It would be better if the title was: “How to disable suspend and hibernate using Systemd on Linux”. It’s too bad the misleading headline pulled you in and annoyed you. I totally agree with you that Systemd, while frequently used with Linux, is not the same thing as Linux. In my case unfortunately updating /etc/systemd/nf & reboot does not help. With some more searching I found this page: Jan 1 14:45:43 X201 systemd-logind: Lid opened. Jan 1 14:45:43 X201 systemd-logind: Failed to execute suspend operation: Permission denied Jan 1 14:45:43 X201 systemd-logind: Unit suspend.target is masked, refusing operation.
Jan 1 14:45:43 X201 systemd-logind: Suspending. Jan 1 13:38:53 X201 systemd-logind: Failed to execute suspend operation: Permission denied Jan 1 13:38:53 X201 systemd-logind: Unit suspend.target is masked, refusing operation. Jan 1 13:38:53 X201 systemd-logind: Suspending.
Mark 1117 0.0 0.0 9032 736 pts/0 S+ 14:44 0:00 grep -color=auto systemd-logindĬhecking /var/log/auth.log shows it starts being filled up with this when I close the lid, and until opening again: Jan 1 13:38:53 X201 systemd-logind: Lid closed. When I open the lid it slowly decreases I close the lid, and up goes the CPU load again: Last login: Fri Jan 1 14:12:51 2021 from 192.168.1.110 However, with a side effect: the process /lib/systemd/systemd-logind starts eating up most of the CPU power, going up to 80% and remaining there. The command sudo systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target, and editing the file edit the /etc/systemd/nf file, solves the issue indeed. Whenever I closed the lid it went to sleep (or hibernation?). Great tutorial, thanks! The other day I installed a music server on an old notebook running Ubuntu Server 20.04.1. It’s our hope that you found this guide beneficial.
#Hybrid sleep vs hibernate how to#
This wraps our article on how to disable Suspend and hibernation modes on your Linux system. Be sure to reboot in order for the changes to take effect. $ sudo vim /etc/systemd/nfĪppend the following lines to the file. To prevent the system from going into suspend state upon closing the lid, edit the /etc/systemd/nf file. To verify this, run the command $ sudo systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target Removed /etc/systemd/system/hybrid-sleep.target.
Removed /etc/systemd/system/hibernate.target. Removed /etc/systemd/system/suspend.target. Removed /etc/systemd/system/sleep.target. To re-enable the suspend and hibernation modes, run the command: $ sudo systemctl unmask sleep.target suspend.target hibernate.target hybrid-sleep.target Verify if the changes have been effected using the command: $ sudo systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.targetįrom the output, we can see that all four states have been disabled. You get the output shown below: hybrid-sleep.targetĬreated symlink /etc/systemd/system/sleep.target → /dev/null.Ĭreated symlink /etc/systemd/system/suspend.target → /dev/null.Ĭreated symlink /etc/systemd/system/hibernate.target → /dev/null.Ĭreated symlink /etc/systemd/system/hybrid-sleep.target → /dev/null.ĭisable Suspend and Hibernation in Ubuntu To prevent your Linux system from suspending or going into hibernation, you need to disable the following systemd targets: $ sudo systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target This method is much slower than suspending to RAM. The battery is not used and you can safely resume the system from the disk and get ahead with your work.
In this mode, power is reserved for the RAM and is cut from most components.
#Hybrid sleep vs hibernate Pc#
Suspend to RAM (Normal Suspend): This is the mode that most laptops automatically enter incase of inactivity over a certain duration or upon closing the lid when the PC is running on the battery.Sometimes, you may be required to press the power button. Getting back to using your system requires a simple mouse-click or a tap on any keyboard button. Suspending your system helps save power when you are not using your system. Related Read: A Basic Guide to Linux Boot Process
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