如何删除本地 git 中未追踪的文件/文件夹
git clean/delete untracked files, folders
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问题表现 可以通过浏览器正常访问github.com。 命令行中执行 git pull 时出现以下错误： 1 2 ssh: connect to host github.com port 22: Operation timed out fatal: Could not read from remote repository. 核心解决步骤 第一步：验证 SSH 端口封锁 1 nc -vz github.com 22 预期正常响应：Connected to github.com... 异常响应：Operation timed out 表示端口 22 被阻断: nc: connectx to github.com port 22 (tcp) failed: Operation timed out 第二步：配置 SSH over 443 端口 创建 SSH 配置文件 1 vi ~/.ssh/config 写入配置内容 Host github.com Hostname ssh.github.com Port 443 User git 第三步：测试新配置 1 ssh -T git@github.com 如果有询问是否修改known_hosts, 输入 yes ： 1 2 3 This host key is known by the following other names/addresses: ~/.ssh/known_hosts:28: github.com Are you sure you want to continue connecting (yes/no/[fingerprint])? yes 成功标志：Hi username! You've successfully authenticated... 补充方案 使用 HTTPS 协议代替 SSH 1 git config --global url."https://github.com/".insteadOf git@github.com: