Using an Ubuntu 22 droplet. It has been working fine for a few months including regular apt updates. But today’s apt update
has a failure.
$ apt update
Hit:1 https://repos.insights.digitalocean.com/apt/do-agent main InRelease
Hit:2 http://mirrors.digitalocean.com/ubuntu jammy InRelease
Hit:3 http://mirrors.digitalocean.com/ubuntu jammy-updates InRelease
Hit:4 http://mirrors.digitalocean.com/ubuntu jammy-backports InRelease
Get:5 https://repos-droplet.digitalocean.com/apt/droplet-agent main InRelease [5,518 B]
Hit:6 http://security.ubuntu.com/ubuntu jammy-security InRelease
Err:5 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 5,518 B in 7s (803 B/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
7 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: https://repos.insights.digitalocean.com/apt/do-agent/dists/main/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. 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
W: Failed to fetch https://repos-droplet.digitalocean.com/apt/droplet-agent/dists/main/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 35696F43FC7DB4C2
W: Some index files failed to download. They have been ignored, or old ones used instead.
Does Digital Ocean have a known fix for this?
To be clear, apt
is able to retrieve most updates, and I can still install packages using apt
.
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Hello @jamesmoon
You can check the thread here and try the following command to resolve the error:
https://www.digitalocean.com/community/questions/how-to-fix-no_pubkey-77b79b3ffaf7ef65
Regards