Notify all users

Tomasz Chmielewski mangoo at
Tue Sep 9 08:48:59 PDT 2008

Chuck Robey schrieb:
> Hash: SHA1
> Tomasz Chmielewski wrote:
>> Gene Heskett schrieb:
>>> On Tuesday 09 September 2008, Yan Seiner wrote:
>>>> How do I go about notifying all users?  I am looking for an equivalent
>>>> of 'wall' for X.  xmessage doesn't really work very well as I'd have to mess
>>>> with xhost in each user's profile.
>>>> I've looked at libnotify, but it runs into dbus security issues.
>>>> So how does a sysadmin notify all users of an impending system event (like a
>>>> shutdown)?
>>> What is wrong with just using wall?
>> Does "wall" display anything for users running X? No.
> Depends if they're running terminals on X ... every terminal, X or not (like
> KDE's konsole) will echo whatever you send via wall.
> I don't know what non-programmers susally do, do they usually need (as a
> minimum) a login terminal, or not?  I would imagine they do, but I am just not
> certain about that.

Non-technical users tend to ask: "what's this black window" whenever 
they see a terminal window in their KDE / Gnome session.

Those more "techy" non-technical users would say: "I didn't know this 
*nix still needs MS-DOS to run".

Tomasz Chmielewski

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