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如何通过ssh连接到AWS实例？

我有:

1. 在AWS注册;
2. 在AWS网站上创建公钥和证书并将其保存到磁盘;

3. 去了我的控制台并创建了环境变量:

   $ export JAVA_HOME=/usr/lib/jvm/java-6-openjdk/
   $ export EC2_CERT=/home/default/aws/cert-EBAINCRNWHDSCWWIHSOKON2YWGJZ5LSQ.pem
   $ export EC2_PRIVATE_KEY=/home/default/aws/pk-EBAINCRNWHDSCWWIHSOKON2YWGJZ5LSQ.pem
   

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4. 告诉AWS API使用此密钥对并将密钥对保存到文件:

   $ ec2-add-keypair ec2-keypair > ec2-keypair.pem
   

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5. 使用此密钥对启动AWS Ubuntu 9实例:

   $ ec2-run-instances ami-ed46a784 -k ec2-keypair
   

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6. 尝试与实例建立ssh连接:

   $ ssh -v -i ec2-keypair.pem ubuntu@ec2-174-129-185-190.compute-1.amazonaws.com
   OpenSSH_5.1p1 Debian-5ubuntu1, OpenSSL 0.9.8g 19 Oct 2007
   debug1: Reading configuration data /etc/ssh/ssh_config
   debug1: Applying options for *
   debug1: Connecting to ec2-174-129-185-190.compute-1.amazonaws.com [174.129.185.190] port 22.
   debug1: Connection established.
   debug1: identity file ec2-keypair.pem type -1
   debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-5ubuntu1
   debug1: …

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