Páni,
chcem požiadať o radu ako opraviť túto chybu
.
tony@dockers:~$ sudo apt update
Get:1 https://download.docker.com/linux/ubuntu focal InRelease [52.1 kB]
Hit:2 http://sk.archive.ubuntu.com/ubuntu focal InRelease
Get:3 http://sk.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Hit:4 http://sk.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:5 http://sk.archive.ubuntu.com/ubuntu focal-security InRelease
Err:3 http://sk.archive.ubuntu.com/ubuntu focal-updates InRelease
The following signatures were invalid: BADSIG 3B4FE6ACC0B21F32 Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>
Fetched 52.1 kB in 1s (79.3 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://sk.archive.ubuntu.com/ubuntu focal-updates InRelease: The following signatures were invalid: BADSIG 3B4FE6ACC0B21F32 Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>
W: Failed to fetch http://sk.archive.ubuntu.com/ubuntu/dists/focal-updates/InRelease The following signatures were invalid: BADSIG 3B4FE6ACC0B21F32 Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>
W: Some index files failed to download. They have been ignored, or old ones used instead.
tony@dockers:~$
Ubuntu server 20.04.2 LTS
Ďakujem za odpoveď.