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Ani
Asked: 2021-10-01 04:40:31 +0800 CST

For apt to use local cache - apt-cacher-ng

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I have a host where I have installed apt-cacher-ng and copied over a pre-populated cache under /var/cache/apt-cacher-ng. I see that the service is running with no errors. However, when I try to download something, apt still seems to try and use archive.ubuntu.com ! This host does not have network connectivity. How can I make sure to tell apt to use only the local cache ?

I have also added the following config:

$ cat /etc/apt/apt.conf.d/99_local_proxy.conf
Acquire::http::Proxy "http://localhost:3142/";
Acquire::ForceIPv4 "true";
Acquire::Retries "3";

This is the error I get:

W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/bionic/InRelease  503  DNS error for hostname us.archive.ubuntu.com: Temporary failure in name resolution. If us.archive.ubuntu.com refers to a configured cache repository, please check the corresponding configuration file. [IP: 127.0.0.1 3142]
18.04

1 Answers

  1. Best Answer

    Sorry, I misunderstood.

    What you want is a personal repository with no traffic to the internet. Even better, it's already been done, documented, and it's up on the Ubuntu wiki.

    Ubuntu Wiki - Personal Repository

    Part of the directions for a personal repository is changing the sources.list to a file path. If there are no network URLs (http/https/ftp) then apt will not go on the network. It will only look in the locations listed in the sources.list file.

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