Notify all users

Yan Seiner yan at seiner.com
Tue Sep 9 08:48:50 PDT 2008


On Tue, September 9, 2008 8:45 am, Tomasz Chmielewski wrote:
> Yan Seiner schrieb:
>> On Tue, September 9, 2008 8:34 am, Gene Heskett wrote:
>>> 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?
>>
>> Because most of my users will not have a terminal session open.
>> Typically
>> they use a browser full-screen, so I need a popup to notify them.
>
> I guess you need an imaginary "xwall" command.

:-)

Bingo.  That's what I am looking for.

I've found some ugly hacks using libnotify, dbus, and proc that should
work under gnome and xfce.  I'll see if I can hack up that xwall command.

--Yan

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