Question

在ubuntu中终端执行sudo apt-get update就显示下列错误是怎么回事 ？

错误:5 http://ppa.launchpad.net/fcitx-team/nightly/ubuntu artful Release
404 Not Found
错误:6 http://ppa.launchpad.net/tsbarnes/indicator-keylock/ubuntu artful Release
404 Not Found
正在读取软件包列表... 完成
E: 仓库 “http://ppa.launchpad.net/fcitx-team/nightly/ubuntu artful Release” 没有 Release 文件。
N: 无法安全地用该源进行更新，所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。
E: 仓库 “http://ppa.launchpad.net/tsbarnes/indicator-keylock/ubuntu artful Release” 没有 Release 文件。
N: 无法安全地用该源进行更新，所以默认禁用该源。
N: 参见 apt-secure(8) 手册以了解仓库创建和用户配置方面的细节。

若以下回答无法解决问题，邀请你更新回答

Answer 1

试试sudo gedit /etc/apt/sources.list
然后把http改成https

或者换用163的源
用#注释掉官方源
deb http://mirrors.163.com/ubuntu/ raring main universe restricted multiverse
deb-src http://mirrors.163.com/ubuntu/ raring main universe restricted multiverse
deb http://mirrors.163.com/ubuntu/ raring-security universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ raring-security universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ raring-updates universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ raring-proposed universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ raring-proposed universe main multiverse restricted
deb http://mirrors.163.com/ubuntu/ raring-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ raring-backports universe main multiverse restricted
deb-src http://mirrors.163.com/ubuntu/ raring-updates universe main multiverse restricted