• Putty使用公钥认证时,报错:Disconnected: No supported authentication methods available(server sent:public key) 问题的解决


    Putty使用公钥认证时,按照常规方法设置,一直报错:Disconnected: No supported authentication methods available (server sent:public key)。

    如截图:

    putty-error

    找了半天没找到问题出在哪里,sshd的设置一切正常。这个做过多次居然也能错????

    最后发现原来是 ~/.ssh/authorized_keys 文件的内容有问题,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 ----

    而原来设置的都是在一行的格式,所以openssh不支持putty生成的此格式,需要把这些合并成一行即可:

    ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAvifBFJzxK0PGJVNV9ZdDGOYWvytwnFDKoaZvDjdt7rEK+zeFzR6eU7ERhOjMPb7GfoFU/1JPwXqSN2p57T4xdtR/Qi9/XAhmQ9SYXnfA1yNOhHXoQuoCEjOmIbOo+NmZCoKPeBob7fXV8Ar7MmJ0vUpZ+79Usm9lsvQFzEfI/1NuaVoOb7s6CFyj9WcmX7Yzc3cXpIHeFzLfLTFFROohw== rsa-key

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  • 原文地址:https://www.cnblogs.com/moonfans/p/3910034.html
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