Screen locker doesn't prompt for password

Thomas

To be honest, I'm a bit lost. I've reecently upgraded from 12.04 (Kubuntu) to 14.04 and finally to 16.04 (Unity) and aside from some minor issues everything seems fine - except the screen locker, which doesn't prompt me for a password no matter what I try.

I've tried removing gnome-screensaver and installing xscreensaver - no success. I reverted that change - still nothing. I've tried Ctrl+Alt+L, I've tried

gnome-screensaver-command -l

on the command line - nothing. The screen goes black - as it should - and comes back normally as soon as I press any key or move the mouse.

I must admit that I'm a bit annoyed as this is a serious security issue for me and I never experienced problems for the last twenty years or so.

craken

Install "Unity Tweak Tool" with sudo apt-get install unity-tweak-tool.

Run it from the Launcher and select System > Security > Enhance system security by enabling Desktop lock.

If you password not already existing, set a user-password, replace 'your-user-name' with your real user-name:

sudo passwd your-user-name

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