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Windows 10 WSL2 - Ubuntu - apt update with Temporary failure resolving

de flag
tweetysat

I'm running windows 10 with WSL2. I installed a distribution of Ubuntu 20.04.

When I do sudo apt update, it's working

Hit:1 http://archive.ubuntu.com/ubuntu focal InRelease
Get:2 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Get:3 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:4 http://archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB]
Fetched 328 kB in 17s (19.3 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.

Then I tried adding a repository for podman. In /etc/apt/sources.list

deb https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/ /

But now when doing sudo apt update I got

Err:1 https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04  InRelease
  Temporary failure resolving 'download.opensuse.org'
Err:2 http://archive.ubuntu.com/ubuntu focal InRelease
  Temporary failure resolving 'archive.ubuntu.com'
Err:3 http://security.ubuntu.com/ubuntu focal-security InRelease
  Temporary failure resolving 'security.ubuntu.com'
Get:4 http://archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Get:5 http://archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB]
Fetched 214 kB in 34s (6269 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/focal/InRelease  Temporary failure resolving 'archive.ubuntu.com'
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/focal-security/InRelease  Temporary failure resolving 'security.ubuntu.com'
W: Failed to fetch https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_20.04/InRelease  Temporary failure resolving 'download.opensuse.org'
W: Some index files failed to download. They have been ignored, or old ones used instead.

Yet a ping is working

PING download.opensuse.org (195.135.221.134) 56(84) bytes of data.
64 bytes from download.opensuse.org (195.135.221.134): icmp_seq=1 ttl=58 time=36.9 ms
64 bytes from download.opensuse.org (195.135.221.134): icmp_seq=2 ttl=58 time=35.9 ms

Removing the repository line and it is working.

What would be the problem ?

Edit

I asked other coworkers to try the same and it's working for them. So I suppose it is not a proxy or dns problem on the network. The last 'guilty' :-) seems to be my laptop. But why ?

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Liso avatar
sd flag
Liso
It's working fine here (Ubuntu server 20.04). Maybe check your internet connection?
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de flag
tweetysat
My internet connection is ok. See get 4 and get 5 working. And a ping is working.
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ChanganAuto avatar
us flag
ChanganAuto
Are you connecting behind a proxy?
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de flag
tweetysat
Yes. I'm behind a corporate proxy. So I can consider a resolving problem with download.opensuse.org but not with the other ones when adding opensuse. See also my edited question.
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user1582298 avatar
sl flag
user1582298
I had the same issue, closed it and run ubuntu again as admin. Worked for me then.
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karel avatar
sa flag
karel
Does this answer your question? [apt-get update fails to fetch files, “Temporary failure resolving …” error](https://askubuntu.com/questions/91543/apt-get-update-fails-to-fetch-files-temporary-failure-resolving-error)
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