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OS: Lubuntu 14.04
Package: Xfce Power Manager
Package Settings:
- On AC > Actions > Put the computer to sleep when inactive for: 15 Minutes
- Extended > Set computer inactivity sleep mode: Hibernate
Intent: hibernate computer after 15 minutes of inactivity
Error message: not authorized
Error time: at hibernation

4 Answers4

7

Follow the instructions for Ubuntu: How do I hibernate my computer?

That is, test first, then create a file /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla with the following content:

[Re-enable hibernate by default in upower]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes

[Re-enable hibernate by default in logind]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate
ResultActive=yes

Note that in order to create this file you need root permissions. So, for instance, use sudo nano /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla

xebeche
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  • Sorry to hear that. However, this is a different problem with hibernation. See [DebuggingKernelHibernate](https://wiki.ubuntu.com/DebuggingKernelHibernate) for how to debug this. Also, have a look whether others have had the same problem (and perhaps) already fixed for the device you are using. Eventually, you might want to report a bug against the kernel you are using. You might also want to check out [TuxOnIce](http://tuxonice.nigelcunningham.com.au/) – xebeche May 27 '14 at 09:52
  • For anyone else who comes across this: This worked for me on Xubuntu 20.04 to get the Hibernate buttons to show up in the shutdown dialog, *but* I had to append `resume=UUID=swap-uuid-from-fstab` to `GRUB_CMDLINE_LINUX_DEFAULT` in `/etc/default.grub` (and run `sudo update-grub`) for it to actually resume from hibernation successfully. – pizzapants184 Aug 01 '20 at 04:03
1

I had the same problem under xubuntu and it was due to light-locker which I believe is in use also under lubuntu. Reinstalling light locker fixed the problem permanently for me:

sudo aptitude purge light-locker light-locker-settings
sudo aptitude install light-locker light-locker-settings

I believe that removing and then re-installing fixed a policy problem somewhere.

Parto
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sudocrem
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0

For Lubuntu 14.04.1 I find /var/lib/polkit-1/localauthority/10-vendor.d/com.ubuntu.desktop.pkla where was 

[Disable hibernate by default in upower]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=no

[Disable hibernate by default in logind]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate
ResultActive=no

Change ResultActive to yes for both blocks. If you don't find com.ubuntu.desktop.pkla - try to search any *.pkla file in /var/lib/polkit-1/localauthority folder for some same strings

Sorcerer
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  • @xebeche's answer above is better, as any changes under /var/lib/polkit-1 will be overwritten whenever the policykit-desktop-privileges package is upgraded. – Erik Forsberg Jan 05 '15 at 16:55
0

This is an old question, but just to point out something important, be careful when reinstalling light-locker and light-locker-settings because this action also removes lubuntu-desktop* which could be troublesome.

I would explore the polkit options first. Just chiming in.

P Smith
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