PREVENTING THE COMPUTER FROM SUSPENDING WHEN CLOSING THE LID

When closing the lid of your laptop, your computer suspends in order to save power. You can prevent the computer from suspending when closing the lid by changing the setting for that behavior. Warning

Some laptops can overheat if they are left running with the lid closed, especially if they are in a confined place like a backpack. Therefore, consider if changing the default setting (suspend) is the best option in your case. Procedure 13.10. Configuring the lid switch

1 - Open the /etc/systemd/logind.conf file for editing.

2 - Find the HandleLidSwitch=suspend line in the file. If it is quoted out with the # character at the start, unquote it.

If the line is not present in the file, add it.

3 - Replace the default suspend parameter with

  • lock for the screen to lock;
  • ignore for nothing to happen;
  • poweroff for the computer to switch off.

For example: 

[Login]
HandleLidSwitch=lock

4 - Save your changes and close the editor.

5 - Run the following command so that your changes preserve the next restart of the system: 

# systemctl restart systemd-logind.service
- Warning -
Keep in mind that restarting the service forcibly interrupts any currently running GNOME session of any desktop user who is logged in. This can result in users losing unsaved data.

For more information on the /etc/systemd/logind.conf file, see the logind.conf(5) man page.

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