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Questions tagged [shutdown]

For questions regarding shutting down and powering off.

2414 questions
59
votes
2 answers

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 a hard time understanding the difference between shutdown -h now and poweroff -h now My logic tells me it's the same thing... But with the shutdown, Linux…
user25389
37
votes
9 answers

How do I shut down without the confirmation prompt?

Are you sure you want to close all programs and shut down the computer? When I click shut down I want to shut down! :) This message bugs me. How to avoid this message?
vrcmr
  • 6,307
24
votes
3 answers

How to troubleshoot slow shutdown?

When I shutdown my computer there is some annoying delay, it takes about 5-10 seconds in 13.10 when in the previous version it was almost instantaneous. During shutdown I press escape to cancel the splash screen and can see that a big part of the…
wim
  • 12,738
23
votes
5 answers

Does Hard reboot damage my Ubuntu

Some times my laptop gets stuck due to excessive usage of RAM when I open bulky applications. So if it does not respond I shut down the laptop using the power button. Does this damage Ubuntu in any way? Can it give rise to security problems or…
M.Tarun
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21
votes
3 answers

Ubuntu is not sending SIGTERM on shutdown

I am beginning to suspect that Ubuntu is not telling the running applications that it is shutting down to let them quit correctly but instead forces them to quit. If I leave chrome open when shutting down it says that it did not close correctly last…
GKraft
  • 279
20
votes
2 answers

Will it create any critical problems if one always uses ''shutdown -h now"?

According to this post menu shutdown asks each application to save their work prior to shutting down. Will something more serious happen if one always uses sudo shutdown -h now to turn off the machine? It works so fast, I am getting hang of it.
user13107
  • 778
19
votes
3 answers

Why can't I restart/shutdown?

When I shutdown/restart get a black (shell-like) full-screen with some large text saying stuff like: ubuntu 10.10 [129.171175] Restarting system. eco nds ... [OK] ... Unmounting weak filesystems ... [OK] will now restart Then nothing happens and I…
David B
  • 11,072
18
votes
2 answers

Difference between shutdown options

I'd like to know what the difference is between shutdown -H (halt the machine) and shutdown -P (poweroff the machine). I understand what poweroff means; it's rather self-explanatory. But what exactly is "halt"? Background: I need to turn off my PC…
Rosika
  • 575
17
votes
4 answers

How to disable shutdown/reboot/suspend/hibernate?

I have an Ubuntu 10.04 LTS Desktop PC with GNOME. How can I fully disable the reboot/shutdown/suspend/hibernate functions in GNOME or even with root? So that the root gives out the "reboot" or "pm-suspend" command it doesn't do anything, and the…
LanceBaynes
  • 1,055
15
votes
10 answers

Ubuntu 14.04 stuck on shutdown

When I try to shut down my computer, it hangs at the shutdown screen and these are the only lines I can see: wait-for-state stop/waiting Stoping GNUstep distributed object mapper: gdomap. * Stopping rsync daemon rsync [ OK ] * Stopping Speech…
user313246
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13
votes
11 answers

system does not power off on "poweroff", just halts

I've installed Xubuntu 15.04 on a Lenovo IdeaCentre A740 QHD with a Haswell CPU (BIOS revision 00KT19AUS) and NVIDIA GeForce GTX 850A 2GB. It's mostly working, except when I do a shutdown or reboot, it doesn't actually turn off the power after…
unhammer
  • 2,271
12
votes
2 answers

How can I modify the power button behaviour?

I want the PC to shut down without any dialogue, but let time for the applications to close properly. One solution is, to change powerbtn.sh to: shutdown -h now but that does not wait for all applications to close.
András Kovács
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10
votes
3 answers

How to find out which "Unknown" program is still running and preventing shutdown?

I get the window below occasionally on shutdown. Is there any way to find out what the "Unknown" program is? Perhaps find the path of the executable?
8128
  • 28,740
9
votes
1 answer

how to abort shutdown command in ubuntu?

If I give this command for shutting down the system: $ sudo shutdown -h 10:20 "going down" how can I abort it?
NKN
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7
votes
7 answers

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 at the Logo screen with dots. And none of the…
Ganesh.C
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