Temporary failure resolving 'archive.neon.kde.org'
Reading package lists... Done
Building dependency tree
Reading state information... Done
60 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: Failed to fetch http://archive.neon.kde.org/user/dists/bionic/InRelease  Temporary failure resolving 'archive.neon.kde.org'
W: Some index files failed to download. They have been ignored, or old ones used instead.