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私が作成したばかりのUbuntuインスタンスはAmazon AWSです。 SSH経由で接続するには、その指示にAWS - SSH経由で接続できません - 「権限が拒否されました（公開鍵）」
（彼らはあなた自身の偶然にとの指示を提供する）、彼らは言う：
To access your instance:
Open an SSH client. (find out how to connect using PuTTY)
Locate your private key file (my.experiments.com.pem). The wizard automatically detects the key you used to launch the instance.
Your key must not be publicly viewable for SSH to work. Use this command if needed:
chmod 400 my.experiments.com.pem
Connect to your instance using its Public DNS:
ec2-13-58-23-167.us-east-2.compute.amazonaws.com
Example:
ssh -i "my.experiments.com.pem" [email protected]
その後、私が行います
$ ssh -vvv -i "my.experiments.com.pem" [email protected]
、その後、私が手：
debug2: resolving "ec2-13-58-23-167.us-east-2.compute.amazonaws.com" port 22
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to ec2-13-58-23-167.us-east-2.compute.amazonaws.com [13.58.23.167] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file my.experiments.com.pem type -1
debug1: key_load_public: No such file or directory
debug1: identity file my.experiments.com.pem-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.5
debug1: Remote protocol version 2.0, remote software version OpenSSH_7.2p2 Ubuntu-4ubuntu2.2
debug1: match: OpenSSH_7.2p2 Ubuntu-4ubuntu2.2 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to ec2-13-58-23-167.us-east-2.compute.amazonaws.com:22 as 'ubuntu'
debug3: hostkeys_foreach: reading file "/home/George/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /home/George/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from ec2-13-58-23-167.us-east-2.compute.amazonaws.com
debug3: order_hostkeyalgs: prefer hostkeyalgs: [email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: [email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected],zlib
debug2: compression stoc: none,[email protected],zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: [email protected]
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:8iA/gquNIyDIY9t1CjUTP1GrkEcZs24QZr8LB2v4aEQ
debug3: hostkeys_foreach: reading file "/home/George/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /home/George/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from ec2-13-58-23-167.us-east-2.compute.amazonaws.com
debug3: hostkeys_foreach: reading file "/home/George/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /home/George/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from 13.58.23.167
debug1: Host 'ec2-13-58-23-167.us-east-2.compute.amazonaws.com' is known and matches the ECDSA host key.
debug1: Found key in /home/George/.ssh/known_hosts:3
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: my.experiments.com.pem (0x0), explicit
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<rsa-sha2-256,rsa-sha2-512>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: my.experiments.com.pem
debug3: sign_and_send_pubkey: RSA SHA256:liwduQln1POAMqbxk05dlG2yYLzGCmb4gTK3ERUYOJs
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug2: we did not send a packet, disable method
debug1: No more authentication methods to try.
Permission denied (publickey).
私は彼らが何をお勧めしたのですか：
$ chmod 400 my.experiments.com.pem
私は、ファイルの変換Puttyに接続しようとしました：puttygen.exeとmy.experiments.com.pemmy.experiments.com.ppkへ（パテ秘密鍵）が、無成功を。パテを使用して、接続しようとするとエラーポップアップウィンドウにDisconnected: No supported authentication methods available (server sent: publickey)が表示されます。
[EDIT 1]
次の画像上で見ることができるように、インスタンスが鍵ペアで発売されました：aws.playmeetup.com。それが言う
：上で示唆したように、あなたがインスタンスを立ち上げたときに選択した鍵のペアに対応する秘密鍵ファイルを使用していることを確認してください。
ワークステーションはWindowsですか？ – gview
AWSのUbuntuインスタンスです。だから、彼らは私に上記の接続ユーザを与える理由です： 'SSHを介して接続する' ubuntu '。 – davidesp
@davidespしかし、あなたのワークステーションはどうですか？つまり、どのOSからEC2インスタンスに接続しようとしていますか？ –