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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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How to disable S0ix and enable S3 Sleep on Ubuntu 22.04 on Dell Latitude 3410 (lemmy.my.id)

submitted 10 months ago by garam@lemmy.my.id to c/linux@lemmy.ml

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Hello. I just want to ask, I already tried search many resources, but I still can't find a way to reduce battery drain while sleep on Ubuntu on Dell laptop.

I seen that it use S0ix, the new standard that many manufacturer use but when sleep it drains a lot battery, in just 6 hours the battery gone 0.

Any help is appreciated. This is company laptop and it requires me use ubuntu (I don't like it but I don't have options to changes OS/distro).

Thanks

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[–] d3Xt3r@lemmy.nz 2 points 10 months ago* (last edited 10 months ago) (2 children)

Why not just set your laptop to automatically hibernate after it's been in a suspended state for x seconds? That way your system will fully power off after it's been suspended for a while, which would save even more battery compared to S3. With the speed of NVMe drives, resuming from hibernation only takes a couple of seconds on most modern systems.

[–] garam@lemmy.my.id 1 points 10 months ago (1 children)

I'm not familiar with gnome, is there any option on gnome for it? I never seen it.

[–] d3Xt3r@lemmy.nz 1 points 10 months ago

https://lemmy.nz/comment/3039271

[–] ReversalHatchery@beehaw.org 1 points 10 months ago (2 children)

How do you set that up? Please don't say it's a BIOS setting.

[–] d3Xt3r@lemmy.nz 4 points 10 months ago* (last edited 10 months ago)

Nah, it's a systemd setting. You need to edit /etc/systemd/logind.conf and change HandleLidSwitch= to HandleLidSwitch=suspend-then-hibernate, and the create or edit /etc/systemd/sleep.conf to change the timeout value:

[Sleep]
HibernateDelaySec=900

With the above, the system will automatically hibernate after 15 minutes of sleep.

Note that if you're using a full-fledged DE or a third-party power profile manager, you may need to disable any lid-close actions in there (if it doesn't have the suspend-then-hibernate option) so that systemd can handle it properly.