大家好我正在使用Ubuntu 16.04 LTS，每当我运行sudo apt-get update时，我得到了以下回复：
Reading package lists... Done
W: The repository 'http://de.archive.ubuntu.com/ubuntu main Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://de.archive.ubuntu.com/ubuntu -security Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://de.archive.ubuntu.com/ubuntu -updates Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://downloads.scylladb.com/deb/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://security.debian.org jessie/updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9D6D8F6BC857C906 NO_PUBKEY 8B48AD6246925553
W: The repository 'http://security.debian.org jessie/updates InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://ftp.ca.debian.org/debian jessie-updates InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
W: The repository 'http://ftp.ca.debian.org/debian jessie-updates InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://ftp.ca.debian.org/debian jessie-backports InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
W: The repository 'http://ftp.ca.debian.org/debian jessie-backports InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://ftp.ca.debian.org/debian jessie Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 NO_PUBKEY CBF8D6FD518E17E1
W: The repository 'http://ftp.ca.debian.org/debian jessie Release' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/main/restricted/source/Sources 404 Not Found [IP: 141.30.62.23 80]
E: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/-security/main/source/Sources 404 Not Found [IP: 141.30.62.23 80]
E: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/-updates/main/source/Sources 404 Not Found [IP: 141.30.62.23 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
我在启动图标中还遇到另一个问题：无法加载包列表
我尝试了一切，没有任何对我有用。请帮助我
答案 0 :(得分：0)
创建一个新的/etc/apt/sources.list 与https://repogen.simplylinux.ch 并执行
sudo apt-get update