Question
Trying to upgrade ubuntu 20.04lts to 22.04lts using do-release-upgrade, but getting public key errors
- Posted on May 16, 2023• Last validated on May 16, 2023
- Ubuntu 22.04
Asked by StonehouseTraveller
Currently 2 droplets to upgrade. both are:
- Distributor ID: Ubuntu
- Description: Ubuntu 20.04.6 LTS
- Release: 20.04\
- Codename: focal
Following the turotial: https://www.digitalocean.com/community/tutorials/how-to-upgrade-to-ubuntu-22-04-jammy-jellyfish
however I get the following errors (which appear to be signing error on DO reporitory) after running sudo do-release-upgrade:
*Err https://repos.insights.digitalocean.com/apt/do-agent main InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 77B79B3FFAF7EF65
Err https://repos-droplet.digitalocean.com/apt/droplet-agent main InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 35696F43FC7DB4C2
Fetched 11.0 kB in 0s (0 B/s)
Error during update
A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry.
W:Updating from such a repository can't be done securely, and is
therefore disabled by default., W:See apt-secure(8) manpage for
repository creation and user configuration details., W:GPG error:
https://repos.insights.digitalocean.com/apt/do-agent main InRelease:
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 77B79B3FFAF7EF65, E:The repository
'https://repos.insights.digitalocean.com/apt/do-agent main InRelease'
is not signed., W:Updating from such a repository can't be done
securely, and is therefore disabled by default., W:See apt-secure(8)
manpage for repository creation and user configuration details.,
W:GPG error: https://repos-droplet.digitalocean.com/apt/droplet-agent
main InRelease: The following signatures couldn't be verified because
the public key is not available: NO_PUBKEY 35696F43FC7DB4C2, E:The
repository 'https://repos-droplet.digitalocean.com/apt/droplet-agent
main InRelease' is not signed. *
Any suggestions would be appreciated.
Paul
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Hey @stonehousetraveller.
I’ve found a similar question in the community, here it is :
https://www.digitalocean.com/community/questions/how-to-fix-no_pubkey-77b79b3ffaf7ef65
Basically, what you need to do is add the missing keys:
If the above doesn’t work, try running: