版本：ubuntu 22.04
Cannot initiate the connection to cn.archive.ubuntu.com:80 (2403:2c80:5::6). - connect (101: Network is unreachable)
嗯，被墙了。找到 /etc/apt/source.list
替换里面的源为清华源
ubuntu | 镜像站使用帮助 | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror
- unreachable connection initiate archive Networkunreachable connection initiate archive unreachable connect network docker unreachable centos7 network centos connection retrying appears network communication connection nacivate initial connection network refused ubuntu unreachable unreachable undirected leetcode count gssapi gssapi-with-mic gssapi-keyex unreachable archive