解決linux中ssh登陸Warning:Permanently added (RSA) to the list of known hosts

緣由:ssh

在執行scp id_rsa.pub root@hostname:/root/.ssh這一步時,沒在本機的/root/.ssh下生成known_hosts文件。spa

 

解決方案:ci

vi /etc/ssh/ssh_configget

最後有兩行是it

         StrictHostKeyChecking norsa

         UserKnownHostsFile /dev/nullhosts

把這兩行註釋掉並保存文件註釋

再次執行scp id_rsa.pub root@host141:/root/.sshtab

出現提示文件

The authenticity of host 'host141 (172.20.0.141)' can't be established.

RSA key fingerprint is a0:09:89:d2:3b:aa:91:60:59:7f:7f:bc:03:31:b0:09.

Are you sure you want to continue connecting (yes/no)? 

輸入yes後,則可看到在/root/.ssh目錄下生成了known_hosts文件:

[root@SamuluIndex .ssh]# ls

id_rsa  id_rsa.pub  known_hosts

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