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Is there a simple way / app to say for example: every 30 minutes lock computer for 5 minutes (and don't let any easy way to cancel while this 5 minutes break is happening)?

I know you can set a daily use time, and i know you can schedule locking time. but those are not what i am looking for.

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This ought to be in a comment. No enough reps

Please clarify: a. You want to enforce locking after 30 minutes of Desktop session?

Answered Here https://stackoverflow.com/a/6445525. Automator.app is the tool of choice. use the command:

sudo shutdown -s +30

b. Gently remind the user to lock screen after 30 minutes and take a break?

for b. these are the possibilities: Setup a reminder with a Timer app. Use Key chain access/ Hot Corners/ or Add an icon to the dock.

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  • I edited my question because i forgot to mention i need it to stay lock for 5 minutes or so, but for your question it's more similar to the option a you mentioned. – mondi Feb 7 '19 at 10:42
  • Stay locked for 5 minutes and then resume again? Automatically unlocking a locked session beats the purpose it was designed for - security, that is. – Kavera_user714152 Feb 7 '19 at 10:45
  • Didn't really understand you. first of all the purpost is not secuirity at all. second, it can be resumed to the login screen state so you need the password. – mondi Feb 7 '19 at 10:52
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One way to do this is to set a cron job that activates the ScreenSaver App which ends up locking your screen.


Reproducing the relevant snippet from this repo on Github

#!/bin/bash
# Written by Amar Sharma <amarsharma.hacker@gmail.com>

lock_screen() {
  sudo open -a /System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/ScreenSaverEngine.app || true
}

A friend of mine made this script that come night time will change your password and lock your mac every X minutes and email you the password to make it cumbersome to continue using your mac every day. Link to Source Code on Github

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  • Thanks, i was looking for a more simple solution (no coding :), but any way how can i use this code to repeat this every 30 minutes? – mondi Feb 7 '19 at 10:36
  • Also i edited my question because i forgot to mention i need it to stay lock for 5 minutes or so. – mondi Feb 7 '19 at 10:41
  • I see, what if, this same script had the following behavior: 1. Lock and change password to random string every 30 minutes 2. Change password back to old password after 5 minutes – Sinstein Feb 7 '19 at 15:14
  • That could be fine... i guess. how would you do it? – mondi Feb 7 '19 at 18:36

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