Linux ssh: connect to host github.com port 22: Connection refusedcd /etc/hosts末行增加github域名映射140.82.113.4 github.com References：https://zhuanlan.zhihu.com/p/521340971版权声明：本文为qq_42972648原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/qq_42972648/article/details/128412330