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It is preferable to upgrade from the console. Even in the case of cloud or virtual computing try to get to a console. Most cloud and virtual systems provide a back door console access via the web browser.
Perform the release upgrade,
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Again, if your system is running real applications and stable make sure you can backup and restore your system before going further. |
Install the update-manager-core package if it is not already installed:
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sudo apt-get install update-manager-core |
Edit /etc/update-manager/release-upgrades and set Prompt=normal;
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sudo ne /etc/update-manager/release-upgrades |
Perform the release upgrade.
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do-release-upgrade |
After the upgrade it will request to restart the system.
Verify the Upgrade
Verify that the version you are running has changed,
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