For questions regarding shutting down and powering off.

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2
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2answers
2k views

Ubuntu 13.04 doesn't show confirmation dialog for shutdown

After I updated to 13.04, Ubuntu immediately shuts down without confirmation when I press the power button. Also, it doesn't ask for confirmation if I select an otion from the top-right gear menu. I ...
13
votes
5answers
28k views

How to safely shutdown Guest OS in VirtualBox using command line

I have Ubuntu 10.10 and using VirtualBox 3.2. As a Guest OS I have another Ubuntu in the VirtualBox. I am starting Guest Ubuntu automatically using following command once my Host Ubuntu boots: ...
7
votes
1answer
13k views

What is the difference between shutdown and poweroff commands?

I've a home server I'm playing around with :) I want to learn server administration... I have hard time understanding difference between shutdown -h now and poweroff -h now My logic tells me it's the ...
7
votes
3answers
2k views

Mounted NFS shares interrupting shutdown?

I use NFS to share media to all my files on my network. However in 10.10 when the share is mounted my machines cannot shutdown, they seem to sit there. When I don't mount the NFS shares the machines ...
6
votes
3answers
4k views

Best way to make a shutdown hook?

Since Ubuntu relies on upstart for some time now, I would like to use an upstart job to gracefully shutdown certain applications on system shutdown or reboot. It is essential that the system's ...
4
votes
2answers
208 views

Ubuntu 12.04 stuck at “reboot: Restarting System”

I know this has been asked multiple times before, but most of these threads don't have an answer. I tried user62664's solution here and ran sudo update-grub successfully, but nothing changed. This ...
4
votes
3answers
1k 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
1answer
3k views

How do I diagnose Hang on Shutdown?

Since one or two months ago, my laptop with ubuntu 12.10x64 hangs during shutdown. There's just a black screen, no harddisk activity, it justs sits there. I feel it happens near the end of a normal ...
4
votes
2answers
2k 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
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
1answer
845 views

Ubuntu 13.10 with Cinnamon Desktop Environment

I did a fresh install of Ubuntu 13.10 and added the Cinnamon Desktop Environment and I noticed that the restart and shutdown buttons are MISSING! Only Suspend and Cancel are there. In Ubuntu 13.04 ...
3
votes
3answers
3k views

Ubuntu 12.10 64b does not shutdown

I am a new linux user so i am not familiar with what actually is needed to check. When shutting down or trying to restart i get a screen with yellow letters and the system does not close or restart. ...
3
votes
1answer
372 views

Ubuntu 12.04 shutdown does not finish

When i shutdown my ubuntu 12,04 appears the "shutdown screen" and it never finish, keep shutting down... i use "tab key" to see the log and the last line says "Stopping Puppet Agent"... and it never ...
3
votes
2answers
1k views

Laptop power button not working

I have a (seemingly rather exotic) Dell Latitude XT2 notebook running Lubuntu 12.04, fresh install. Tried to get the power button to work as expected (opening the logout dialog lubuntu-logout), but no ...
3
votes
4answers
3k views

Cannot shutdown my Sony Vaio

I did a fresh install of Ubuntu 12.04 (dual boot with Windows 7) on my sony Vaio. After the fresh install everything was working fine. then I was informed that new driver were available for my ATI ...
3
votes
1answer
2k views

Dell Laptop won't shutdown / restart by itself

I recently upgraded to ubuntu 11.10 64-bit on my Dell Studio 1569. Before this I ran ubuntu 11.04 64-bit. Every time I shutdown, or restart it goes through the usual processes, and shows no error ( ...
2
votes
0answers
29 views

Stop job before it's dependencies

I have a job that does some things and uses other locally installed services (such as the mail server). Sometimes I do an ACPI shutdown but I need this service to complete the ongoing operation ...
2
votes
2answers
2k views

Lubuntu - power button doesn't turn off computer,

I am using Lubuntu 13.04 and would like to have the power button cause the computer to shut down. Currently it only brings up the power preferences menu (logout, reboot, hibernate, etc...). In ...
2
votes
2answers
2k views

Cannot shutdown, computer freezes [duplicate]

I've installed Ubuntu 12.04 (near windows 7) on my laptop(Dell studio xps 1640 with Ati Radeon HD 3670) and everything is working fine, but when I want to shutdown my computer it freezes! I don't ...
2
votes
3answers
5k views

Ubuntu 12.04 does a restart instead of a shutdown

I recently upgraded from Ubuntu 11.10 to 12.04 on my Dell Latitude D630C. Now, when I want to shut down the system does shut down but then starts up again immediately. It's like it does a reboot ...
2
votes
3answers
2k views

Computer shuts down when unplugged

I have an MSI Wind U100 netbook (they call it a notebook). Every time I unplug the AC adapter the machine shuts down as if the battery is dead. I get a notification that says "battery is critical and ...
2
votes
4answers
2k views

How to run a command before the machine automatically shutdowns?

How to run a command before the machine automatically shutdowns?
2
votes
1answer
566 views

How do I turn on 'shutdown logging' or operating system tracing?

I have a simple question: how do I turn on logging of the shutdown sequence and X-server, which both keep failing; shutdown that doesn't shut it down, XServer that crashes. I would like to create the ...
2
votes
1answer
760 views

Shutdown fails after upgrading from lucid to maverick?

It didn't happen in my computer, but in my girlfriend's pc. She upgraded to maverick and now it doesn't shutdown properly, the screen just freezes and she has to shutdown pressing and holding the ...
1
vote
2answers
506 views

Cannot shut down from KDE workspace after upgrade to Saucy

Adding to my sequel of things broken after the upgrade: NetworkManager broken after upgrade to Kubuntu Saucy User cannot mount disks after upgrade to Saucy When I select shutdown from the KDE ...
1
vote
1answer
2k views

My power button doesn't work under LXDE. How can I fix this?

Ever since I switched to LXDE my power button won't work anymore. I would love to be able to display a fancy logout menu like the one in Unity and similar DEs. How can I achieve this?
1
vote
2answers
4k views

Ubuntu 13.04 won't shutdown or restart (Just a black screen)

I have looked all over the Internet trying to find a fix, but I can't seem to find one. I have a custom built PC running an AMD processor, Nvidia graphics, 16GB of ram and a 1TB HDD for Ubuntu. I am ...
1
vote
1answer
223 views

Computer refuses to shutdown once after using WOL

I just got Wake on Lan working but I have a problem: If I wake on lan and try to shutdown or suspend it just starts up again. This only happens once after using WOL and then it successfully shuts down ...
1
vote
2answers
503 views

How can I shutdown the computer when a certain process ends?

I often run long calculations on my computer and I would like to shut it down when this are terminated. Is there some option to shutdown the computer when a specific process termanates? Thanks for ...
0
votes
1answer
2k views

14.04 freezes on start and stalls on restart/power down [duplicate]

About 2 out of 3 times I power on my computer, Ubuntu 14.04 freezes when loading some stage of the login (lightDM) screen. I have to manually power off my computer. Also, when I go to restart or ...
7
votes
2answers
1k views

Why does Plymouth boot in fallback text mode?

When starting my system, Plymouth doesn't show graphics but uses the fallback text mode. However, it runs normally (that is, with graphics) on shutdown. Why is that?
5
votes
6answers
12k views

Ubuntu 12.04 does not Shut Down at all and gets Stuck on 3 or 4 dots

Ubuntu 12.04 does not Shut Down at all and gets Stuck on 3 or 4 dots. I am using a PC with Pentium 4 processor, 1.9GHz, 1GB RAM. I tried using the command sudo shutdown now, but it gets stuck again ...
5
votes
1answer
837 views

Long shutdown time with 11.10 [duplicate]

Possible Duplicate: Shutdown taking a lot of time I'm not sure if I'm the only one experiencing this, but I haven't been able to google anything. No matter what hardware I'm installing ...
4
votes
1answer
3k views

Ubuntu won't shutdown (stuck on “Stopping VirtualBox kernel modules”)

When try to shutdown the computer it stays on a "Stopping VirtualBox kernel modules" message. It looks like it has to do something with VirtualBox, but happens even if I didn't use VirtualBox at all. ...
4
votes
2answers
996 views

Ubuntu hangs at Plymouth screen during shutdown

Sometimes(rather many times), when I shutdown using the menu option >> Shutdown, the system hangs at a Purple screen with dots. I have waited for 10 mins, but then it becomes clear that i need to do 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 ...
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 ...
3
votes
1answer
520 views

Why is network-manager adding 10 more seconds to shutdown time?

Without network-manager installed, my system shuts down in 2 or 3 seconds. Why does it take almost 15 seconds (which is a 5-time increase) with network-manager installed and can't this time be ...
2
votes
1answer
146 views

shut down without extra question [duplicate]

When I select shutdown in the top right corner, I get an extra question in a new window in the middle of the screen with a big button to shut down. How can I directly shut down Ubuntu 13.10, without ...
2
votes
2answers
174 views

Least bad way to shutdown quickly

Sometimes I would like to shut down in a hurry. By hurry I mean 5 to 10 seconds. Assume I can run any script with root privileges in tty which I've prepared beforehand, and after 5 or 10 seconds the ...
2
votes
2answers
2k views

Disabling Control-Alt-Delete shutdown is not working

I'm running Ubuntu 10.04 in a Virtual Machine on a Windows 7 computer. If I press Ctrl-Alt-Delete when the Ubuntu VM is in focus, the Ubuntu system sees it and shuts down after 60 seconds. This does ...
2
votes
3answers
608 views

I can't get suspend, hibernate and shutdown to work in Ubuntu 12.04

I recently built a computer with these specs: Asus Motherboard, Intel i3 3.3 GHz dual processor, 8 GB of RAM. I installed 12.04 on a brand new hard drive. I partitioned the hard drive between root, ...
2
votes
1answer
2k views

Shutdown issues on my Dell XPS M1530 [closed]

On my Dell XPS M1530 lapttop, I am facing issues with shut-down option after upgrading to 12.04 LTS from 11.10. Sometimes it shutdowns "cleanly". But other times everything goes down but I can still ...
2
votes
1answer
554 views

64 bit on Dell Precision M6600 hangs on reboot and shut down

I am new to Ubuntu and I discovered that I can't shut down (then black screen with some lines of text shows) and reboot (then the purple screen with dots appear). I need to hold the power button in ...
2
votes
2answers
1k views

How to create a timed shutdown, based on idle state? [duplicate]

Possible Duplicate: How can I shutdown my PC when the system is idle? In Ubuntu 11.10, when I go to System Settings > Power, I get the option to suspend my machine after it's been idle for ...
2
votes
2answers
2k views

shutdown logging in ubuntu 10.04 & 11.10

When my system starts up it logs everything into syslog/dmesg. And I can review it for problems. When my system shuts down, where does that get logged? I didn't see anything obvious in /var/log in ...
2
votes
3answers
5k views

How can I add the 'shutdown' and 'restart' buttons in favorites in Gnome Shell?

I recently switched from Unity (Ubuntu 11.10) to the Gnome Shell. It took some tweaking to have it all to my liking, but one thing keeps bothering me: I cannot find the 'shutdown' and 'restart' ...
2
votes
1answer
766 views

How to run script at shutdown? [duplicate]

How can I make a bash script run only at shutdown? I have searched for it and keep coming up empty handed. I would be fine with either a link or an explanation to how to do it.
2
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 ...
1
vote
1answer
89 views

Screen shows a weird rectangle

I have got one little problem. Why is my netbook showing ugly rectangles: