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I an running into a common issue with trying to maintain and install packages for Ubuntu 20.04, with the following error being returned:

0% [Connecting to au.archive.ubuntu.com (2001:388:30bc:cafe::beef)]

So, first and foremost I just blamed IPv6 as the issue, so went to disable this with the following command:

sudo nano /etc/apt/apt.conf.d/99force-ipv4

Adding the value:

Acquire::ForceIPv4 "true";

Then I proceeded with the following to disable IPv6 on the system entirely:

sudo nano /etc/sysctl.d/99-sysctl.conf

Then added the following into the configuration file:

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Then I re-loaded:

sudo sysctl -p

Then, I ran an apt update -y to ensure my packages are updated. Here I an seeing that the repository IPv4 is now being shown, but I still cannot connect to it:

Get:1 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]       
Hit:2 https://apt.enpass.io stable InRelease                                                                            
Hit:3 https://packages.cisofy.com/community/lynis/deb stable InRelease                                                                         
Err:4 http://au.archive.ubuntu.com/ubuntu focal InRelease                                                                                            
  Could not connect to au.archive.ubuntu.com:80 (202.158.214.106), connection timed out
Err:5 http://au.archive.ubuntu.com/ubuntu focal-updates InRelease
  Unable to connect to au.archive.ubuntu.com:http:
Err:6 http://au.archive.ubuntu.com/ubuntu focal-backports InRelease
  Unable to connect to au.archive.ubuntu.com:http:

So as far as I understand, I am being redirected to my nearest mirror that's being best-sourced for my system. How/is there a method wherein I can test to see the availability of the mirror, or even default to another location based on a failure to connect?

DankyNanky
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1 Answers1

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It weirdly looks like a "common" problem for Australian users going to the Australian mirrors: https://bugs.launchpad.net/ubuntu/+bug/162865 Per the bug ticket, contact mirrors@ubuntu.com with your traceroutes and debugging.

In the meantime, you can swap out the mirrors in your /etc/apt/sources.list for a non-Australian mirror.

Brian Turek
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