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I am unable to update my Ubuntu repositories. The command apt-get update gives following errors

W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty-updates/InRelease  Unable to find expected entry 'main/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
W: Failed to fetch http://ppa.launchpad.net/hugin/hugin-builds/ubuntu/dists/trusty/InRelease Unable to find expected entry 'main/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
W: Failed to fetch https://deb.opera.com/opera-stable/dists/stable/InRelease  Unable to find expected entry 'non-free/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
W: Failed to fetch https://packagecloud.io/slacktechnologies/slack/debian/dists/jessie/InRelease Unable to find expected entry 'main/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
W: Failed to fetch http://ppa.launchpad.net/rabbitvcs/ppa/ubuntu/dists/trusty/Release  Unable to find expected entry 'main/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/trusty/Release  Unable to find expected entry 'main/binary-aarch64/Packages' in Release file (Wrong sources.list entry or malformed file)
E: Some index files failed to download. They have been ignored, or old ones used instead

This is my sources.list file

###### Ubuntu Main Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty main universe multiverse  
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty main universe multiverse 

###### Ubuntu Update Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main universe multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ trusty-updates main universe multiverse

EDIT:

This is the output of dpkg --print-foreign-architectures

i386
aarch64
armhf
Ahmed_Faraz
  • 103

1 Answers1

1

"aarch64" is listed as a foreign architecture. This is not an architecture name in ubuntu. Open a terminal and run:

sudo apt-get remove --purge `dpkg --get-selections | grep aarch64 | awk '{print $1}'`
sudo dpkg --remove-architecture aarch64.
ravery
  • 6,874
  • it gives following warning dpkg: error: cannot remove architecture 'aarch64' currently in use by the database – Ahmed_Faraz Nov 21 '17 at 08:00
  • Does this return results? dpkg --get-selections | grep aarch64 | awk '{print $1}' – ravery Nov 21 '17 at 08:32
  • Yeah I followed this link https://askubuntu.com/questions/66875/how-to-disable-multiarch-support to remove aarch64 packages which were installed. Then i was able to remove aarch64 architecture and updated the repositories successfully – Ahmed_Faraz Nov 21 '17 at 10:18