拉取代码ssh设置

(1)ls -al ~/.ssh 查看是否存在

(2)mkdir ~/.ssh 如果不存在新建.ssh文件夹

(3)cd ~/.ssh

ssh-keygen -t rsa -C "youxiang" (引号是英文下的)

(4)查看公钥 cat id_rsa.pub

pbcopy >id_rsa.pub