HOW TO UPDATE UBUNTU-16.04 LTS FOR UBUNTU 18.04 LTS

I was looking for a simple way to update the Ubuntu 16.04 version to 18.04 version, I found many things on internet, however that's what really work for me in a better way.

Really important, don't forget to do the backup of your files.

1- Search for Software & Updates and open it:


2 - In the tab Other Software deselect all the options except Canonical Partners:


3 - Now go to the tab Updates and select "For long-term support versions" after that just close it:


4 - Open a terminal CTRL+ALT+T and put the following commands: 

$ sudo su - (to enter as root after that just enter with your password)

$ sudo apt update 
$ sudo apt upgrade 


5 - Put the commands below and start the upgrade to a new version by clicking on Update in the Program Updater window that will open:

$ sudo apt-get dist-upgrade
$ update-manager -d

Like I did it and it's work fine for me, I didn't save the correct image, then I found these in the network:


6 - After finished just reboot your system:

$ sudo reboot

7  - When restarted just Search again for Software & Updates and open it:


2 - In the tab Other Software select all the options again like android-studio, Skype, chrome, spotify, java, etc and close the window:









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