ubuntu 16.04 http://ppa.launchpad.net/fcitx-team/nightly/ubuntu/dists/xenial/main/binary-amd64/Packa

ubuntu 16.04 http://ppa.launchpad.net/fcitx-team/nightly/ubuntu/dists/xenial/main/binary-amd64/Packa

今天在运行：

sudo apt-get update

出现了有些源404错误：

W: The repository '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: Failed to fetch The following signatures were invalid: KEYEXPIRED 1555048520 KEYEXPIRED 1555048520 KEYEXPIRED 1555048520 KEYEXPIRED 1555048520E: Failed to fetch 404 Not Found [IP: 2001:67c:1560:8008::15 80]W: Some index files failed to download. They have been ignored, or old ones used instead.

解决方法

sudo mv /etc/apt/sources.list.d/fcitx-team-ubuntu-nightly-xenial.list /etc/apt/sources.list.d/citx-team-ubuntu-nightly-xenial.list.baksudo apt-get update

直接把这个源去掉，就没有错误了

参考文献

[1]. Ubuntu 16.04系统下出现E: 无法下载 404 Not Foun

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