Score:-8

How can you go back to your old ubuntu os from an upgrade pop os without using usb , cd , dvd and so on ..?

us flag

Some time ago, I upgraded my OS to pop os, after days of doing that I needed to use some ubuntu software and OS, so I had the problem of not being able to go back without reinstalling the new ubuntu.

cn flag
That is not an upgrade. That is a replacement. You really should reinstall using an USB. There is a method where you download an ISO, put it in a 2.5 Gb partition and boot from that. Is that an option?
Soren A avatar
mx flag
Unless you have a backup of Ubuntu from before "upgrading" it to POP OS, you can't. But can't you just install thee needed software in POP ?
cn flag
I think 1 way might be to replace all the sources back to Ubuntu and have it do an upgrade. RISKY. As with any of these: make a backup or store your personal files on a diff.partition you mount and do not format.
guiverc avatar
cn flag
Only Ubuntu and *official* flavors of Ubuntu (https://ubuntu.com/download/flavours) are on-topic here, refer to https://askubuntu.com/help/on-topic where you'll find other SE sites where you question will be welcome if you don't want to use a Pop forum. (*One advantage of Ubuntu is it's many support options, you opted for Pop OS so take advantage of its support options, or SE Unix & Linux* found in the on-topic link)
Score:3
ru flag

"Upgrading" to Pop OS is an impossibility - PopOS is a different Operating System than Ubuntu. It may be ubuntu based but it is a unique system.

To 'go back' to plain Ubuntu you need to do a complete reinstall of Ubuntu. There is no alternative as you cannot 'revert' switching OSes.

Dalibor Filus avatar
us flag
That's not entirely true. I've successfully converted existing ubuntu installation to pop-os by adding the repository, switching from grub to systemd-boot, and reinstalling some packages. Mainly pop-desktop and some system profiles. Yes, it's a hybrid and clean installation is better. Just sayin'.
ru flag
@DaliborFilus there's a difference between a *hybrid* and a direct upgrade that OP was asking about in 2021
Score:0
sc flag

I do make a bootable clone regularly, in particular just BEFORE upgrading (or of course using a new system), so if there is an immediate problem (like no Wifi), I have a chance to go back.

However, I had to make my own program to do this cleanly and quickly and also this does not protect from bugs that I see only after I have made a new clone.

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