检查电脑是否生成ssh的key

1.cd到目录

cd ~/.ssh 

2.查看所有文件

ls -al ~/.ssh

3.如果结果列表中包含以下文件，就说明你的电脑已经具有key， 则不需要在生成新的KEY， 可以直接使用。

id_dsa.pub 
id_ecdsa.pub 
id_ed25519.pub 
id_rsa.pub

4.打开id_rsa.pub得到key

more id_rsa.pub

5.如果不存在， 则需要创建新的Key来使用

ssh-keygen -t rsa -C “your email“(注意输入你自己的邮箱)

结果：

Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /Users/student07/.ssh/id_rsa. 
Your public key has been saved in /Users/student07/.ssh/id_rsa.pub. 
The key fingerprint is: 
SHA256:A4uFUfDCmiI1b+5+Lvq7RAM8B9bUPR7mdM2SDZcREow 740912799@qq.com 
The key’s randomart image is: 
+—[RSA 2048]—-+ 
| oo++.. o+B++ | 
| o o.+. E =o= | 
| * = += + . | 
| . O + oo | 
|o o * . S | 
|.. + . . | 
| o | 
| o. . | 
| .+**. | 
+—-[SHA256]—–+