin/wall

For more information about this command and arguments to use, see:

Code:
man wall

Last edited by agasamapetilon; 08-30-2008 at 08:13 AM..
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Old 08-30-2008
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DukeNuke2 DukeNuke2 is offline Forum Staff  
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Quote:
Originally Posted by agasamapetilon View Post
It is usually located in this directory:

Code:
/etc
i think you mean something like:


Code:
/usr/bin/wall

/etc ist for config files... (afaik)
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Old 08-30-2008
agasamapetilon agasamapetilon is offline
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Yep, you're right. Thanks!
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Old 08-30-2008
agasamapetilon agasamapetilon is offline
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Looking up for some information in the web I also find the command:

Code:
rwall

Which also sends messages to all users on the network, here are some variants of the command:

Send a message to a specified host:

Code:
/usr/sbin/rwall hostname

Send a message to a specified network:

Code:
/usr/sbin/rwall -n network-group

Send a message to a specified host on a network:

Code:
/usr/sbin/rwall -h hostname -n network-group

You can check for some information related with this command right here:Commands Reference, Volume 4 - rwall Command
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