The default action is suspend: <key name="power-button-action" enum="org.gnome.settings-daemon.GsdPowerButtonActionType"> <default>'suspend'</default> <summary>Power button action</summary> <description>The action to take when the system power button is pressed. This action is hard-coded (and the setting ignored) on virtual machines (power off) and tablets (suspend).</description> </key>
but you can change that in: Settings > Power > Suspend & Power Button > When the Power Button is pressed ... Unfortunately no option exists to prompt the user. So that would be an enhancement request... ** Changed in: gnome-settings-daemon (Ubuntu) Status: New => Confirmed ** Changed in: gnome-settings-daemon (Ubuntu) Importance: Undecided => Wishlist ** Summary changed: - Ubuntu 18.04 LTS does not ask for action when I press ACPI Power button/key - immediately shutdowns + Prompt the user when the power button is pressed ** Changed in: gnome-shell (Ubuntu) Importance: Undecided => Wishlist ** Changed in: gnome-shell (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to upower in Ubuntu. https://bugs.launchpad.net/bugs/1769372 Title: Prompt the user when the power button is pressed Status in gnome-control-center package in Ubuntu: Confirmed Status in gnome-settings-daemon package in Ubuntu: Fix Released Status in gnome-shell package in Ubuntu: Confirmed Bug description: Steps to reproduce: 1. Install Ubuntu 18.04 LTS 2. Login to session 3. Press ACPI Power button/key Expected behavior: * Ubuntu asks user about action Actual behavior: * Ubuntu immediately shutdowns ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-desktop 1.417 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sat May 5 18:32:06 2018 InstallationDate: Installed on 2018-04-28 (7 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) SourcePackage: ubuntu-meta UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1769372/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp