I use Ubuntu 14.04 and I want to upgrade my version of Ubuntu to the latest 16.04 LTS release. One way to do that is using the update-manager
. Is there any other way to do it ? Like using a bootable USB stick with 16.04 on it.
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Aditya
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1This https://askubuntu.com/questions/396727/upgrade-ubuntu-option-not-availiable-when-installing-from-usb-stick might help – Bruni Apr 25 '16 at 08:20
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This is exactly what I was looking for. Thank you @Bruni – Aditya Apr 28 '16 at 22:27
2 Answers
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Go to your Unity Dash, locate "Startup creator" and create a bootable installation USB disk using it. You will of course first download the *.iso image. Make sure that your USB is recognized when you plug it in, so that the creator knows which drive to use.
Then boot your computer using the USB.

Mookey
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Upgrade your system
First you have to check if there is a new version of Ubuntu
sudo do-release-upgrade -d
Wait for the system to finish installing , it takes time patience is needed :-) .. When it finishes reboot Ubuntu
Verify all packages are up to date
sudo apt update
sudo apt full-upgrade
Clear the cache
You don't want to keep that 1 or 2 Go of dependencies slowing down your system of course
sudo apt-get clean
sudo apt-get autoclean
sudo apt-get autoremove
Verify your version
lsb_release -a
You should get Ubuntu 16.04 LTS Xenial Xerius as output

storm
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The USB stick was just an example of "any other way". Please read the question before you downvote this answer. – Marvo Apr 27 '18 at 07:50
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take a look in this site:https://askubuntu.com/questions/138032/how-to-replace-an-old-version-of-ubuntu-with-a-newer-one-from-usb-dvd – Soheil Paper Jun 04 '20 at 14:55