"upgrade has aborted" due to "Hash sum mismatch" while upgrading to Ubuntu 16.04
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
37112
Upgrade from httpd 2.4.6 to 2.4.41
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
143713
Upgrading Firefox fails. lzma error: compressed data is corrupt
58931
16.04 Upgrade: Failed to fetch Empty files can't be valid archives
24165
Upgrade to version newer than repositories
100135
What does "upgrade to 18.04" mean?
129143
Error upgrading to High Sierra
4248
How to fix apt: Signature by key uses weak digest algorithm (SHA1)?
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
5316
Update from 14.04 to 16.04 failed with GPG error
5877
"Failed to fetch" while updating
51350
While updating the ubuntu 16.04 does not have a Release file Error
119920
Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
16428
Upgrade to the latest PHP version in ubuntu 16.04
110148
Why does `do-release-upgrade` skip a version?