For questions regarding shutting down and powering off.

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4
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1answer
537 views

Lost privileges since upgrading to 13.10

Since upgrading to 13.10, I no longer have the 'privileges' to do the following things: Mount USB/CDROM drives Run software centre or software updater Press the GUI shut down or restart buttons ...
4
votes
3answers
9k views

Computer completely shuts down

I've been having a problem with my Ubuntu 12.04 64-bit machine which is happening quite often and randomly. During a normal session and without any indication that something is wrong the computer just ...
4
votes
2answers
998 views

Why does my computer get stuck on the shut down screen? [closed]

When I shut down my computer it always gets stucks on the shut down screen (where it displays the Ubuntu logo and the little dots). I tried to shut it down through shell, I checked the init. process, ...
4
votes
1answer
2k views

Random Shutdowns

I've installed Ubuntu on a USB thumbdrive, to be used to backup (image) and partition a harddisk. I'm currently stuck at the backup-phase of my plan, because Ubuntu keeps shutting down. From my ...
4
votes
2answers
3k views

Ubuntu hangs on shutdown

I recently upgraded from 11.04 to 11.10. My machine now hangs during the shutdown process, but can reboot just fine. If I turn off quiet and splash boot options, then the following error is displayed: ...
4
votes
1answer
2k views

Installing nVidia drivers for Quadro FX 880M on 10.10 caused shutdown/startup issues

So I was facing weird graphics drivers issues due to the default nouveau drivers that came installed with Ubuntu 10.10 hence I installed the latest nVidia graphics drivers & the weird graphics ...
4
votes
1answer
1k views

MSI U130 freezes on shutdown

The computer freezes when i shutdown. I have tried the acpi options acpi=off and acpi=force but they don't work. The computer is a MSI U130. The only way to shutdown is by long pressing the power ...
4
votes
0answers
2k views

Ubuntu 16.04 won't power off: poweroff.target is disabled

Ubuntu 16.04 won't power off. When I go to the icon at the top right of the screen and click shutdown, it does not shutdown. I ran shutdown -h now and this is what I got: tanner@tanner-x151x:~$ ...
4
votes
1answer
286 views

Ubuntu doesn't turn off

I'm new to this system, so I been using Ubuntu 16.04 TLS 64 bits a few days. First, I did a fresh install of Windows 10 but I have the "black screen" issue on booting after the grub, I had to make a ...
4
votes
3answers
265 views

Ubuntu Crashing Frequently

I am running a Ubuntu-14.04 x64 minimal. It has 64gb RAM, Hexa Core (3.2ghz) and some other stats, that are quite overpowered for my current usage (as i think). The system runs a mysql server and ...
4
votes
0answers
324 views

Slow shutdown caused by cryptswap

After upgrading to 15.04 my computer takes a very long time to power off. Hitting escape during shutdown shows messages like so: (1 of 6) A stop job is running for /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-...
4
votes
3answers
5k views

Lubuntu: neither shut-down nor restart works [closed]

aI have a freshly installed Lubuntu 14.04.1 (installed with forcepae option on a laptop with Pentium M processor). The only problem that I have found so far is that I cannot shut-down or restart the ...
4
votes
1answer
276 views

How to disable shutdown/restart/hibernate without authentication

I do not want to allow my desktop to shutdown/restart/hibernate without authentication. How can I achieve this? I am running Ubuntu 12.04 LTS with unity. Most of the questions previously asked ...
4
votes
3answers
2k views

PC restarts after a few seconds when performing shutdown or suspend

After a shutdown or suspend, the machine appears to completely shutdown (all fans stop and are quiet), after a few seconds, everything is powered up again by itself. Despite the many offered ...
4
votes
4answers
795 views

Shut down acts as restart?

I've installed Ubuntu (almost all latest versions), when my Acer Aspire V5-471 is want to shutdown from Ubuntu, it acts as restart/reboot. Refer to edit 2 for releases tried and edit 1 for tried ...
4
votes
0answers
114 views

What is the shutdown command in 13.04 to display new unity shutdown dialog? [duplicate]

I want to create a shutdown icon for the launcher in 13.04. In former versions of Ubuntu I used this desktop file and put it in the launcher: [Desktop Entry] Name=Shut Down TryExec=/usr/lib/indicator-...
4
votes
1answer
1k views

Ubuntu 13.04 shutdown hangs in Asus P42F

On shutdown the following message is displayed: acpid: exiting speech-dispatcher disabled; edit /etc/default/speech-dispatcher The computer hangs at this spot and does not complete a shutdown or ...
4
votes
1answer
341 views

low graphics mode error only during shutdown

I'm getting the message: "The system is running in low graphics mode. Your screen, graphics card and input device settings could not be detected correctly. You will need to configure these yourself." ...
4
votes
6answers
2k views

Cannot restart, reboot, nor shutdown Ubuntu 11.04

I cannot restart, reboot or shut-down my PC using Natty. Whenever I hit shut-down, restart or in terminal sudo reboot it shows a black screen. If I should press down the power button for while, it ...
3
votes
2answers
123 views

Why do I need to shutdown Ubuntu?

Suppose there is no installation process running and the PC goes off without the usual shutdown command. Is there any risk for my OS to be damaged? If yes, then what are those? In other words: Why do ...
3
votes
4answers
28k views

How to shut down my computer?

I can't find a dialogue anywhere on the desktop (like on Windows Start/shutdown) to shut down Ubuntu. I downloaded and ran the Ubuntu live CD and after I ran it, I couldn't shut it down. I had to hold ...
3
votes
1answer
2k views

How do I get my computer to shut down with the power button?

When I press the power button on my PC, it brings up an interface with four options: Lock, suspend, restart, shut down. Is there any way to have it simply shut down when I press the power button? ...
3
votes
4answers
2k views

Console text appears on shutdown

I updated to 10.10 from 10.04 -however not with a clean install but with online update. Since then at shutdown some console texts appear (next to the red spot representing the shutdown steps). Im ...
3
votes
4answers
863 views

shutdown in specific way, if no-one uses computer

I have problem because my friends with I live often forget to shut down our computer. I don't know how solution use to pretend it. There is ubuntu system installed. I am looking for solution that ...
3
votes
2answers
355 views

How to execute a shutdown with timer and screensaver command in a script

I made this script when executed will shutdown my system (after some time) and should enable a screensaver. #!/bin/bash sudo shutdown -h +30 gnome-screensaver-command -a There are mainly two ...
3
votes
3answers
9k views

Automatic shutdown at specified times?

I'm aware I can use (sudo?) shutdown -h hh:mm in a terminal window to shut down a system, however the user that is logged in is a kiosk user, which is locked down in such a way that terminal (or any ...
3
votes
4answers
6k views

How to run a command before the machine automatically shutdowns?

How to run a command before the machine automatically shutdowns?
3
votes
4answers
3k views

No verbose output on startup after upgrade to 15.04

When I was running Ubuntu 14.10 I was able to view the verbose output during startup and shutdown (which was very useful for me). But now that I have upgraded to Ubuntu 15.04 I get the verbose output ...
3
votes
2answers
419 views

What happens to manual Upstart services on shut down?

If using the manual keyword in an init or override Upstart script, it is not clear whether the services shut down process will be initiated or it will just be killed on shut down. For instance, will ...
3
votes
2answers
1k views

What happens when suspended?

I have a laptop - Lenovo T60. When I close the lid, I see that the machine goes into suspended mode. The moment I open the lid, the laptop is instantly a live. My concern - Does going into suspended ...
3
votes
3answers
5k views

Transmission shutdown script for multiple torrents?

I have written a shutdown script for transmission. Transmission calls the script after a torrent download finishes. The script runs perfectly on my machine (Ubuntu 11.04 & 12.04). #!/bin/bash ...
3
votes
1answer
470 views

How can I safely shut down Xfce from the terminal?

I'm not looking for shutdown or reboot or the like. I want to know how to shut down Xubuntu from the terminal, by executing a command that would have the same effect as clicking the "Shutdown" button ...
3
votes
1answer
689 views

Using upstart for non-daemon tasks

I would like to have foo do-startup-things run on boot, and foo do-shutdown-things run on shutdown where foo is my own program. It looks like Upstart is a good candidate to do this, but Upstart seems ...
3
votes
2answers
2k views

The “power cog” has disappeared [closed]

I am using Ubuntu 11.10 beta 1. The "power cog" (the button at the top right corner of the screen) seems to have disappeared. I am not sure what caused that because it was there when I installed 11.10 ...
3
votes
1answer
490 views
3
votes
3answers
9k views

Why does Ubuntu freeze during reboot (14.04 LTS)?

I'm new to this whole Linux thing, and although I have been able to figure out how to set up Ubuntu thus far, there is one issue that bugs me. Whenever I attempt to restart the computer, it freezes ...
3
votes
2answers
2k views

Terminal commands to hard shutdown and hard restart

I want to do hard restart and hard shutdown(immediate shutdown and restart) through terminal. Is this possible through terminal commands? And note that no answers in this How do I restart /shutdown ...
3
votes
1answer
1k views

Remove “restart” option from menu

When I click the gear icon to open the system menu on my PC, these options are presented: Suspend Restart... Shutdown... The restart options seems redundant, because it literally does the same ...
3
votes
1answer
1k views

Confirm shutdown with Zenity?

I got this command which enables me to shutdown Ubuntu 13.10 directly from the keyboard (without needing to open a terminal and running something like sudo shutdown -h now): dbus-send --system --...
3
votes
2answers
3k views

overheating and shutdown problems when adobe flash runs?

I'm a new user of UBUNTU and using a Dell latitude D630. When I browse to site that have some flash animation (mostly advertisements), the temperature of cores increase dramatically (I check with ...
3
votes
3answers
507 views

Does powering off the PC without shutting down harm the system?

I accidentally killed Compiz in my Unity session and couldn't restart it. So I powered the PC off with the hardware button. I am wondering if that could cause damage to my system? I didn't have any ...
3
votes
3answers
131 views

What graphical utility can I use for Ubuntu auto shutdown?

In Microsoft Windows I use switch off software for auto shutdown, Hibernate, restart etc. Can I find something similar in Ubuntu? I read following link. How can I automatically shutdown the system ...
3
votes
2answers
460 views

Causes of and how to minimize damage from forced shut downs?

Backstory: Since running 12.04 LTS, my computer has experienced two sudden losses of power; one due to my ham-fisted attempt to reboot and one due to a battery-less power cable disconnection. Both ...
3
votes
2answers
12k views

Remote reboot over ssh does not restart [duplicate]

I would like to remotely reboot my Ubuntu 12.04 LTS server via ssh. I do sudo reboot and I loose connection and the server connection does not reappear. It does not ping. When I go the the physical ...
3
votes
2answers
4k views

Ubuntu 12.04 sometimes doesn't halt completely

I am using an Dell Latitude D830 with Ubuntu 12.04. Now, when I turn off the pc, Ubuntu doesn't halt completely sometimes. I think that is due to the latest Nvidia drivers, because in the past with ...
3
votes
1answer
2k views

What commands show pending/scheduled tasks in Terminal?

What commands can I use in Terminal to see pending or scheduled tasks for today or tomorrow. For example how can I detect pending system shutdown?
3
votes
1answer
4k views

Keyboard shortcut to shutdown?

I came across Why do we need to be root in terminal for shutdown and restart? and the accepted answer has an explanation indicating that clicking on "Shutdown" in Ubuntu's dropdown menu triggers this ...
3
votes
1answer
322 views

Gracefully close appications on shutdown

How to automatically close an application on shutdown (graceful close, not kill)? I try to call wmctrl -c "App" in powerbtn.sh, but it does not work. The same wmctrl command works perfectly when ...
3
votes
1answer
139 views

Which command is issued when I choose “Shutdown…”?

I have noticed that some of my machines do not switch off (since the upgrade to Precise) when I choose "Shutdown..." from the menu in the upper right corner of Unity. If the system is powered down or ...
3
votes
3answers
2k views

Can a Windows 8 partition be mounted in Ubuntu if “fast startup”is switched on?

I'm aware that when a Windows session is hibernated, its disk partition cannot be mounted in Ubuntu. By default in Windows 8, a hybrid shutdown/hibernate feature is used (fast startup) which ...