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sudo apt update && sudo apt dist-upgrade

Hit:1 http://ports.ubuntu.com/ubuntu-ports xenial InRelease
Hit:2 http://ports.ubuntu.com/ubuntu-ports xenial-security InRelease
Hit:3 http://ports.ubuntu.com/ubuntu-ports xenial-updates InRelease
Reading package lists... Done
Building dependency tree       
Reading state information... Done
7 packages can be upgraded. Run 'apt list --upgradable' to see them.
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done'

The following packages have been kept back:

xorg xserver-xorg xserver-xorg-core xserver-xorg-input-all
xserver-xorg-input-evdev xserver-xorg-input-void xserver-xorg-video-dummy

0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded

When i open update-manager the following comes up:

You don't have the required privileges to perform this action.

I press "Ok", this comes up:

the software on this computer is up to date.
However, Ubuntu 18.04.2 LTS is now available (you have 16.04)

i press Upgrade. Nothing happenes.

sudo do-release-upgrade

Checking for a new Ubuntu release Please install all available updates for your release before upgrading.

lsb-release -a

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.6 LTS
Release:    16.04
Codename:   xenial

cat /etc/apt/sources.list

deb http://ports.ubuntu.com/ubuntu-ports/ xenial main universe restricted multiverse
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse main restricted universe
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates multiverse main restricted universe

sudo nano /etc/apt/sources.list

deb http://ports.ubuntu.com/ubuntu-ports/ xenial main universe restricted multiverse
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse main restricted universe
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates multiverse main restricted universe
Johny Swe
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  • Try sudo do-release-upgrade. – Liso Apr 28 '19 at 09:36
  • Post the content of /etc/apt/sources.list—run cat /etc/apt/sources.list then copy it to your post. – Liso Apr 28 '19 at 10:00
  • If you want to edit /etc/apt/sources.list you have to gain superuser privilege, this can be done with sudo—so sudo nano /etc/apt/sources.list. – Liso Apr 28 '19 at 10:05
  • Typically, when a package does not upgrade even with dist-upgrade it's because the new version has a dependency which is not available. This often occurs if you try to upgrade while the mirror is in the middle of a sync, so for now just try again later. – fkraiem Apr 28 '19 at 10:26

1 Answers1

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Problem solved by editing "sources.list"

sudo nano /etc/apt/sources.list

I simply modified sources.list using nano /etc/apt/sources.list and removed the lines that were stopping the upgrades that I found by running apt list --upgradable

karel
  • 114,770
Johny Swe
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    Please add this information to your main post, this can be done by editing it. Don't post answer as edit, therefore this post should be deleted. – Liso Apr 28 '19 at 09:52
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    Or, if the problem was solve by editing sources.list, explain how you modified it. – fkraiem Apr 28 '19 at 14:11
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    @fkraiem True, I don't understand running nano could solve the problem. The sources.list file he posted looks okay to me. – Liso Apr 28 '19 at 14:27
  • @Jim As I said above, the problem probably disappeared when the mirror completed its sync and all the correct dependencies were up. – fkraiem Apr 28 '19 at 14:34
  • i simply modified sources.list using nano /etc/apt/sources.list/and removed the lines that were stopping the upgrades that i found by running apt list --upgradable – Johny Swe Apr 29 '19 at 12:48