Ubuntu apt-get unable to fetch packages [closed]

Answer 1

After trying all the suggestions given here and other threads like this one I still couldn't get apt_get to work on my Vagrant Ubuntu 16.04. In the end removing the file apt.conf from /etc/apt resolved the issue for me. My remaining files in that directory are:

vagrant@default:~$ ls -l /etc/apt/
total 68
drwxr-xr-x 2 root root  4096 Apr 15 12:20 apt.conf.d
drwxr-xr-x 2 root root  4096 May 21  2019 auth.conf.d
-rw-r--r-- 1 root root    53 Mar 19 19:50 preferences
drwxr-xr-x 2 root root  4096 Apr 14  2016 preferences.d
-rw-r--r-- 1 root root  3166 Sep 10 15:55 sources.list
drwxr-xr-x 2 root root  4096 Sep 10 16:04 sources.list.d
-rw-r--r-- 1 root root 17640 Mar 19 20:04 trusted.gpg
-rw-r--r-- 1 root root 17281 Mar 19 20:01 trusted.gpg~
drwxr-xr-x 2 root root  4096 Sep 10 13:45 trusted.gpg.d

Answer 2

As Tariq Khan suggested, I did the same thing and it worked out..

FIX UBUNTU 14.10 UNICORN APT-GET UPDATE

Backup the repo first

$ sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup 
$ sudo vi /etc/apt/sources.list

rename us.archive or archive in http://us.archive.ubuntu.com/ubuntu/ as http://old-release.ubuntu.com/ubuntu/

rename http://security.ubuntu.com/ubuntu/dists/saucy-security/universe/binary-i386/Packages as http://old-releases.ubuntu.com/ubuntu/dists/saucy-security/universe/binary-i386/Packages

$ sudo apt-get update

Answer 3

Just for the sake of any Googlers, if you're getting this error while building a Docker image, preface the failing RUN command with

apt-get update &&

This happens when Docker uses a cached image. Why the cached image wouldn't have the latest repo information the second time around is totally beyond me, but prefacing every single apt-get with an update does solve the problem.