Err:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
403 Forbidden [IP: 91.189.91.26 80]
Err:2 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu bionic InRelease
403 Forbidden [IP: 91.189.95.83 80]
Err:3 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu bionic InRelease
403 Forbidden [IP: 91.189.95.83 80]
Err:4 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu bionic InRelease
403 Forbidden [IP: 91.189.95.83 80]
Err:5 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu bionic InRelease
403 Forbidden [IP: 91.189.95.83 80]
Err:6 http://archive.ubuntu.com/ubuntu bionic InRelease
403 Forbidden [IP: 91.189.88.162 80]
Err:7 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
403 Forbidden [IP: 91.189.88.162 80]
Err:8 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
403 Forbidden [IP: 91.189.88.162 80]
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N: See apt-secure(8) manpage …Run Code Online (Sandbox Code Playgroud) 我正在处理 usr/lib 和 usr/include 中的一些文件,我不小心删除了 ubuntu 的 wchar.h 头文件。有什么方法可以检索文件或在线获取文件?