1.生成过程参考:Github 生成SSH秘钥(详细教程)_github生成密钥controller节点生成ssh秘钥-CSDN博客
2.遇到的问题:GitHub Connect: kex_exchange_identification: Connection closed by remote host
参考:解决 GitHub Connect: kex_exchange_identification: Connection closed by remote host - 现在网|现在博客-分享、记录生活的点滴
git 常见错误与解决办法_迷途呀的博客-CSDN博客