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lockheed

Run tasks automatically when you unlock your computer screen on Ubuntu Linux.

Basic Usage

Every time the screen unlocks, echo foo bar baz to the standard output.

$ lockheed echo foo bar baz

After the next screen unlock, wait 5 seconds and then run a custom script.

$ lockheed --once -c 'sleep 5 && ./myscript'

Get some help.

$ lockheed --help

Installation

Copy the lockheed script to an appropriate place on your PATH, e.g. /usr/loca/bin/.

Advanced Usage

To create a systemd user service which does some useful actions when you unlock your computer, you can create a service unit file such as unlock.service:

[Unit]
Description=My Screen Unlock Actions

[Service]
ExecStart=lockheed -c 'myscript myarg1 myarg2'
Restart=on-failure
RestartSec=3s

[Install]
WantedBy=graphical-session.target

Copy unlock.service to an appropriate directory for systemd user scripts on your system, for example ~/.config/systemd/user/ and enable and start it in the usual way. Boom!

Caveats

Tested and working on Ubuntu 20.04 running Gnome 3.36.8. If it does not work on your distro, version, or desktop environment, please make it so and submit a pull request!