For a long time I have been locking a session by light-locker manually but can't find the clear way to setup locking by timeout. I installed xscreensaver for this purpose and it worked somehow for me. When the time to lock came xscreensaver locked the session properly. When I needed to lock it by my hands I could but when I unlocked it back I was required to enter my password twice.

Since I got lubuntu 17.10 installed I uninstalled xscreensaver because I meant it is no need to run screensaver just to see blank screen. Currently I still can to lock the session manually by shortcut or appropriate menu item (utilizing light-locker as before) but can't find out any way to get xfce4-power-manager/light-locker pair to lock the session by timeout. I get blank screen by timeout but my session remains unlocked.

I google the issue but found a number advices how to disable the locking but not to enable.

  • If you lock it by Ctrl+Alt+Del does it require the two times on the password? – Terrance Jan 12 '18 at 0:41
  • Since I have uninstalled xscreensaver it does not require typing the password two times. But in some cases it does not require the password at all. – tsapelman Jan 12 '18 at 0:50
  • Ah, I missed that part. Sorry. – Terrance Jan 12 '18 at 0:51

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