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There is an "official" process:

https://wiki.ubuntu.com/Kernel/LTSEnablementStack#Ubuntu_20.04_LTS_-_Focal_Fossa

BTW trying to "upgrade out of a problem" almost never works. I speak from personal experience. If it's broke an upgrade will usually only make matters worse!

I would absolutely NOT upgrade that 16.04 PC until you have any other issue resolved! Ubuntu 16.04 is still supported until April, at which time you could even sign up for the free ESM:
...

Me too, in fact I may have been one of those who recommended Kubuntu to you. But I maintain a few dozen PC's for other people and they were mostly having none of it. I'd hoped to satisfy them with...

So if you logout and select flashback w/metacity and then log back in you actually get to the true flashback session? But if you then reboot you get the default Ubuntu/Gnome shell DE? That's a...

It sounds like you're not using GNOME Flashback then. On this box I have flashback set up with one panel on the bottom and if I hold Alt and right click the panel I see this dialog:

287948

Run...

First of all you need to know that 20.04 is supported until April 2025 but 20.10 is only supported until July 2021:

https://ubuntu.com/about/release-cycle

That business of trying to get updates...

In GNOME Flashback you have to press Alt and right click on the panel to add things from the menu. Drag-n-drop doesn't work.

No extensions are built to work with the flashback session!

I see you're using the nouveau graphics driver. You might want to try opening the Additional Drivers UI and installing the nVidia driver if it's offered there.

I'm rather curious how exactly you upgraded - 16.04 > 18.04 > 20.04? Or did you perform a fresh install?

Regardless though I'm curious about the kernel version being used and what graphics card...

It seems that GNOME (and especially Nautilus) now wants (maybe more accurate to say "demands") me to do things their way - the old "my way or the highway" approach. I worked in environments where...

I'll have to experiment a bit with that. One recent project involved purging nvidia drivers from TTY but it took me a long time to figure out exactly what version and what the full package name was.

Sweet! That brings the wildcard into play as I'd inquired about. Also shows available (uninstalled) packages as well.

Reading the dpkg man pages led me to using this:

dpkg --list | grep <partial-package-name>, eg:


lance@lance-desktop:~$ ls /boot
config-5.4.0-62-generic memtest86+.elf...

So being more specific here's one example. Let's say I wanted to search all packages (both installed and just available) that begin with "linux-generic". If I know the full package name I can:

...

I haven't found any documentation for this but it used to be you could use * as a wild card to search packages, or maybe I had a bad dream :D

Anyway, if I'm right about the past, has that changed?...

What is the full output of:


sudo dpkg --configure -a

I opened a bug report about this:

https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1911614

I like to use synaptic package manager to remove such things as unwanted kernels. Step one,...

No, it's not. The Ubuntu images have the HWE version of linux-generic installed by default. It only became apparent when the 5.8 series kernel rolled out. The other flavors are not effected:
...

I filed a bug report:

https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/1911614

More subscribers and marking it as effecting you too will turn up the heat. No heat - no fix.

I'm still gathering data as time allows. This appears to be limited to Ubuntu only. I didn't check all of the flavors but for Ubuntu MATE, Kubuntu, Xubuntu, and Lubuntu have linux-generic on their...

In deed. I checked the .iso manifests this morning and both 20.04 and 20.04.1 show linux-generic-hwe-20.04, but the Beta shows linux-generic. This was clearly a mistake based on all the support...

I'm reasonably certain that this was a screw-up. Besides the link I included with my message to ubuntu-release this link reaffirms that:
...

I asked about this at ubuntu-release:

https://lists.ubuntu.com/archives/ubuntu-release/2021-January/005145.html

That was the 9th, in the wee hours of the morning. So far no response. I maintain...

Ditto!

https://ubuntuforums.org/showthread.php?t=2456248&p=14012537#post14012537