On Mon, 28 May 2007 20:54:27 +0100 Mick <[EMAIL PROTECTED]> wrote: > On Monday 28 May 2007 20:14, Albert Hopkins wrote: > > On Mon, 2007-05-28 at 18:52 +0100, Mick wrote: > > > > What is the way to send a console warning to anyone logged on a > > > machine before I reboot it? > > > > shutdown(8) does this for you. In addition there is wall(1). > > Of course wall! I had forgotten about that. There's also talk to tap > others on the shoulder. I assume all these will work if logged onto > a server via ssh? > > > > If the user is logged on a console I will only need to send it to > > > the console; in addition if the user is running webmin, or > > > phpadmin, then I would really like a popup of sorts to alert them > > > to log out (something like the net send command on MS Windows > > > running with the messenger service). > > > > I could give a long explanation on why in practice this never works > > (even for wall msgs), but it's not interesting. Instead I'll give > > you some real-world examples of what I've seen. > [snip...] > > Thank you for a very informative insight. :)
Yes, it should work at ssh terminals too. My test verifies. A. Hopkins is right though; even if everyone _did_ work at the terminal, and not say at the screen, people using ncurses or redrawing the screen often at any rate could miss a wall message. -- [EMAIL PROTECTED] mailing list
