How to implement overlayfs in RAM

Asked Sep 14 '23 at 12:04

Active Sep 14 '23 at 12:04

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I have Ubuntu installed on an SSD and would like to use it as a customized live USB, allowing me to test system changes without risking corruption. I've read that Ubuntu uses overlayfs for this purpose, but I couldn't find the responsible script for my reference.

Could someone please guide me through the process of setting up my Ubuntu installation to function like a customized live USB using overlayfs? I understand that this may make the SSD unwritable without reformatting, and I'm willing to proceed with that understanding.

Thank you for your help!

asked Sep 14 '23 at 12:04

sudoer

overlayroot package. Locate and read the manual for safe operation. – user535733 Sep 14 '23 at 14:50
1

this is not good enough: https://askubuntu.com/questions/1434508/creating-a-customized-ubuntu-live-usb-with-read-only-filesystem-squashfs-greater ? – Rinzwind Sep 14 '23 at 15:18
Does this answer your question? Creating a customized Ubuntu Live USB with read-only filesystem squashfs greater than 4GB – Artur Meinild Sep 22 '23 at 07:10

How to implement overlayfs in RAM

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