i3lock
Simple screen locker built for the i3 window manager. tldr-pages
On several platforms
Several platforms
Lock the screen showing a white background
i3lockIdentifyLock the screen with a simple color background (rrggbb format)
i3lock --color 0000ffIdentifyLock the screen to a PNG background
i3lock --image path/to/file.pngIdentifyLock the screen and disable the unlock indicator (removes feedback on keypress)
i3lock --no-unlock-indicatorIdentifyLock the screen and don't hide the mouse pointer
i3lock --pointer defaultIdentifyLock the screen to a PNG background tiled over all monitors
i3lock --image path/to/file.png --tilingIdentifyLock the screen and show the number of failed login attempts
i3lock --show-failed-attemptsIdentify