Ugrade abortion

[Bret Busby]

On 19/01/2022, Bret Busby <bret.busby at gmail.com> wrote:
> On 19/01/2022, Bret Busby <bret.busby at gmail.com> wrote:
>> Hello.
>>
>> Tried to perform system upgrade from UbuntuMATE 21.04 to 21.10, as I
>> believed (quite wrongly, it seems) that 21.10 should have stabilised
>> by now.
>>
>> I did this using the Software Updater application, after updating
>> 21.04 ("Your system is up to date. However, a new version is
>> available; 21.10 . <Update> <Okay>" (or, something to that effect) ).
>>
>> About 1230 packages were downloaded, then, the version upgrade began
>> installing the packages.
>>
>> After a while, the Software Updater crashed, displaying only the error
>> message
>> "
>> Could not install the upgrades
>> The upgrade has aborted. Your system could be in an unusable state. A
>> recovery will run now (dpkg --configure -a)
>> "
>>
>> Tried getting a screenshot, but the Take Screenshot application will
>> not save the screenshot, after the abortion.
>>
>> Then, clicking the <Close> button,  the following is displayed.
>>
>> "
>> Upgrade complete
>> The upgrade has completed but there were errors during the upgrade
>> process. <Close>
>> "
>>
>> Then, upon clicking "Close", the underlying window, that displayed
>> some information about one of the errors, disappeared.
>>
>> Is Ubuntu 21.10 like Debian Experimental, by design, as well as in
>> practice?
>>
>>
>> --
>> Bret Busby
>> Armadale
>> West Australia
>> (UTC+0800)
>> ..............
>>
>
> The system is now apparently broken.
>
> Whilst I can load Thunderbird on it, and, view messages, I can not now
> send messages, having tried to send a reply to the message above,
> which reply includes a response to an command that I tried to run.
>
> In trying to apply the mv command, to rename the version of
> /etc/apt/sources.list, that was generated by the abortion, I get the
> response, as I do for any command that I try to run in that directory,
> using sudo; that it is a Read-only file system.
>
> So, now, it is apparently broken.
>
> --
> Bret Busby
> Armadale
> West Australia
> (UTC+0800)
> ..............
>

Oh, and, the System Profiler and Benchmark application shows the
system as being 21.10 .

So, apparently, 21.10 is partly installed, but the operating system
apparently is limited in its functionality, to viewing some things
(and, in Thunderbird, I can view most messages that I tried, but,
some, I can not).

-- 
Bret Busby
Armadale
West Australia
(UTC+0800)
..............