Updater failing to upgrade, Kubuntu 20.04 Beta

[marco07]

Today, my updater in the panel shows 318 packages available . However it fails to upgrade. It opens up a dialog telling me some lib packages (about 10-12) will be removed by update in order to install the followings (a listing of remaining packages). when I click on "proceed" button, it does nothing and keeps on repeating this process in response to pressing "Fully Upgrade" tab on the updater.
Both apt-get and Muon package manager fail as well.
What is going on? Any body experiencing this?

[Snowhog]

Close any GUI package management program that may be running, then open a Konsole and type: sudo apt update && sudo apt full-upgrade

[marco07]

Close any GUI package management program that may be running, then open a Konsole and type: sudo apt update && sudo apt full-upgrade

Got error message to the effect that saying, could not get lock/var/lib/dpkg/lock-frontend. It's held by process 4985 (unintended-upgr).
The only GUI is the minimized updater in the panel. No other gui is open.

[Snowhog]

You can delete the lock file. In konsole type: sudo rm /var/cache/apt/lock

Then: sudo apt update && sudo apt full-upgrade

[claydoh]

Got error message to the effect that saying, could not get lock/var/lib/dpkg/lock-frontend. It's held by process 4985 (unintended-upgr).
The only GUI is the minimized updater in the panel. No other gui is open.

You can delete the lock file. In konsole type: sudo rm /var/cache/apt/lock

Then: sudo apt update && sudo apt full-upgrade

If this does not work, you need to try and delete the file mentioned in the error: /var/lib/dpkg/lock-frontend


sudo rm /var/lib/dpkg/lock-frontend

[marco07]

[QUOTE=claydoh;435904]If this does not work, you need to try and delete the file mentioned in the error: /var/lib/dpkg/lock-frontend

The error message i mentioned in post #3, specifically warns removing /var/lib/dpkg/lock-frontend is not a solution and may break and mess up your installation.

[GreyGeek]

Try clearing the apt cache:
First, reboot.
Then:
sudo apt update
sudo apt clean
sudo apt autoclean

Then do:
sudo apt full-upgrade

[marco07]

Hello Folks, today before doing anything else, I run "sudo apt update" which indicated a bunch of additional packages available for upgrade. So, I continued with "sudo apt dist-upgrade". Bingo! it finished up without any problem. All together about 400 packages were downloaded and installed.
It seems the system sort of self corrected and all is OK now.
I wounder if this is still a Beta version.
Thanks to all!
P.S. BTW, GG I tried mailto, it opened up a dialog asking for my email client. Among T. bird, kmail, gmail, etc, I selected kmail and it worked perfect. Just FYI.

[Snowhog]

...I continued with "sudo apt dist-upgrade"...

Likely you meant "sudo apt full-upgrade" as apt doesn't use dist-upgrade (apt-get did/does).

[marco07]

Likely you meant "sudo apt full-upgrade" as apt doesn't use dist-upgrade (apt-get did/does).

Yes! It is "sudo apt full-upgrade".
The upgrade and other many commands I use frequently are saved in my Terminal console, and I use down arrow to bring them up while i need them. Thanks for correction!

[GreyGeek]

...
P.S. BTW, GG I tried mailto, it opened up a dialog asking for my email client. Among T. bird, kmail, gmail, etc, I selected kmail and it worked perfect. Just FYI.

I waited until the next update and, as I expected, after it completed my mailto worked (works) perfectly! Ya just gota love those devs!