Ubuntu 16.04 has been released on 21st April 2016, code-named “Xenial Xerus”. Today we will be looking in how to upgrade Ubuntu 14.04 LTS to Ubuntu 16.04 LTS, this will take a sometimes, depends on internet speed.
Note: You need to have an active internet connection to download the packages.
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14.04 LTS to LTS upgrades will be enabled only after 16.04.1 LTS point release, in about 3 months time, but if you follow this guide you can update ubuntu even before that.
Note: Before upgrading, please take a backup of important files to a secure place.
Step 1: Know your current version of Ubuntu (Click on gear icon at top right –> About this computer)
Step 2: Download and install the latest update for the current version of ubuntu using the following command.
$ sudo apt-get update && sudo apt-get dist-upgrade
Step 3: It would ask you to enter the password.
Step 4: Run the Software Updater with “-d” to update the Ubuntu 14.04 LTS to Ubuntu 16.04 LTS even before the 16.04.1 point release.
$ sudo update-manager -d
Step 5: You would get the following window to upgrade Ubuntu 14.10, click on upgrade.
Step 6: Now click on the upgrade in release notes window.
Step 7: You will get update summary, click on start upgrade.
Step 8:Now it will start to download the package.
Step 9: You can either keep or remove the obsolete packages. it is recommended remove the obsolete packages.
Step 10: Once the upgrade is completed, it would ask you to restart the machine.
Step 11: Once it rebooted, Checkout the brand new Ubuntu 16.04 login.
Now you have the latest version of Ubuntu.