1.本地创建ssh公钥
ssh-keygen -t rsa -b 4096 -C "你的邮箱"
2.将公钥上传目的服务器
1. 如果目的服务器有~/.ssh/
1) ssh端口非22
cat ~/.ssh/id_rsa.pub | ssh -p 目的端口 root@1.1.1.1 "cat >> ~/.ssh/authorized_keys"
2)ssh端口为22
cat ~/.ssh/id_rsa.pub | ssh root@1.1.1.1 "cat >> ~/.ssh/authorized_keys"
2.如果没有 ~/.ssh/
1) ssh端口非22
cat ~/.ssh/id_rsa.pub | ssh -p 目的端口 root@1.1.1.1 "mkdir ~/.ssh; cat >> ~/.ssh/authorized_keys"
2)ssh端口为22
cat ~/.ssh/id_rsa.pub | ssh root@1.1.1.1 "mkdir ~/.ssh; cat >> ~/.ssh/authorized_keys"
如出现下述情况:
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
SHA256:50FL6CJV25iIO9MVBHkhPmIRDglMH2XMSJb0R4YFbNY.
Please contact your system administrator.
删除C:\Users\你的名字\.ssh\known_hosts文件中,服务器ip的那一行
或运行 ssh-keygen -R 服务器端的ip地址
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