Ubuntu新手错误：E: The repository ‘http://security.ubuntu.com/ubuntu hirsute-security Release‘ no longer has a Relea

 

解决方式（利用正则匹配删除即可）：

cp  /etc/apt/sources.list /etc/apt/sources.list.bak
sudo sed -i -re 's/([a-z]{2}\.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list

 重新运行：

sudo apt-get update

恢复正常：