Hibernating enables faster bootup times coupled with the power savings of a complete power-off. However, many computers do not support Linux hibernation and so it is not enabled by default in Ubuntu 12.04 and 12.10.

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267
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7answers
207k views

How to enable hibernation?

In Ubuntu 12.04 and newer, hibernation has been disabled by default in policykit. How can I enable this back?
106
votes
8answers
90k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
33
votes
9answers
56k views

Unable to mount Windows (NTFS) filesystem due to hibernation

Whenever I boot Ubuntu, I get a message that it cannot mount my windows partition, and I can choose to either wait, skip or manually mount. When I try to enter my Windows partition through Nautilus I ...
30
votes
2answers
12k views

What is the difference between Hibernate and Suspend

Logout, Restart and Shutdown are all self explanatory to me. What are the differences between Suspend and Hibernate on the shutdown menu?
27
votes
3answers
15k views

Hibernation is still missing from menu in 13.10 after enabling via polkit. How to enable?

I know that since 12.04, we need to add a policykit rule to enable hibernation (see question How to enable hibernation? and the Official Documentation). I can successfully bring my laptop into ...
24
votes
2answers
23k views

Automatically sleep and wake-up at specific times

How can I hibernate or sleep my Ubuntu 10.10 desktop and have it "wake up" the next day? I have seen software that can do this on windows, so it can't be hard on Ubuntu!
22
votes
5answers
7k views

How to go automatically from Suspend into Hibernate?

Is it possible to make Ubuntu go into Hibernate state from Suspend, aka "Suspend Sedation"? For example, my laptop is set up to go into a Suspend once I close the lid. If then I don't use it for ...
21
votes
6answers
30k views

Hibernate missing from power menu and when I press laptop power button

When I upgraded from 11.10 to 12.04 my Ubuntu power menu has lost the ability to hibernate. Is there a way to add that back in, or is this default for 12.04?
18
votes
9answers
4k views

Pros and cons of hibernating

I've recently started to systematically hibernate my laptop instead of shutting it down. The main reason I chose to do this is that I use one of my workspace as a highly customized dashboard. It's a ...
16
votes
2answers
9k views

How can I hibernate/suspend from the command line and do so at a specific time and a relative time?

Ok,I managed to find out how to suspend/hibernate the system from the command line by reading How can I suspend/hibernate from command line?. However, I would like to know how to use the command line ...
14
votes
3answers
2k views

Whither hybrid suspend?

So what ever happened to hybrid suspend, where it would suspend to both RAM and disk? It was kind of hot a few years ago, but it seems it was dropped. Is there any way to set this up in recent Ubuntu ...
13
votes
1answer
2k views

Hibernation causes crashing on an Acer Aspire [closed]

Hibernation worked perfectly fine in 11.04. Ever since I upgraded to 11.10, my laptop (Acer Aspire) keeps crashing when it's hibernating. I have no clue why. Any ideas? At first it seemed to only ...
13
votes
2answers
2k views

Graphics trouble after resuming from hibernate or suspend

I have a Dell Inspiron 2650 (with NVidia graphics, using nouveau drivers) that I'm using to try out Ubuntu. It's all great, except that Hibernate and Suspend aren't usable. Yes, I know that questions ...
12
votes
3answers
3k views

Does 12.04 support hibernating to a swap file?

I'm about to reinstall Ubuntu on a netbook with a tiny disk. Because of the tiny disk size, I'd strongly prefer to have a swap file than a swap partition. However, I want to be able to hibernate. I ...
9
votes
3answers
4k views

How do I schedule waking up from hibernation?

Is it possible to wake up Ubuntu from hibernation at a predefined time? It should not be WOL, but rather Ubuntu waking itself up. For example, it should do what the app WakeupOnStandBy does on MS ...
9
votes
2answers
3k views

How can I disable Hibernate completely in Kubuntu?

I have seen the answer on How to disable hibernating?, but I have no such file. Possibly because that suggestion was written for Ubuntu, not Kubuntu (KDE, not Gnome). I do not have a swap on my ...
9
votes
2answers
98 views

Is it possible to hibernate Ubuntu and run secondary OS?

Is it possible to: hibernate Ubuntu, run secondary OS (say Windows 7), shut down secondary OS, resume hibernated Ubuntu, or not? Ubuntu should (AFAIK) hibernate to SWAP partition, which is not ...
8
votes
4answers
5k views

Wake from hibernate on ssh request

Is there a feature (or aptitude package) in Ubuntu 10.04 that will wake my computer up from standby when it gets an ssh (or other webrequest). I've been trying to put my computer in hibernate/standby ...
7
votes
7answers
28k views

How to prevent computer from automatically sleeping and/or hibernating?

I'm running Ubuntu 12.04, and my laptop* won't wake from sleep/suspend/hibernate. (Is sleep the same thing as suspend?) I'm not even sure which of these things it's doing. When I am done working for ...
7
votes
4answers
5k views

How can I make the fan in my computer turn off when it's suspended? [closed]

When my computer is suspended, the GPU, CPU and power supply fans all continue to run. I don't think I've ever been able to get them to turn off, short of hibernating or turning the computer off. I ...
7
votes
1answer
2k views

No permission to suspend/hibernate after upgrading to 12.10

After upgrading to Ubuntu 12.10, when I click on suspend/hibernate in the menu, nothing happens. When I run pm-hibernate or pm-suspend in the terminal, I was told that i need to be root to use them. ...
6
votes
7answers
14k views

How can I hibernate from GNOME Shell?

GNOME Shell doesn't have an option to hibernate in the session menu. I checked the GNOME Shell Cheat Sheet but hibernate is not mentioned there. How can I hibernate my machine from within a GNOME ...
6
votes
3answers
6k views

Problem with Hibernation

I just upgraded my Ubuntu 11.10 to 12.04. I have problem with Hibernation in my new 12.04. I run the following command, sudo pm-hibernate but my system does not Hibernate, i.e. my system does not ...
6
votes
2answers
4k views

Hibernate to a swap file

I have configured a new Ubuntu 10.10 installation in a Notebook to use a swap file, instead of using a swap partition. For default is not possible to get Ubuntu to hibernate using a swap file, so i ...
6
votes
1answer
2k views

How large of a swap partition is needed to hibernate?

I've read this question, but it doesn't definitively answer my question. If I want my computer to be able to hibernate, do I need to have a swap partition as large as my RAM, or will Ubuntu wisely be ...
6
votes
4answers
1k views

Ubuntu freezes booting up after hibernation

I have a Lenovo Thinkpad Edge 13 (Intel model) I've gotten everything to work under Ubuntu except for hibernation. The system hibernates normally but when Ubuntu tries to boot from the hibernation ...
6
votes
3answers
1k views

Hibernate and Suspend do not exist anymore, help

When I close the lid of my laptop and open it after some time I am greeted with a message "Failed to suspend". When I tried to manually suspend/hibernate, I saw these options are not available there ...
5
votes
2answers
2k views

Does hibernate work with an encrypted home dir in maverick?

My machine no longer resumes properly after hibernation. However, it used to until recently. When trying to figure this out, I've seen lots of people say that hibernate doesn't work with encrypted ...
5
votes
3answers
2k views

How do I set up an mp3 alarm clock?

I want to switch from Windows XP to Ubuntu and there is one thing that I'm heavily using in XP—an MP3 alarm clock. In the evening I turn the PC to hibernated mode. In the morning it wakes up ...
5
votes
3answers
760 views

Where do I even start if hibernate / un-hibernate is slow?

I've been using Ubuntu for about 8 months now, and the time it takes to un-hibernate seems to vary by minutes sometimes. I haven't been able to see a correlation between what's open when it's ...
5
votes
1answer
2k views

How do I enable hibernation on Wubi?

I installed Ubuntu on my Windows 7 Sager laptop using Wubi. Hibernate (i.e. suspend to disc) is not an option from the power icon, only suspend, shutdown, etc. Hibernate is also not an option from my ...
5
votes
4answers
343 views

Hibernate missing in login screen

I followed these instructions to re-enable hibernation. It works, but the hibernate button is still missing in the login screen. Is it possible to add it there, and how? Thank you!
5
votes
1answer
805 views

Prevent temporally suspend/hibernate from script?

Is there any way to prevent temporally suspend/hibernate from a script? I want the screen to enter in powersave mode when appropriate, but the computer doesn't stop. Caffeine doesn't allow this: it ...
5
votes
3answers
2k views

How to make hibernate/sleep work on laptops where default setup isn't working?

I have an Asus r1f laptop. For some reason, hibernate/sleep isn't working properly at all. Are there any other packages I can use or tweaks I can implement to get this working? I've googled around ...
5
votes
2answers
903 views

Hibernation failed due to insufficient Swap partition [duplicate]

Possible Duplicate: Adding swap partition after system installation I got 8GB RAM on my laptop but only partitioned 1GB for swap, now the hibernation cannot be achieved even if I use sudo ...
5
votes
1answer
1k views

How to disable hibernating?

Whereas many questions are geared towards implementing hibernation, mine is how to disable it. I've just encrypted my swap partition, and I such my system can still hibernate, but cannot resume ...
5
votes
1answer
984 views

Use swap for hibernating only

I have Ubuntu 12.10 installed on an SSD with the swap partition on the same disk. Now I want to use the swap partition only for hibernating (not for swapping memory) because the SSD don't like the ...
5
votes
4answers
953 views

Got back Hibernation option, but cannot resume from Hibernate

In my Ubuntu 12.04, the hibernation option was working well and fine. However, I installed Debian on another partition recently and when I again tried to boot to Ubuntu, I got a message on the boot ...
5
votes
2answers
464 views

Swap partition is not recognized

I think this problem might be related to this one: Failing to recover from hibernate Basically, as soon as ive installed ubuntu, using the automatic partitioning, if i run gparted and look at my ...
5
votes
1answer
464 views

Synaptics touchpad stops working after hibernating a Dell XPS 16

I am currently experimenting with using Ubuntu as a my main OS instead of Windows 7. So far, pretty much everything is working fine, except for an issue that I am having with my touchpad. I have a ...
5
votes
3answers
2k views

How to fix hibernate / suspend with proprietary nVidia driver?

I've just got an Dell Precision M6500 that comes with an nVidia card. Together with Kubunutu 10.10 and the proprietary nvidia driver suspend to disk or RAM does not work. It's allways ending with a ...
5
votes
0answers
282 views

System is slow after resuming from hibernate

I installed Ubuntu 12.10 64-bit and when the system wakes up after an hibernate, the mouse is extremely slow, the keyboard doesn't seem to work and I'm forced to reboot my computer. Does somebody ...
4
votes
3answers
945 views

Ubuntu needs Swap, Why not Windows?

Ive learned that one should allot a swap space inorder to have Hibernate option in Ubuntu, Why isnt it same with Windows? My Win 7 doesnt have any Swap space but still hibernates without a glitch.
4
votes
1answer
420 views

I have enabled hibernate but it isn't working. What can I do?

I enabled Hibernate in 12.04 following the procedure given in this question : How to enable hibernation in 12.04? But, Even after I enabled it, The hibernate isn't working. By not working, I mean the ...
4
votes
2answers
2k views

Modify actions when battery is critically low?

I am running Ubuntu (not Xubuntu) and am using Xfce4 on my laptop. When my laptop battery is critically low, Ubuntu/Xfce4 performs some action (perhaps hibernate?) which causes my laptop to shut down. ...
4
votes
2answers
3k views

When Shutting down or hibernating it just goes to the login screen [duplicate]

Possible Duplicate: I can’t shut down nor reboot without console Title says all. When I choose shut down or hibernate if my computer has been on a while, it just goes to the log-in screen. ...
4
votes
3answers
1k views

Not able to suspend or hibernate

My Ubuntu 10.10 on my laptop Lenovo T400 is not able to suspend or hibernate. Whenever I click Suspend or Hibernate, the moon LED on the bottom of the lid flashes a few seconds, the screen ...
4
votes
3answers
12k views

How to enable hibernate on Ubuntu 13.10? [duplicate]

Something I usually do after installing Ubuntu is reactivate the hibernation function. I find it quite useful to function for the more energy concious. Typically, I'd complete the instructions in ...
4
votes
1answer
2k views

Swap encryption and hibernating

I run Ubuntu 12.04 on my laptop, with an encrypted home folder + swap partition. Before I had this encrypted setup, I used to have my hibernation enabled. I found this documentation on how to enable ...
4
votes
4answers
1k views

How do I lock the screen after resuming from hibernation?

I've been able to successfully hibernate and resume my Ubuntu 12.04 Desktop PC using procedure that I've documented in this answer. However, I now have a problem that whenever the PC resumes, it does ...