1. ###传递文件
    2. [root@localhost ~]# scp abc.txt  root@192.168.200.133:/root/
    3. The authenticity of host '192.168.200.133 (192.168.200.133)' can't be established.
    4. ECDSA key fingerprint is SHA256:cgOcmdXRgISyIWZj9qJshfy83uCWdYyFS0S25ugsZvg.
    5. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
    6. Warning: Permanently added '192.168.200.133' (ECDSA) to the list of known hosts.
    7. root@192.168.200.133's password:
    8. abc.txt                                                     100%   25    15.4KB/s   00:00
    11. ###生成rsa密钥
    12. [root@localhost ~]# ssh-keygen -t rsa
    13. Generating public/private rsa key pair.
    14. Enter file in which to save the key (/root/.ssh/id_rsa):
    15. Enter passphrase (empty for no passphrase):
    16. Enter same passphrase again:
    17. Your identification has been saved in /root/.ssh/id_rsa.
    18. Your public key has been saved in /root/.ssh/id_rsa.pub.
    19. The key fingerprint is:
    20. SHA256:8502BX98F3zXkmWYdQgmlz6YZRiiay8ULw+iAnRlbMM root@localhost.localdomain
    21. The key's randomart image is:
    22. +---[RSA 3072]----+
    23. |    oo  . oo+o ==|
    24. |    oE . ..++ =+o|
    25. | . .. +    *. oo+|
    26. |. .    +  o oo o+|
    27. |.   . * S    .o =|
    28. |.  . + = o . o .o|
    29. |. .   . o . =    |
    30. | .     .   . .   |
    31. |                 |
    32. +----[SHA256]-----+
    37. #### 将公钥传递到另一台服务器上
    38. [root@localhost ~]# ssh-copy-id -i ~/.ssh/id_rsa.pub  192.168.200.133
    39. /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"
    40. /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
    41. /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
    42. root@192.168.200.133's password:
    44. Number of key(s) added: 1
    46. Now try logging into the machine, with:   "ssh '192.168.200.133'"
    47. and check to make sure that only the key(s) you wanted were added.
    50. ####免密传输 scp -r 传递文件夹
    51. [root@localhost ~]# scp test.txt root@192.168.200.133:/root/
    52. test.txt                                                                                    100%   31    26.2KB/s   00:00
    53. [root@localhost ~]#