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Persistent memory

rated 0 times [ 1] [ 0] / answers: 1 / hits: 480 / 1 Year ago, sun, february 12, 2023, 11:59:32

I was reading this guide to installing Ubuntu on a flash drive to see if there are any new ways of making a persistent boot, but I had a couple of questions.

I like this method bc I can have several operating systems plus my files on a drive, and don't have to dedicate a whole drive to an OS. Is there a way to introduce a persistent memory onto this?

The other question I have is, if I do the Unetbootin method, usb-creator, or pen drive linux, am I able to update my flash drive OS and keep it updated or will I have to get updates every time?

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overine

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2 Years ago

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answered 1 Year ago olouredping · Accepted Answer

You can do a few Full installs to separate partitions on the pendrive with various o/s and each will retain modifications.

If you want to do a few persistent, (Frugal), installs, the persistence mechanism needs to be different, as with Ubuntu, Puppy, Debian, etc.

Do not try to share a casper-rw file between different 'buntus, things will go really wonky.

Suggest only include the word "persistent" in the menuentry of the one 'buntu in grub.cfg you want persistent.

Let me know if you need clarification.

I suggest not trying to do a software update with a persistent install, when you fill casper-rw the drive will not boot.
Also you can not upgrade the kernel of a persistent install.

I use the MultiBootUSB script to boot multiple o/s iso's on USB using grub2.
I have had both Ubuntu and Puppy working persistently. Had no luck with Debian persistence.