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
