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Change Disk Encryption Password
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Main PagePureOSTips & TricksChange Disk Encryption Password

How to change the password of an encrypted LVM system


Start up Disks and click the encrypted volume you wish to change the password for, click the gear icon and select Change Passphrase...:

cdp1

Enter your current and new password, and that's it:

cdp2

Last Author
mladen
Last Edited
Oct 29 2017, 14:08

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mladen created this document.Sep 15 2017, 13:47
mladen edited the content of this document. (Show Details)
mladen edited the content of this document. (Show Details)Oct 29 2017, 14:08
mladen edited the content of this document. (Show Details)Nov 1 2017, 09:41
mladen changed the edit policy from "All Users" to "Restricted Project (Project)".May 10 2018, 07:52
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jeremiah.foster edited the content of this document. (Show Details)Jan 28 2019, 11:00
joao.azevedo edited the content of this document. (Show Details)Jun 20 2019, 08:24
Wildfire added a subscriber: Wildfire.EditedDec 29 2020, 10:39

luks cryptsetup- trying to change encrypt pw
I see the warning, about using GNOME Disks to change the pw. I went to the link https://tracker.pureos.net/T541, and checked for updates to the string. Seems that mladen posted an update back in June 2020 that this issue was resolved. "Debian bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928893 indicates that this has been fixed."
We are now headed in Jan 2021, can anyone confirm this to be true? I would prefer not to be the "ginny pig".
I tried the terminal route first and ran into some issues and did not work out as described above. My drives are set up differently, I have two drives in this machine and not listed as sda's.
Before I dove down that rabbit hole, I figured I would revisit using GNOME Disks, as it would be far easier, if its safe.
I don't have a virtual machine set up yet to test it out on.
Feedback please.
12-30-20 update- used the GNOME Disks and reset the passphrase with no issues.

PS - Does anyone know what the little reset hole on the bottom of my Lib15 actually does? Does it restore the laptop to factory default and wipe everything? This is a fresh machine, no data to lose yet, so that is not much of an issue to go back to (Off Shelf Factory Default) and start the set up process over. I don't however get locked out of my drive by screwing up the pw reset,

mladen edited the content of this document. (Show Details)Jul 5 2021, 09:30
joao.azevedo edited the content of this document. (Show Details)Nov 8 2021, 06:52

@Wildfire yes, this is fixed in Debian Bullseye

Wildfire added a comment.Nov 8 2021, 18:53

Awesome, thanks for the feedback.
I used the GNOME Disks and reset the passphrase with no issues, worked pretty smoothly, no issues since.
My L15 is still hummin along just fine.

This is off track for this thread, sorry, but was still wondering..... can someone answer the last question, about the little tiny reset hole in the bottom of my L15 is for? It has a round circle printed around it with an arrow, which I would assume means reset, reset what is the question?
I have researched the manuals and docs that I can find, no mention anywhere of what its for. I am guessing that because its near the kill switches, that it might have something to do with the WiFi?
Just curious, no one seems to know in the forums either.

joao.azevedo edited the content of this document. (Show Details)May 16 2022, 12:45