Auto Shutdown tool

[oldblue]

Not sure where to mention this, but I thought here would be a good place, since most of you are programmers (I assume) :) . I can't seem to find an auto-shutdown tool for linux. The idea would be an applet to monitor cpu load, or network traffic, or whatever else, and then shutdown when the levels drop below a particular number for X amount of time. I thought it would be useful when downloading large files at night or when compiling a large program when going out, since most programs don't include this as an option.

Anyways, I was hoping maybe someone here knows of such a program. I think it would be amazingly useful, too. And yes, I know I'm going to get the usual comments that I should learn how to program and do it myself. In fact, when I have the time (which won't be for another couple months) I'll sit down and learn python and give it a shot. But I thought I'd throw the idea out there for anyone who has a similar itch and the means to do something about it (or knows of such a program). ;-)

Thanks

[nemin]

Not sure where to mention this, but I thought here would be a good place, since most of you are programmers (I assume) :) . I can't seem to find an auto-shutdown tool for linux. The idea would be an applet to monitor cpu load, or network traffic, or whatever else, and then shutdown when the levels drop below a particular number for X amount of time. I thought it would be useful when downloading large files at night or when compiling a large program when going out, since most programs don't include this as an option.

I don't know really much about shell scripting, but something like:
wget <the file you want> && poweroff
will shutdown your computer after the file is downloaded, won't it? You could use this tric for all programs. Not exactly what you're looking for, but I hope you'll find it usefull :)

[nocturn]

I don't know really much about shell scripting, but something like:
wget <the file you want> && poweroff
will shutdown your computer after the file is downloaded, won't it? You could use this tric for all programs. Not exactly what you're looking for, but I hope you'll find it usefull :)

This will only work when run as root AFAIK...
You could use sudo, but it prompts for a password. Or just put a line in sudoers allowing /sbin/shutdown without password.

[nemin]

This will only work when run as root AFAIK...
You could use sudo, but it prompts for a password. Or just put a line in sudoers allowing /sbin/shutdown without password.
Hmm you're right, forgot that :p But what about:
wget <the file you want> && echo <your password here> | sudo -S poweroff

[LordHunter317]

That's not a good way to do things as it risks password compromise. Plus, IIRC, sudo will only read the password off a terminal, so doing that will fail anyway. The correct thing to do is enable the user to run /sbin/shutdown without a password in /etc/sudoers:user ALL = NOPASSWD: /sbin/shutdown and then make your script like so:wget [file] && sudo /sbin/shutdown -h now

[oldblue]

Thanks for the reply's. I was hoping someone knew of a GUI app for something like this, but hey, those are overrated anyways right? :) I'll probably try my hand at some bash scripts to run in the background that check info in /proc. That way if I'm converting a whole bunch of CD's to mp3 (and I have a lot), I can have it shutdown when done. Or if I'm downloading from newsgroups with Klibido I can have it shutdown, etc, etc.
Thanks for the tips, and thanks for sudo/shutdown tip LordSlayer. That one will definately come in handy.