Why can't I update my repository updates in 12.04?
21062
dpkg: error: parsing file '/var/lib/dpkg/available' near line 0
68722
How can I make my local repository available for git-pull?
145081
Why won't git-daemon serve my repository?
152479
Why are apt-get repositories hardcoded to a specific release?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
16578
How to upgrade a single package using apt-get?
77692
How do I update Drush to the latest available version?
144507
No facility exists in Update Manager to upgrade to a new version, why?
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
93052
How can I update my nodeJS to the latest version?
8204
apt-get update only for a specific repository
46424
Cannot update software center repositories
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
140850
Why does do-release-upgrade on Xubuntu running version 18.04 not offer to update to 20.04.1?
117112
Why isn't Ubuntu moving its repositories to old-releases anymore?
110148
Why does `do-release-upgrade` skip a version?
80106
How do I enable automatic updates?