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Checking for a new Ubuntu release There is no development version of an LTS available

pk flag

We are upgrading OS version from 18.04 to 20.04 LTS .When we try to run do-release-upgrade -c , we are getting the following error :

Checking for a new Ubuntu release There is no development version of an LTS available. To upgrade to the latest non-LTS development release set Prompt=normal in /etc/update-manager/release-upgrades.

We need to have LTS release .

We tried with do-release-upgrade -d but this is also not working .

It is showing :

Failed to connect to https://changelogs.ubuntu.com/meta-release-lts.

Please help us here .

cc flag
Ubuntu 18.04 is EOL. See https://help.ubuntu.com/community/EOLUpgrades
Siraj Khan avatar
pk flag
But the link provided is also not able to solve the issue , tried with http://old-releases.ubuntu.com/ubuntu/ but still not able to run do-release-upgrade
cc flag
Try http://archive.ubuntu.com/ubuntu/dists/ for bionic
user535733 avatar
cn flag
Classic misuse of the `-d` flag. See `man do-release-upgrade`. I suggest you omit that attempt from your question, since it unrelated to your actual `-c` question.
user535733 avatar
cn flag
What happens when you run `do-release-upgrade` without any flags at all? Please show complete output.
guiverc avatar
cn flag
FYI: The `-d` upgrade is required until *after* Ubuntu 20.04.1 has been released which was some time ago (https://fridge.ubuntu.com/2020/08/06/ubuntu-20-04-1-lts-released/) as the normal upgrade path opens after 20.04.1 release, with the `-d` required before then to *force* the upgrade. Some documentation exists telling you to do it, as it was required before August 2020 when https://changelogs.ubuntu.com/meta-release-lts was amended.
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