I'm trying to upgrade a 16.04 system. When I do:

sudo apt-get upgrade

I get:

 Err:1 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libc6-dbg amd64 2.23-0ubuntu9  404  Not Found [IP: 80]

and many more like it.

I did sudo apt-get update, but got similar messages:

E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/xenial/main/binary-arm64/Packages  404  Not Found [IP: 80]

Output of --print-architecture:


Output of --print-foreign-architectures:


I'm pretty new to Ubuntu.

  • 1
    Please use the {} button in the editor (or four spaces at the front of the line) to format terminal blocks. – Chai T. Rex Jan 29 '18 at 22:07
  • 1
    Please add the outputs of dpkg --print-architecture and dpkg --print-foreign-architectures to your question. – Chai T. Rex Jan 29 '18 at 22:12
  • @ChaiT.Rex - Added info. – Craig S. Anderson Jan 29 '18 at 22:38
  • 2
    Possible duplicate of how to get rid of arm64 in apt – Chai T. Rex Jan 29 '18 at 23:50
  • 1
    @ChaiT.Rex - removing the arm64 did fix the problem. However, would like to get it working with the arm64 foreign architecture. – Craig S. Anderson Jan 30 '18 at 1:19

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