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I have Ubuntu 16.10 right now and I need to update it to something that is still supported. So I tried following this guide: https://www.linuxbabe.com/ubuntu/upgrade-ubuntu-16-10-to-17-04 but running the commands in the updating from 16.10 section don't work. They give errors about the repository not being updated. Could anyone give me a way to update to a supported version? I don't care too much which one, it's just that 16.10 isn't supported anymore.

Here are the error messages I get when I run sudo apt update && sudo apt dist-upgrade

> Err:8 security.ubuntu dot com/ ubuntu yakkety-security Release       
> 404  Not Found [IP: 91.189.88.161 80] Ign:9
> https:/ /dl.google.com/linux/chrome/deb stable InRelease               
> Get:10 http : // repository.spotify . com stable InRelease [3,302 B]       
> Hit:11 https:/ /dl.google . com/linux/chrome/deb stable Release          
> Ign:12 http:/ /ppa.launchpad . net/texlive-backports/ppa/ubuntu yakkety
> InRelease Err:13 http: / /archive.ubuntu.com/ubuntu yakkety Release     
> 404  Not Found [IP: 91.189.88.152 80] Err:14
> http:/ /archive.ubuntu.com/ubuntu yakkety-updates Release              
> 404  Not Found [IP: 91.189.88.152 80] Hit:15
> http://ppa.launchpad . net/umang/indicator-stickynotes/ubuntu yakkety
> InRelease Err:10 http://repository . spotify . com stable InRelease       
> The following signatures couldn't be verified because the public key
> is not available: NO_PUBKEY EFDC8610341D9410 Err:16
> http://ppa.launchpad . net/texlive-backports/ppa/ubuntu yakkety Release 
> 404  Not Found Reading package lists... Done                       E:
> The repository 'http://security . ubuntu . com/ubuntu yakkety-security
> Release' does no longer have a Release file. N: Updating from such a
> repository can't be done securely, and is therefore disabled by
> default. N: See apt-secure(8) manpage for repository creation and user
> configuration details. E: The repository
> 'http://archive . ubuntu . com/ubuntu yakkety Release' does no longer have
> a Release file. N: Updating from such a repository can't be done
> securely, and is therefore disabled by default. N: See apt-secure(8)
> manpage for repository creation and user configuration details. E: The
> repository 'http : //archive.ubuntu . com/ubuntu yakkety-updates Release'
> does no longer have a Release file. N: Updating from such a repository
> can't be done securely, and is therefore disabled by default. N: See
> apt-secure(8) manpage for repository creation and user configuration
> details. W: An error occurred during the signature verification. The
> repository is not updated and the previous index files will be used.
> GPG error: http://repository . spotify . com stable InRelease: The
> following signatures couldn't be verified because the public key is
> not available: NO_PUBKEY EFDC8610341D9410 E: The repository
> 'http://ppa.launchpad . net/texlive-backports/ppa/ubuntu yakkety
> Release' does not have a Release file. N: Updating from such a
> repository can't be done securely, and is therefore disabled by
> default. N: See apt-secure(8) manpage for repository creation and user
> configuration details.

The next command works without any errors. I had to mess up some of the links because otherwise it wouldn't let me post it.

being_hd
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Adam
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1 Answers1

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There is no Easy, Tested, Supported way to do what you want anymore. That window is closed. The only easy and supported path for you now is to backup your data and then to install a supported release of Ubuntu.

There are ways to do what you want, but they are not easy or fast. Recommended only for skilled apt users, as they involve editing text files, using the terminal, and occasionally resolving version conflicts.

Non-LTS Ubuntu releases occur every six months, and are supported for nine months. Unless you changed your settings, your system likely nagged you every day for three months to upgrade from 16.10 to 17.04 while that window was open.

If you don't want to be on that every-six-months treadmill, then LTS releases of Ubuntu occur every two years (14.04, 16.04, soon 18.04) and are supported for five years.

user535733
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