嘗試通過SSH進入Amazon EC2時出現“權限被拒絕（公鑰）。”

Question

我在AWS上安裝了iPython，可以很好地通過瀏覽器訪問它。 但是，當我嘗試SSH到EC2實例時，出現以下錯誤：

Permission denied (publickey).

我嘗試使用現有的.pem密鑰，以及通過生成新密鑰，仍然沒有任何效果。 這些是我遵循的步驟：

1. $ chmod 700〜/ .ssh
2. cp〜/ desktop / aws / ipython.pem〜/ .ssh / ipython.pem
3. chmod 600〜/ .ssh / ipython.pem
4. ssh -i〜/ .ssh / ipython.pem ubuntu@50.174.xx.xx

在運行ssh命令“ ssh -i〜/ .ssh / ipython.pem ubuntu@50.174.xx.xx -v”時，我得到以下響應：

OpenSSH_6.9p1, LibreSSL 2.1.8
debug1: Reading configuration data /Users/coffeeman/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 20: Applying options for *
debug1: /etc/ssh/ssh_config line 102: Applying options for *
debug1: Connecting to 50.174.xx.xx [50.174.xx.xx] port 22.
debug1: Connection established.
debug1: key_load_public: No such file or directory
debug1: identity file /Users/coffeeman/.ssh/ipython.pem type -1
debug1: key_load_public: No such file or directory
debug1: identity file /Users/coffeeman/.ssh/ipython.pem-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.9
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.6
debug1: match: OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.6 pat OpenSSH_6.6.1* compat 0x04000000
debug1: Authenticating to 50.174.xx.xx:22 as 'ubuntu'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client chacha20-poly1305@openssh.com <implicit> none
debug1: kex: client->server chacha20-poly1305@openssh.com <implicit> none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:uBRsbvwsIcqNN7vUfzpIXd6n7W5cpyGyU0DutxEHJE8E
debug1: Host '50.174.xx.xx' is known and matches the ECDSA host key.
debug1: Found key in /Users/coffeeman/.ssh/known_hosts:10
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /Users/coffeeman/.ssh/id_rsa
debug1: Authentications that can continue: publickey
debug1: Trying private key: /Users/coffeeman/.ssh/ipython.pem
debug1: Authentications that can continue: publickey
debug1: No more authentication methods to try.
Permission denied (publickey).

我究竟做錯了什么？

Answer 1

看來您沒有使用此密鑰創建EC2實例。 這是怎么做的

• 轉到EC2控制台
• 單擊Launch an instance ，然后選擇您的操作系統，實例類型等。
• 您將轉到此窗口

• 從選項列表中選擇“ Create a new key pair ”並為其命名，例如ipython
• 點擊Download keypair
• 將此存儲在〜/ .ssh / ipython.pem中

• 使用SSH通過SSH連接到您的實例

  ssh -i ~/.ssh/ipython.pem your-ip

而且一切都應該沒問題！ :)