Ubuntu

Question about PPA to upgrade the distribution

Asked by Michal Dziczkowski

I would like to upgrade Ubuntu from Trusty to higher version, but after upgrading the packages, Ubuntu don't want to switch to Xenial. I planed tu use a trick and add xenial's PPA, but on launchpad in Ubunbtu aren't any PPA's regarding ubuntu itself and it's distributions.

Any idea about how to solve it ?

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Manfred Hampl (m-hampl) said : 		#1

For diagnostic purposes please provide the output of the commands

uname -a
lsb_release -crid
cat /etc/apt/sources.list
grep '^deb ' /etc/apt/sources.list.d/*.list

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Michal Dziczkowski (mdziczkowski) said : 		#2

It's Ubuntu 14.04 (Trusty). Bellow are the results of given commands:

* "uname -a":
Linux ubuntu 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:08:14 UTC 2014 i686 athlon i686 GNU/Linux

* "lsb_release -crid":
Distributor ID: Ubuntu
Description: Ubuntu 14.04 LTS
Release: 14.04
Codename: trusty

* "cat /etc/apt/sources.list":
deb cdrom:[Ubuntu 14.04 LTS _Trusty Tahr_ - Release i386 (20140417)]/ trusty main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty main restricted #Added by software-properties
deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted universe multiverse #Added by software-properties
deb http://security.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse #Added by software-properties
deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse #Added by software-properties
deb http://archive.ubuntu.com/ubuntu/ trusty-proposed multiverse main restricted universe
deb http://archive.ubuntu.com/ubuntu/ trusty-backports multiverse main restricted universe

* "grep '^deb ' /etc/apt/sources.list.d/*.list
<empty>

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Manfred Hampl (m-hampl) said : 		#3

I do not see anything wrong, but I want to recommend to disable the installation CDROM as repository source.
Either use the settings dialogue in update-manager to disable (untick) the installation CD, or use the command
sudo gedit /etc/apt/sources.list
to edit that file, and to put a comment indicator ('#') in front of the first line.

Then run the commands

sudo apt-get update
sudo apt-get dist-upgrade
cat /etc/update-manager/release-upgrades

and copy/paste all output that we can check whether there is some error that would prevent the release upgrade.

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Launchpad Janitor (janitor) said : 		#4

This question was expired because it remained in the 'Needs information' state without activity for the last 15 days.