shivam-19mishra
May 3rd, 2016, 12:58 PM
I recently upgraded to 16.04 LTS; After cstate = 1 all was fine until I installed some PPAs for conky and tomahawk, since then I am unable to update using apt-get update or update manager.
This is the message that I get:
W:The repository 'http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
W:The repository 'http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
W:The repository 'http://ppa.launchpad.net/tomahawk/ppa/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:Failed to fetch http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu/dists/xenial/main/binary-amd64/Packages ;404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu/dists/xenial/main/binary-i386/Packages ;404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu/dists/xenial/main/binary-i386/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/tomahawk/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/tomahawk/ppa/ubuntu/dists/xenial/main/binary-i386/Packages 404 Not Found,
E:Some index files failed to download. They have been ignored, or old ones used instead.
Thanks in advance for your help.
This is the message that I get:
W:The repository 'http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
W:The repository 'http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
W:The repository 'http://ppa.launchpad.net/tomahawk/ppa/ubuntu xenial Release' does not have a Release file.,
W: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.,
W:See apt-secure(8) manpage for repository creation and user configuration details.,
E:Failed to fetch http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu/dists/xenial/main/binary-amd64/Packages ;404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/costamagnagianfranco/ettercap-stable-backports/ubuntu/dists/xenial/main/binary-i386/Packages ;404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu/dists/xenial/main/binary-i386/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/tomahawk/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found,
E:Failed to fetch http://ppa.launchpad.net/tomahawk/ppa/ubuntu/dists/xenial/main/binary-i386/Packages 404 Not Found,
E:Some index files failed to download. They have been ignored, or old ones used instead.
Thanks in advance for your help.