git

一共有三个关键步骤： 生成新的私钥 上传公钥到github 修改本地ssh配置 Mac pro迁移后，本地的 github 私钥忘记是哪个，重新生成一个新的私钥放在一个新目录。（怕覆盖了原来的私钥，其他应用受影响） 1. 生成新的私钥 ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/Users/<default>/.ssh/id_rsa): <your new path>/id_rsa Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in <your new path>/id_rsa. Your public key has been saved in <your new path>/id_rsa.pub. The key fingerprint is: ... ... 注意指定一个新的目录 <your new path>