git 解决出现 Permission denied 的办法

1、大多数情况是由于github账号没有设置ssh公钥信息所致。 前往 GitHub 网站的"settings"设置ssh公钥

2、报错信息是这样的情况could not lock config file .git/index.lock': Permission denied

请参考stackoverflow

https://stackoverflow.com/questions/7860751/git-fatal-unable-to-create-path-my-project-git-index-lock-file-exists/32804714

https://stackoverflow.com/questions/10340581/trouble-setting-up-tower-with-my-github-account-error-could-not-lock-config-f

sudo chown myusername -R .git/