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While running the sudo apt-get update on ubuntu 17.04 Zesty Zapus, I am getting the following error. I have posted on the error lines. I wanted to install python libraries like matplotlib and tkinter which failed to installed because above command wasn't running succesfully. Please suggest me what to do.

Err:9 http://security.ubuntu.com/ubuntu zesty-security/main amd64 Packages
  404  Not Found [IP: 2001:67c:1560:8001::14 80]
Err:25 http://in.archive.ubuntu.com/ubuntu zesty/main i386 Packages
  404  Not Found [IP: 2001:67c:1360:8001::21 80]
Err:81 http://in.archive.ubuntu.com/ubuntu zesty-updates/main amd64 Packages
  404  Not Found [IP: 2001:67c:1360:8001::21 80]
Err:113 http://in.archive.ubuntu.com/ubuntu zesty-backports/main amd64 Packages
  404  Not Found [IP: 2001:67c:1360:8001::21 80]
Reading package lists... Done
W: The repository 'http://security.ubuntu.com/ubuntu zesty-security Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://in.archive.ubuntu.com/ubuntu zesty Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://in.archive.ubuntu.com/ubuntu zesty-updates Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://in.archive.ubuntu.com/ubuntu zesty-backports Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://security.ubuntu.com/ubuntu/dists/zesty-security/main/binary-amd64/Packages  404  Not Found [IP: 2001:67c:1560:8001::14 80]
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/zesty/main/binary-i386/Packages  404  Not Found [IP: 2001:67c:1360:8001::21 80]
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/zesty-updates/main/binary-amd64/Packages  404  Not Found [IP: 2001:67c:1360:8001::21 80]
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/zesty-backports/main/binary-amd64/Packages  404  Not Found [IP: 2001:67c:1360:8001::21 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
Vikas Yadav
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Ayush Kumar
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    Use AskUbuntu for this. SO is not the right place for this. – xssChauhan Jan 22 '18 at 09:23
  • Was wondering if this is because 17.04 is no longer getting support and I was getting a prompt to update to 17.10 – Ayush Kumar Jan 24 '18 at 10:19
  • @AyushKumar Yes, this is it! See [here](https://askubuntu.com/questions/91815/how-to-install-software-or-upgrade-from-an-old-unsupported-release) for instructions. – Yoan Tournade Jan 26 '18 at 22:10
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    @YoanTournade Yes, I figured it out as I couldn't find any solution for this, so I upgraded to 17.10 yesterday. Turns out that 17.04 was no longer getting support from Ubuntu. – Ayush Kumar Jan 27 '18 at 04:09
  • Followed this and was able to fix it. https://askubuntu.com/questions/999856/apt-get-update-fails-when-updating-from-17-04-to-17-10-after-eol-none-of-the-mi – user3514641 May 22 '18 at 11:16
  • in my case below link helped me. https://askubuntu.com/questions/999856/apt-get-update-fails-when-updating-from-17-04-to-17-10-after-eol-none-of-the-mi – user3514641 May 22 '18 at 11:17

4 Answers4

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you can solve it by: just replace us.archive.ubuntu.com and security.ubuntu.com in /etc/apt/sources.list with old-releases.ubuntu.com and then you'll be able to finish updating.

refer to source 1 and ubuntu forum

it work for me

Houndjetode Noukpo Herve
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In my case:

sed -e 's/archive.ubuntu.com/old-releases.ubuntu.com/g' -i /etc/apt/sources.list 
sed -e 's/security.ubuntu.com/old-releases.ubuntu.com/g' -i /etc/apt/sources.list
Sergey Pavlov
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  • results in `W: Failed to fetch http://us.old-releases.ubuntu.com/ubuntu/dists/zesty/InRelease Could not resolve 'us.old-releases.ubuntu.com'` got include `us.` in the search pattern – givanse Jul 03 '18 at 00:10
  • somehow the find-and-replace didn't work well for me and encountered similar issue. So opened /etc/apt/sources.list, and replaced it manually to make the URLs as http://old-releases.ubuntu.com instead of http://us.old-releases.ubuntu.com and update command started working well. – pritam Mar 28 '19 at 19:04
2

In my case, I was able to download some of the packages by doing the following:

I had to replace "us.archive.ubuntu.com" and "security.ubuntu.com" in /etc/apt/sources.list WITH "old-releases.ubuntu.com" and then I was able to finish downloading some of the packages, like Ayush Kumar said.

For the other updates that were listed by my Hosting company, Linode, I used the following:

I had to use the --allow-unauthenticated flag with sudo apt-get update.

sudo apt-get update --allow-unauthenticated

Then I was able to finish updating.

luminol
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17.04 isn't getting further support from Ubuntu. So, the solution that worked for me was to upgrade it to 17.10 as none other solutions helped.

Ayush Kumar
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