Here are the reported details (which I struggle to understand) after witnessing several minutes of apparently successful cache updates:
W:GPG error: http://ftp.hk.debian.org/debian stretch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 NO_PUBKEY EF0F382A1A7B6500, W:The repository 'http://ftp.hk.debian.org/debian stretch Release' is not signed., W:Data from such a repository can't be authenticated and is therefore potentially dangerous to use., W:See apt-secure(8) manpage for repository creation and user configuration details., E:Failed to fetch http://ftp.hk.debian.org/debian/dists/stretch/main/i18n/Translation-en Could not open file /var/lib/apt/lists/partial/ftp.hk.debian .org_debian_dists_stretch_main_i18n_Translation-en.bz2 - open (13: Permission denied), E:Some index files failed to download. They have been ignored, or old ones used instead. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1790350 Title: Software updater failing to download some necessary updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1790350/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
