I've just deleted all the ppa sources, but the problem persists. I keeps
adding the same packages a lot of times:
root@host:/etc/apt# apt update
Hit:1 http://archive.canonical.com/ubuntu bionic InRelease
Hit:2 http://archive.canonical.com bionic InRelease
Thank you for taking the time to report this bug and helping to make
Ubuntu better. The error that you are a reporting is a conflict between
packages from the official Ubuntu archive and packages from a PPA. To
resolve this situation please deactivate PPAs using the tool 'ppa-purge'
which is
** Tags added: bionic2cosmic
** Tags added: third-party-packages
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https://bugs.launchpad.net/bugs/1800563
Title:
Unresolvable problem trying to upgrade to 18.10 Cosmic
To manage
It seems Cosmic sources are added several times:
Third party sources disabled
Some third party entries in your sources.list were disabled. You can
re-enable them after the upgrade with the 'software-properties' tool
or your package manager.
To continue please press [ENTER]
Get:1
