zerai.xyz/content/post/apt-issues.md
naoufal zerai 51089ddd40 apt
2022-09-09 21:19:48 -04:00

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Markdown

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title = "Apt Issues"
date = 2022-09-09T19:36:53-04:00
lastmod = 2022-09-09T19:36:53-04:00
tags = ["apt","DNS","error"]
categories = ["Linux"]
imgs = []
cover = "" # image show on top
readingTime = true # show reading time after article date
toc = true
comments = false
justify = false # text-align: justify;
single = false # display as a single page, hide navigation on bottom, like as about page.
license = "" # CC License
draft = false
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If you get a <mark>"failed to fetch"</mark> error occurs when apt-get update is run, then try this:
<!--more-->
## Edit DNS
First try to ping any website
ping zerai.xyz
If you can't resolve the DNS
{{< highlight bash-session >}}
ping: zerai.xyz: Temporary failure in name resolution
{{< /highlight >}}
Then first edit resolv.conf
sudo vi /etc/resolv.conf
Change your DNS to any DNS Server
{{< highlight bash-session >}}
nameserver 100.64.0.7
{{< /highlight >}}
Next execute this commands :
sudo apt-get --download-only --reinstall install resolvconf
sudo dpkg --purge --force-depends resolvconf
sudo apt-get install resolvconf
Finaly if you still have DNS problems a reboot is recommended
## If you have an EOL version(Ubuntu)
Just run
sudo sed -i -r 's/([a-z]{2}.)?archive.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
and
sudo sed -i -r 's/security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list