I edited the lockscreen UI code to try to allow the up/down arrows to remove the UI but I somehow managed to bork it so that I don't see any UI, no login/password, no session, nothing! Here's what I copy/pasted:

viewtopic.php?f=289&t=137721&p=405900#p405900

I'd appreciate any help as I'm stuck and can't login or do anything since this is a laptop which doesn't allow easy access to the battery to do a hard reset!

Thanks

The sessions can be unlocked with the command:

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loginctl unlock-sessions

More:

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$ loginctl --help
loginctl [OPTIONS...] {COMMAND} ...

Send control commands to or query the login manager.

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Session Commands:

  unlock-sessions          Screen unlock all current sessions
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=>

1) Log in with the virtual console: https://en.wikipedia.org/wiki/Virtual_console
Example, press : Ctrl + Alt + F5
Log in.

2) Type

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sudo loginctl unlock-sessions

3) Jump to the unlocked session with the Ctrl + Alt + function key
At here it is Ctrl + Alt + F1

Thank you very much Rog131.

Following your clear instructions I was able to get into virtual console with ctrl + alt + F5 and was able to use the cmd

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 sudo loginctl unlock-sessions

but was not able to then do the final step:

3) Jump to the unlocked session with the Ctrl + Alt + function key
At here it is Ctrl + Alt + F1

Any idea why the ctrl + alt + F1 did not work? it put me back into the lockscreen! so I just used the shutdown cmd to get out and start up the computer again

More importantly, what was wrong with the code that I copy/pasted in the original thread? did I put it in the wrong place within the unlockscreen qml file?

ablake wrote:
...Following your clear instructions I was able to get into virtual console with ctrl + alt + F5 and was able to use the cmd

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 sudo loginctl unlock-sessions

but was not able to then do the final step:

3) Jump to the unlocked session with the Ctrl + Alt + function key
At here it is Ctrl + Alt + F1

Any idea why the ctrl + alt + F1 did not work? it put me back into the lockscreen! so I just used the shutdown cmd to get out and start up the computer again

More importantly, what was wrong with the code that I copy/pasted in the original thread? did I put it in the wrong place within the unlockscreen qml file?

What was the output of the ?

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sudo loginctl unlock-sessions


Any error messages ?

You also should/could (working here):

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$ loginctl list-sessions


=> session id

and then with the session id

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$ loginctl unlock-session id


If you start the lock greeter in testing mode it should show what is the problem.