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A stable version of elementary OS (0.4 Loki) was just released and I have installed a beta version of it on my system. Do I have to make a clean install to user the stable version or is it possible to upgrade from the beta?

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2 Answers 2

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First install the package that provides add-apt-repository if it's not already installed:

sudo apt-get install software-properties-common

Next, remove elementary OS Beta PPA and replaced it with the stable PPA:

sudo add-apt-repository --remove ppa:elementary-os/daily
sudo add-apt-repository ppa:elementary-os/stable

Refresh the repository information:

sudo apt-get update

Remove the elementary OS pre-release packages:

sudo apt-get remove elementary-os-prerelease

Update/install the Linux kernel packages for the stable release:

sudo apt-get install --install-recommends linux-generic-lts-xenial xserver-xorg-lts-xenial libgl1-mesa-glx-lts-xenial libegl1-mesa-lts-xenial

And finally upgrade the your system

sudo apt-get dist-upgrade

It's a good idea to restart your system too.

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    This is not working for me. I get the error E: Unable to locate package libegl1-mesa-drivers-lts-xenial. I guess you mean the package libegl1-mesa-lts-xenial?
    – jens
    Commented Sep 10, 2016 at 9:22
  • Command sudo apt-get install --install-recommends linux-generic-lts-xenial xserver-xorg-lts-xenial libgl1-mesa-glx-lts-xenial libegl1-mesa-drivers-lts-xenial is senseless!
    – png2378
    Commented Sep 10, 2016 at 10:57
  • elementaryforums.com sent me an email today, which says: There is no dist-upgrade available, unfortunately. You have to install Loki and restore your back-upped personal files afterwards.
    – StanE
    Commented Sep 10, 2016 at 13:37
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First install the packages for working with PPAs:

sudo apt install software-properties-common ppa-purge

Add stable PPA:

sudo add-apt-repository ppa:elementary-os/stable

And run ppa-purge utility for disabling daily PPA and automatically synchronizing all packages from stable PPA:

sudo ppa-purge ppa:elementary-os/daily

Finally upgrade your system and reboot your computer after this steps:

sudo apt upgrade
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