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Getting autentication error while upgrading to Ubuntu 22.04

sc flag

I have currently running Ubuntu 21.04 and trying to upgrade to 22.04

once I do

sudo apt update
sudo apt upgrade
sudo do-release-upgrade

I get the following authentication error

Blockquote s" async=""> Continue [yN] y Get:1 Upgrade tool signature [691 kB]
Get:2 Upgrade tool [691 kB]
Fetched 691 kB in 0s (0 B/s)
authenticate 'jammy.tar.gz' against 'jammy.tar.gz.gpg' Authentication failed Authenticating the upgrade failed. There may be a problem with the network or with the server.

What are my options here to rectify this. I have good network connection and don't understand the server issue.

Pilot6 avatar
cn flag
Ubuntu 21.04 is EoL and can't be upgraded to 22.04. Make a fresh install.
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