13.10から14.04にアップグレードしてから、インストール、更新、アップグレードなどを行うたびにこれらの迷惑なメッセージが表示されます。
N: Ignoring file 'webupd8team-java-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'bumblebee-stable-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'steam.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'ubuntu-x-swat-x-updates-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'xorg-edgers-ppa-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'webupd8team-java-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'bumblebee-stable-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'steam.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'ubuntu-x-swat-x-updates-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'xorg-edgers-ppa-raring.list.disable' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
メッセージに記載されている根本的な問題を修正するにはどうすればよいですか?
編集:時々、上記のメッセージに追加のメッセージが追加されます:
W: GPG error: http://www.duinsoft.nl debs Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E18CE6625CB26B26
W: Failed to fetch http://ppa.launchpad.net/person/ppa/ubuntu/dists/karmic/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/person/ppa/ubuntu/dists/karmic/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
そして時々、私は他の人かもしれませんが、正確なメッセージを見つけることができなくなりました。