http://archive.ubuntu.com/ubuntu xenial/main amd64 tmux amd64 2.1-3build1 403 Forbidden

今天在更新ubuntu的时候出现了下面的错误：

Err:1 http://security.ubuntu.com/ubuntu xenial-security/main amd64 libevent-2.0-5 amd64 2.0.21-stable-2ubuntu0.16.04.1
  403  Forbidden
Err:2 http://archive.ubuntu.com/ubuntu xenial/main amd64 tmux amd64 2.1-3build1
  403  Forbidden
Err:1 http://security.ubuntu.com/ubuntu xenial-security/main amd64 libevent-2.0-5 amd64 2.0.21-stable-2ubuntu0.16.04.1
  403  Forbidden
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libevent/libevent-2.0-5_2.0.21-stable-2ubuntu0.16.04.1_amd64.deb  403  Forbidden

E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/t/tmux/tmux_2.1-3build1_amd64.deb  403  Forbidden

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
......

解决方法

sed -i s/http/ftp/ /etc/apt/sources.list && apt-get update

参考文献

[1].Getting 403 forbidden error in sudo apt-get update. https://unix.stackexchange.com/questions/226775/getting-403-forbidden-error-in-sudo-apt-get-update