Ubuntu20.04桌面版图文安装(超详细)

参考文档:
https://baijiahao.baidu.com/s?id=1670100505795119581&wfr=spider&for=pc

https://mirrors.tuna.tsinghua.edu.cn/

安装中文支持
按功能键(ctrl和alt中间的键),输入language support,回车
https://blog.csdn.net/sunnywmy/article/details/102683737
https://jingyan.baidu.com/article/b87fe19e56d5575219356873.html

解决Ubuntu当发现自己选择语言时汉语中文是灰色不能选中,安装了中文包也没用时
先添加汉语,装好语言包后把中文的拖到最上面
退出登陆,再重新登陆

Ubuntu 20.04 apt 更换国内源的实现方法
https://www.jb51.net/article/187442.htm

deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security universe
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security multiverse
deb http://archive.ubuntu.com/ubuntu/ trusty main universe restricted multiverse
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原文地址:https://www.cnblogs.com/haima/p/15648928.html