blocks|key|646595|text|您需要首先创建一个密钥对-使用您的EC2控制台创建密钥对。然后，使用您选择的ec2-user客户机，使用您的私钥SSH进入服务器(用户名是SSH+)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|646596|一旦进入，您可以发出一个sudo+su+-来获得根用户(注意:您不能直接以根用户身份登录)。|646597|entityMap^0|12|8|0|C|9|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

You need to create a key pair first - do that using your EC2 console. Then use your private key to SSH into the server (the username is <code>ec2-user</code>) using a SSH client of your choice. 

Once in, you can issue a <code>sudo su -</code> to gain root if you want (note: you cant log in as root directly).

blocks|key|646624|text|注意，13.04的当前用户是"ubuntu“ssh+-i。/mykey.pem+ubuntu@ec2-xxx-xxx-xxx-1.compute-1.amazonaws.com|type|unstyled|depth|inlineStyleRanges|entityRanges|data|646625|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Note, the current user for 13.04 is "ubuntu"
ssh -i ./mykey.pem ubuntu@ec2-xxx-xxx-xxx-1.compute-1.amazonaws.com

blocks|key|863942|text|ssh+-i+/path/to/private-key+ubuntu@<ec2-public-dns-address>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|863943|只需使用ubuntu而不是root。你的问题就解决了。干杯!|unstyled|offset|length|style|CODE|863944|entityMap^0|0|4|6|D|4|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]|$G|Q|H|R|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|S|8|@]|9|@]|A|$]]]|L|$]]

<pre><code>ssh -i /path/to/private-key ubuntu@&lt;ec2-public-dns-address&gt;
</code></pre>

just use <code>ubuntu</code> instead of <code>root</code>. Your problem will be solved.
Cheers!

blocks|key|646673|text|没有作为您的操作系统发行版的正确用户登录可能是问题所在。对于某些新的AMI，用户名可能不是"ubuntu"，而是"ec2-user“。例如，对于Amazon+Linux，我认为用户是"ec2-+user“。Eric+Hammond在这里给出了例子：http://alestic.com/2014/01/ec2-ssh-username|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|646674|我的建议是，尝试：|646675|ssh+-i+/path/to/file.pem+ec2-user@ec2...

ssh+-i+/path/to/file.pem+ubuntu@ec2...

ssh+-i+/path/to/file.pem+root@ec2...|code-block|syntax|javascript|646676|如果您有错误的AMI，您可能只想完全重新启动机器，以便在集群中保持一致性。如果这是你的问题，你可能会想要同样的操作系统发行版，至少在你的linux机器上是这样。|646677|entityMap|0|LINK|mutability|MUTABLE|url|http://alestic.com/2014/01/ec2-ssh-username^0|3G|17|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|Z|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|C|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

Not logging in as the correct user for you OS Distro could be the issue. For certain new AMI, the username may not be "ubuntu", but "ec2-user". For Amazon Linux, for instance I believe the user is "ec2-user". Eric Hammond gives examples here: <a href="http://alestic.com/2014/01/ec2-ssh-username" rel="nofollow">http://alestic.com/2014/01/ec2-ssh-username</a>

My suggestion, try:

<pre><code>ssh -i /path/to/file.pem ec2-user@ec2...

ssh -i /path/to/file.pem ubuntu@ec2...

ssh -i /path/to/file.pem root@ec2...
</code></pre>

If you have the wrong AMI, you might just want to restart the machine altogether so you have uniformity amongst your clusters. If this is your problem, you'll probably want the same OS Distro's at least for your linux boxes.

blocks|key|646717|text|按照所有这些答案中的建议去做是不够的。针对每个实例，您会看到一个安全组。当你启动一个新的实例时，你会将这个设置为default。您需要编辑安全组并添加ssh端口。稍后，当您想要托管您的网站时，还需要添加8080、8443、80、443端口。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|646718|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Doing what is suggested in all these answers is not enough. Against each instance you see a security group. When you launch a new instance, you will have this thing set to default. You need to edit the security group and add the ssh port it. Later you need to add the 8080, 8443, 80, 443 ports also when you want to host your website.

blocks|key|864099|text|如果您使用的是MacOS，您应该创建/编辑SSH配置文件(~/.ssh/config)，并将如下内容放入：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|864100|Host+*.amazonaws.com
++++User+ubuntu
++++Port+22
++++StrictHostKeyChecking+no
++++UserKnownHostsFile=/dev/null
++++IdentityFile+~/PATH/YOUR_DOWNLOADED_KEY.pem|code-block|syntax|javascript|864101|然后连接到任何EC2实例：|864102|ssh+MYNAME.amazonaws.com|864103|没别的了！|864104|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

If you are using MacOS, you should create/edit SSH configuration file (~/.ssh/config) and put something like:

<pre><code>Host *.amazonaws.com
 User ubuntu
 Port 22
 StrictHostKeyChecking no
 UserKnownHostsFile=/dev/null
 IdentityFile ~/PATH/YOUR_DOWNLOADED_KEY.pem
</code></pre>

Then to connect to any of EC2 instances:

<pre><code>ssh MYNAME.amazonaws.com
</code></pre>

Nothing more!

blocks|key|864174|text|我接受了AWS的提议，使用包括“所有传输”端口的默认安全组。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|864175|而且，在多次尝试连接我的新ec2实例之后，我刚刚意识到我应该编辑我使用的安全组，并手动添加入站和出站22端口(+ssh+)！|864176|希望它能帮上忙！|864177|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

I Accepted AWS offer to use the default security groups which included 'All Trafic' ports.

And, after many and many times trying to connect on my new ec2 instance, I just realized that I should edit my used security group and manually add to inbound and outbound the 22 port ( ssh ) !

Hope it helps !

I need SSH access to an Amazon EC2 instance running Ubuntu 10.4. All I have is the Amazon username and password. Any ideas?

How do I set up SSH access for an Amazon EC2 instance?

我需要SSH访问运行Ubuntu10.4的亚马逊EC2实例。我只有亚马逊的用户名和密码。有什么想法吗？

问如何为亚马逊EC2实例设置SSH访问？
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