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I dont know why it's saying Ubuntu 16.04.3 when in the about section it says that I have Ubuntu 18.04 LTS.

I can't update to Ubuntu 19 because it says there's a malformed entry: 

E: Malformed entry 52 in list file /etc/apt/sources.list (Component)  
E: The list of sources could not be read."

Below is what I get when I run cat /etc/apt/sources.list

# deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial universe
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates universe
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://us.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src http://us.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu xenial partner
# deb-src http://archive.canonical.com/ubuntu xenial partner

deb http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu bionic-security multiverse
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
deb http://archive.cannical.com/ partner
# deb-src http://archive.cannical.com/ partner
deb http://archive.canonical.com/ bionic partner
# deb-src http://archive.canonical.com/ bionic partner
# deb-src http://archive.canonical.com/ bionic partner
guntbert
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Kirk
  • 1
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    I do see invalid lines there; correct them. I see partner lines without a release reference (thus invalid) so someone has deleted them (ie. incorrectly edited file, or ran a script to edit the file without ensuring it was valid). – guiverc Nov 03 '19 at 22:44
  • I don't understand your references to versions; 16.04 (xenial) is mentioned in comments including your install ISO (20170801) but that doesn't matter. There is no Ubuntu 19 (Ubuntu Core releases use yy format as come out once per year, but main releases come out twice so use yy.mm format). Ubuntu 18.04 LTS was tested to upgrade to 18.10 (not 19.04/19.10) and will be tested to upgrade to 20.04 in the future, so upgrades to other releases are not tested for, nor officially supported (so as you're stepping outside of tested & supported path, be ready for issues that could occur) – guiverc Nov 03 '19 at 23:18
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    There is a typo in line 52. should be "deb http://archive.canonical.com/ partner". – Philipp Nov 03 '19 at 23:59
  • @Philipp there's more wrong in that line. – heynnema Nov 04 '19 at 01:11
  • Please see my answer. If it was helpful, please remember to accept it by clicking the checkmark icon just to the left of my answer. Thanks! – heynnema Nov 04 '19 at 01:33

1 Answers1

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sudo -H gedit /etc/apt/sources.list

Here are lines 52-56. Delete the lines 52, 53, and 56.

deb http://archive.cannical.com/ partner
# deb-src http://archive.cannical.com/ partner
deb http://archive.canonical.com/ bionic partner
# deb-src http://archive.canonical.com/ bionic partner
# deb-src http://archive.canonical.com/ bionic partner

Then go back to the top of the file and delete lines 1 and blank line 2.

# deb cdrom:[Ubuntu 16.04.3 LTS _Xenial Xerus_ - Release amd64 (20170801)]/ xenial main restricted
heynnema
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