Putty使用祕鑰認證時,報錯:Disconnected: No supported authentication methods available(server sent: publickey,gssapi-keyex,gssapi-with-mic)
如截圖:
1、.ssh文件夾權限設置 chmod -R 700 .ssh
2、關閉SElinux
3、ssh配置問題
找了半天沒找到問題出在哪裏,sshd的設置一切正常。這個做過多次居然也能錯????
最後發現原來是 ~/.ssh/authorized_keys 文件的內容有問題,putty生成的pub文件的格式如下:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "rsa-key"
AAAAB3NzaC1yc2EAAAABJQAAAQEAvifBFJzxK0PGJVNV9ZdDGOYWvytwnFDKoaZv
Djdt7rEK+zeFzR6eU7ERhOjMPb7GfoFU/1JPwXqSN2p57T4xdtR/Qi9/XAhmQ9SY
XnfA1yNOhHXoQuoCEjOmIbOo+NmZCoKPeBob7fXV8Ar7MmJ0vUpZ+79Usm9lsvQF
zEfI/Q1NuaVoOb7s6CFyj9WcmX7Yzc3cXpIHeFzLfLTFFROohw==
---- END SSH2 PUBLIC KEY ----
而原來設置的都是在一行的格式,所以openssh不支持putty生成的此格式,需要把這些合併成一行即可:
ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAvifBFJzxK0PGJVNV9ZdDGOYWvytwnFDKoaZvDjdt7rEK+zeFzR6eU7ERhOjMPb7GfoFU/1JPwXqSN2p57T4xdtR/Qi9/XAhmQ9SYXnfA1yNOhHXoQuoCEjOmIbOo+NmZCoKPeBob7fXV8Ar7MmJ0vUpZ+79Usm9lsvQFzEfI/1NuaVoOb7s6CFyj9WcmX7Yzc3cXpIHeFzLfLTFFROohw== rsa-key