Software Updater shows "Failed to download repository information. Check your internet connection" [18.04 LTS]
65
What can I do if a repository/PPA does not have a Release file?
30754
Cannot update: "No available releases found"
28650
`apt-get update` cannot find Ubuntu servers
158674
How do I get `apt-get update` to work on a machine with no internet access and manually assigned IP address?
112602
Unable to download updates from extensions.gnome.org
96696
timeout errors in apt-get update/install
1632
How do I fix a "Failed to download package files" error?
139458
How to download packages from a command-line given repository?
46424
Cannot update software center repositories
135452
How do you see what packages are available for update
144663
Downloading Eclipse plug-in update sites for offline installation
138044
How can I stop the Software Updater from nagging me to restart?
10193
Failed to download repository information due to missing CDROM
2236
Why don't the Ubuntu repositories have the latest versions of software?
146675
Error 101: Network is unreachable when trying to update
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
155179
How to get apt-cacher-ng to download AND cache packages from Apt HTTPS repositories?