Author Topic: Lubuntu release upgrade trusty -> xenial ???  (Read 68 times)

Offline Atair

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Lubuntu release upgrade trusty -> xenial ???
« on: December 04, 2017, 09:21:11 am »
I am running Lubuntu (linaro) 14.04 on my Cubietruck and want to upgrade to 16.04 (Xenial). (This is required for Owncloud >= 9.0)
This is what I currently have installed.
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS


The repo in sources.list is
deb http://ports.ubuntu.com/ubuntu-ports/ trusty main universe
deb-src http://ports.ubuntu.com/ubuntu-ports/ trusty main universe


I tried do-release-upgrade, but it fails with error "The required dependency 'apt (>= 1.0.1ubuntu2.13)' is not installed".

I download the required apt package from mirror repo at http://mirrors.mit.edu/ubuntu-ports and installed it manually.

Now the upgrade process stops with error "The required dependency 'dpkg (>= 1.17.5ubuntu5.6)' is not installed."

It seems that prerequisite for the release upgrade to 16.04 is a properly update installation of trusty which I believe is 14.04.3.
But apt-get upgrade does nothing (all 0).

I tried this with both repos
"deb http://ports.ubuntu.com/ubuntu-ports/ trusty main universe" and
"deb http://mirrors.mit.edu/ubuntu-ports trusty main restricted universe multiverse"
The latter was claimed to be more up-to-date and better maintained.

Do somebody know how to accomplish a proper upgrade?
I really want to avoid an installation from the scratch.

I would appreciate every hint!.