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SSHログインできない時(Permission denied (publickey,gssapi-keyex,gssapi-with-mic))のとある解決策

Last updated at Posted at 2015-05-12

SSHでエラー

ssh -vvv login_user@host
...
debug1: No more authentication methods to try.
Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

上記は原因が多く考えられるエラーであり、直すのが大変。
中でも見落とされやすいのが、~/.ssh/authorized_keys所有者がrootだったりした場合。
authorized_keysの所有者はログインするユーザでなければならないため、

chown login_user ~/.ssh/authorized_keys

とする必要がある。

参考(SSH接続の基本的な設定などもこちらで)

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