git连接错误Connection refused

1. 错误：Failed to connect to github.com port 443: Connection refused

1.1. 解决方法

#查询ip地址，或nslookup等方式查询ip
ping github.com
#配置指定ip解析
vi /etc/hosts （添加下dns地址，做域名指定IP解析）

1.2. 参考博文

• https://blog.csdn.net/qq_45435600/article/details/98177142 (Git的错误error: Failed connect to github.com:443;解决办法)
• https://blog.csdn.net/wulitaotao96/article/details/117222499 (解决git clone时的问题：Failed connect to github.com:443；Connection refused)