Uswsusp swap file

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Last Update: November 17, It may fail. To put your system into hibernation a. After that, execute systemctl hibernate to put your system into hibernation. Make similar changes to systemd-hybrid-sleep. If s2ram does not match your machine to an entry in its whitelist, it will output some general purpose identification strings for your machine the same as those provided s2ram -i. In this case, you may try to force s2ram to suspend your machine by using s2ram -f.

If s2ram -f does not work, try the different workarounds offered by s2ram. Run s2ram -h to get a list of the possible options:. Note that mixing the -a options and vbetool 's options -p , -m , -s is normally only a measure of last resort, it usually does not make much sense. If you find several combinations that work e. There is a trick which does not correspond to a command-line option, because it requires additional operations from you.

It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I have configured a new Ubuntu installation in a Notebook to use a swap file, instead of using a swap partition. By default is not possible to get Ubuntu to hibernate using a swap file, so I tried this tutorial , but it is specific to grub1 , and Ubuntu now uses grub2.

You must be able to execute sudo s2both , sudo s2ram and sudo systemctl hibernate without having to enter your password for the previous scripts to work. Although it is possible to hibernate to swap file and it supposedly works with systemd hibernate by setting kernel parameters. However, I couldn't get it to resume so instead switched to using uswsusp userspace software suspend. Here are the steps I used on Ubuntu By default systemd will use it's own hibernate commands so replace them with the uswusp commands by overriding the systemd-hibernate.

In the text editor that opens put the following text the blank ExecStart is required. Then save and exit:. Note: To check that the systemd override. I've given a quick read to the tutorial and, if I have understood correctly, you just need to specify the resume options to the Linux command line. With Grub2 is really simple, and your changes will be always preserved.

About the problem you're having: is the partition of the swapfile encrypted? If so, hibernation won't work. I'd spent hours to get my KDE neon with hibernation option on shutdown menu, and since I'd solved, I've decided to share it here. Ubuntu Community Ask! Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. Hibernate and resume from a swap file Ask Question. Asked 11 years, 3 months ago. Active 7 months ago. Viewed 53k times. Does anybody know how to do this? Improve this question. IDK what's up with systemd, looking at the code it should support swapfile natively.