As so many people bomb me on pw with questions about "how to upgrade",
here it is.. I wrote some tutorial for all. :p
Here you have it..
Yes! It is possible now to upgrade Mint from 17.3 to 18.
BTW: This is NOT for the LMDE edition!
Remember, v.18 is now in an ALPHA version and may have some bugs!
This is ONLY for people who knows what their doing and who knows
how to workaround/fix some issues!
In the simple words: For testing and developing purposes!
All You do, you're doing at your own risk!
Don't blame me if something goes wrong, if your home gont burned
or your grandma's cat fly's away and won't come back!
I strongly recommend the full system backup before you do something!
Important, before you begin!
1. Amount of the downloaded data is circa ~2GB
2. Your system MUST BE UP TO DATE! If is not, use command:
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sudo apt-get update && apt-get dist-upgrade
4. Optional - if you use the kernel which comes not with the Mint system, switch to standard one before upgrade! Just in case!
5. Read the troubleshooting section!
Ok.. Now the upgrade process..
1. You must change the system repos from Mint 17.3/Ubuntu 14.04 to Mint 18/Ubuntu 16.04
Open the terminal and do this:
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gksudo pluma /etc/apt/sources.list.d/official-package-repositories.list
(You can backup this file before change anything)
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deb http://packages.linuxmint.com sarah main upstream import backport
#------------------------------------------------------------------------------#
# OFFICIAL UBUNTU REPOS #
#------------------------------------------------------------------------------#
###### Ubuntu Main Repos
deb http://tl.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse
deb-src http://tl.archive.ubuntu.com/ubuntu/ xenial main restricted universe multiverse
###### Ubuntu Update Repos
deb http://tl.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
deb http://tl.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse
deb-src http://tl.archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
deb-src http://tl.archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe multiverse
###### Ubuntu Partner Repo
deb http://archive.canonical.com/ubuntu xenial partner
deb-src http://archive.canonical.com/ubuntu xenial partner
2. Go back to the terminal and do:
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sudo apt-get update
and do a second command:
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sudo apt-get dist-upgrade
3. Now follow all the instructions on the screen which appears in the upgrading process.
4. At the end Your machine need a restart/reboot.
5. When Your system starts again, you can enable all your previously disabled repos and you can switch back to the non-standard kernel.
6. Some systems need a GFX/modem proprietary drivers reinstallation. If You have one, do that.
Troubleshooting.
1. On some machines with Cinnamon DE, you need to (re)install the Cinnamon packages by hand after the upgrade:
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sudo apt-get install cinnamon
2. Some systems have errors with "libpng" package.
To fix this make like that:
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sudo apt-get purge libpng
sudo apt-get install -f
sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade
3. If you get the error like that:
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"W: http://packages.linuxmint.com/dists/sarah/Release.gpg: Signature by
key E1A38B8F144675D060EA666F3EE67F3D0FF405B2 uses weak digest algorithm (SHA1)"
https://bugs.debian.org/cgi-bin/bugrepo ... bug=818540
And try to resign this key like mentioned in the topic.
That's all.
Enjoy!