关于Github连接缓慢，经常打不开，登录上时不时中断的问题,Ubuntu20已解决亲测

20.205.243.166 github.com
192.133.77.191 github.global.ssl.fastly.net
59.24.3.173 gist.github.com
20.205.243.165 codeload.github.com
185.199.108.153 desktop.github.com
185.199.109.153 guides.github.com
185.199.108.153 blog.github.com
140.82.112.18 status.github.com
185.199.108.153 developer.github.com
185.199.110.153 servives.github.com
140.82.112.21 enterprise.github.com
140.82.113.21 education.github.com
185.199.111.153 pages.github.com
140.82.112.21 classroom.github.com

sudo gedit /etc/hosts

Linux上刷DNS缓存，参考文章https://www.cnblogs.com/a5idc/p/13594833.html