1
vote
1answer
2k views

Crontab Shut down command didn't work

I wanted Crontab shut down the system daily but it didn't do so, did I misspelled something? This is my Crontab file: /etc/crontab: system-wide crontab Unlike any other crontab you don't have to ...
0
votes
2answers
111 views

I cannot find my schedule for system shut down

Long time ago I set a schedule for shutting down the system at a particular time. Now I need to change this time but I cannot find this schedule anywhere. I checked crontab and gnome-schedule Does ...
1
vote
2answers
194 views

Auto shut down if usage timer exceeds daily limit

I would like to activate a cron job valid for specific users only (for my kids) that it will check if the kids use the pc more than e.g. 60 min per day and then poweroff system. This means that if the ...
2
votes
1answer
580 views

Schedule to turn off monitor via crontab?

I want to turn off monitor on a specific period of time automatically (for example between 07:00 and 11:00). Is there any command to be set in crontab file? Is there any better way? In summary: ...
2
votes
1answer
830 views

Run two commands sequentially uisng crontab

My 3-year girl loves SuperTux. she couldn't control the mouse! so the game should run automatically on startup and after the game, computer should shut down automatically, too. however I put the ...
2
votes
0answers
120 views

Need to setup email notification when system starts and shutdown

I would like to have the system send me a email notification everrytime the system starts or shuts down. I am currently running Ubuntu 12.10 I found this tutorial but I couldn't make it to work.
1
vote
2answers
2k views

Auto shutdown server if there was no activity

My server should shutdown after 01:00 am, if there was no activity in the past hour. Lets say there was the last connection at 00:43 then it should check again at 01:43. How to write such a ...
4
votes
1answer
2k views

Why does my computer shuts down itself every morning at 6 AM?

My computer shuts down by itself at a specific time everyday 6:00am. I can't find what's causing it. I'm a long time Windows user and just recently tried Ubuntu. So I don't know anything about Linux ...