1. 进入一台ubuntu服务器ubuntu1

   
   

2. 2

   ssh-keygen -t rsa #一直回车

   
   

3. 3

   cd .ssh

4. 4

   cat id_rsa.pub >> authorized_keys

   
   

5. 5

   #将生成的公钥传到ubuntu2机器

   scp id_rsa.pub ubuntu@ubuntu2:/home/ubuntu/opt/id_rsa.pub

   
   

6. 6

   #进入ubuntu2机器

   cd ~

7. 7

   ssh-keygen -t rsa #一直回车

   
   

8. 8

   cd .ssh

   
   

9. 9

   cat id_rsa.pub >> authorized_keys

   
   

10. 10

    #完成ubuntu1到ubuntu2的无密码访问

    cat /home/ubuntu/opt/id_rsa.pub >>authorized_keys

    
    

11. 11

    #将ubuntu2的公钥传到ubuntu1

    scp id_rsa.pub ubuntu@ubuntu1:/home/ubuntu/opt/id_rsa.pub

    
    

12. 12

    #进入ubuntu1机器

    cd ~/.ssh

    
    

13. 13

    #完成ubuntu2到ubuntu1的无密码访问

    cat /home/ubuntu/opt/id_rsa.pub >>authorized_keys

本文出自 “XFICC” 博客，请务必保留此出处http://xficc.blog.51cto.com/1189288/1565859

配置ssh无密码访问