在服务器添加完公钥后报错

1	sign_and_send_pubkey: signing failed: agent refused operation

　　这个时候我们只要执行下

1 2	eval  "$(ssh-agent -s)" ssh-add

 

ssh-copy-id -i /root/.ssh/id_rsa.pub student@172.16.10.10
报错/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/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
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

[root@www .ssh]# ssh-keygen -R 172.16.10.10
# Host 172.16.10.10 found: line 1
/root/.ssh/known_hosts updated.
Original contents retained as /root/.ssh/known_hosts.old

 

Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
PasswordAuthentication no
改成yes