Software & AppsOperating SystemLinux

How To Set Up a Keyboard Shortcut for Suspend Without Admin Privileges

Ubuntu 12

In this article, we will guide you through the process of setting up a keyboard shortcut for suspending your system without requiring administrator privileges. This can be particularly useful if you frequently need to suspend your system and want to do so quickly and easily. We will cover several methods, each suitable for different versions of Ubuntu.

Using the systemctl Command

For Ubuntu 15.04 and later versions, the systemctl suspend command can be used to suspend your system. Here’s how to set up a keyboard shortcut using this method:

  1. Open the terminal and run the command systemctl suspend to ensure it works. This command interacts with the system’s service manager and control runtime directories, or services. In this case, suspend is the unit we are targeting, which puts the system in a power-saving state.
  2. Go to the settings/keyboard app and create a new shortcut. You can do this by clicking on the “+” button.
  3. Set the command for the shortcut as systemctl suspend.
  4. Assign a key combination of your choice to the shortcut. This will be the keys you press to execute the suspend command.

Using the powermanagement-interface Package

Another method is to install the powermanagement-interface package, which provides the pmi command for suspending. Here’s how you can set up a keyboard shortcut using this method:

  1. Install the powermanagement-interface package by running sudo apt-get install powermanagement-interface in the terminal. This package provides an interface to interact with power management functions.
  2. Open the “System -> Preferences -> Keyboard Shortcuts” menu.
  3. Click on “Add” and enter pmi action suspend as the command. The pmi action suspend command sends a suspend signal to the power management interface.
  4. Assign a key combination for the shortcut.

Using the dbus-send Command

In some cases, the pmi command may not be available. In such situations, you can use the dbus-send command to suspend your system. Here’s how to set up a keyboard shortcut using this method:

  1. Open the terminal and run the command dbus-send --system --print-reply --dest="org.freedesktop.UPower" /org/freedesktop/UPower org.freedesktop.UPower.Suspend to ensure it works. This command sends a message to the D-Bus message bus system, which in turn sends a suspend signal to the power management interface.
  2. Open the “System -> Preferences -> Keyboard Shortcuts” menu.
  3. Click on “Add” and enter the above dbus-send command as the shortcut command.
  4. Assign a key combination for the shortcut.

Using the systemctl Command with the -i Option

For Ubuntu 16.04 LTS and newer versions, it is recommended to use the systemctl command with the -i option to force suspend immediately. Here’s how to set up a keyboard shortcut using this method:

  1. Open the terminal and run the command systemctl suspend -i to ensure it works. The -i option forces the system to suspend immediately, ignoring any inhibitors.
  2. Open the “System -> Preferences -> Keyboard Shortcuts” menu.
  3. Click on “Add” and enter the command systemctl suspend -i as the shortcut command.
  4. Assign a key combination for the shortcut.

By following these methods, you can set up a keyboard shortcut for suspending your system without requiring administrator privileges. Choose the method that suits your system version and preferences. Remember to test the command in the terminal before setting it as a keyboard shortcut to ensure it works as expected.

Can I set up a keyboard shortcut for suspending my system without admin privileges?

Yes, you can set up a keyboard shortcut for suspending your system without admin privileges. There are several methods you can use, depending on your version of Ubuntu. Please refer to the methods mentioned in the article for detailed instructions.

Which method should I use to set up a keyboard shortcut for suspending my system?

The method you should use depends on your version of Ubuntu. For Ubuntu 15.04 and later versions, you can use the systemctl suspend command. For older versions, you can install the powermanagement-interface package and use the pmi command. If the pmi command is not available, you can use the dbus-send command. For Ubuntu 16.04 LTS and newer versions, it is recommended to use the systemctl command with the -i option. Choose the method that suits your system version and preferences.

How do I create a new keyboard shortcut in Ubuntu?

To create a new keyboard shortcut in Ubuntu, go to the settings/keyboard app and click on the "+" button to add a new shortcut. Set the command for the shortcut according to the method you are using (e.g., systemctl suspend, pmi action suspend, dbus-send command), and assign a key combination of your choice to execute the suspend command.

How can I test if the suspend command works before setting it as a keyboard shortcut?

To test if the suspend command works before setting it as a keyboard shortcut, open the terminal and run the command mentioned in the respective method (e.g., systemctl suspend, pmi action suspend, dbus-send command). If the command executes successfully and puts your system in a suspend state, then it is working as expected.

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