You should also periodically prune your list of snapshots with the ec2-delete-snapshot command.
您也可以使用ec2-delete-snapshot命令定期整理您的快照列表。
The second command uses the ec2-describe-instances command, which lists all the running instances.
第二条命令使用ec2-describe-instances 命令，该命令列示所有正在运行的实例。
The number of job servers is gleaned from the length of the .ec2-job file that contains the instance IDs of the dynamically run servers.
这个作业服务器数是从包含动态运行服务器实例ID的 .ec2-job文件长度计算得来的。
Note that the ec2-register command is not distributed with the AMI, so it's easiest to run it from the server where you started the original AMI.
注意，ec2-register 并不与这个AMI 一起分发，因此从您启动原始 AMI的服务器运行它是最简单的方法。
All EC2 command-line tools installed.
已安装所有ec2的命令行工具。
Lower latency from EC2 instances to their clients.
降低从ec2实例到其客户的响应时间。
One EC2 instance can have several attached volumes.
一个EC2实例可以同时有若干个附属卷。
Now watch how EC2 makes using servlets a breeze too.
现在看看在EC2上使用servlet是多么容易。
For example, users can use Elastic Load Balancing with EC2.
例如，用户可以在EC2中使用Elastic负载平衡。
A volume can only be attached to one EC2 instance at a time.
一个卷只能同时附属于一个EC2实例。
EC2 is powered by the open source Xen virtualization software.
EC2采用开放源码的xen虚拟化软件。
Amazon EC2 USES public server pools in the infrastructure cloud.
AmazonEC2在基础设施云中使用公共服务器池。
For private3, you are communicating with a host using Amazon EC2.
对于private3，您正在使用Amazon EC2与一个主机进行通信。
This section explores the concepts that underpin the EC2 framework.
本节介绍支撑ec2框架的概念。
All your Beanstalk EC2 instances are running behind a load balancer.
所有BeanstalkEC2实例都正运行在负载平衡器后面。
First, you'll need to find an EC2 AMI that'll work as a base instance.
首先，您需要找到一个充当基本实例的EC2AMI。
A more detailed introduction of EC2 is out of the scope of this article.
对ec2的详细介绍超出了本文的范围。
It runs on top of Amazon EC2, so computing power can expand elastically.
它在AmazonEC2之上运行，所以可以弹性地扩展计算能力。
They are the heart of the elastic computing environment provided by EC2.
它们是EC2提供的弹性计算环境的核心。
The Amazon EC2 service allows you to pay for a virtual machine (VM) by the hour.
AmazonEC2服务允许您按小时支付一台虚拟机（VM）费用。
EC2 standard large instance (64-bit, 4 ECUs, 7.5 GB of memory, 850GB instance storage)
EC2标准大型实例（64位、4ECU、7.5GB内存、850GB 实例存储）
ElasticFox is a Firefox extension that allows your to manage your Amazon EC2 resources.
ElasticFox是一个Firefox扩展，允许您管理您的AmazonEC2资源。
Many software providers have partnered with Amazon to help their customers leverage EC2.
很多软件提供商都与Amazon 有过合作以帮助其客户充分利用 EC2。
The Beanstalk environment supports a full Tomcat server running on an EC2 virtual server.
Beanstalk环境支持运行在EC2虚拟服务器上的完全Tomcat服务器。
The major reason for choosing EC2 was the cloud API which allows adding servers at any time.
选择EC2最主要的原因在于其cloudAPI，这样我们就能随时增加服务器了。
Amazon EC2 is playing a role as the IaaS in these layers and provides users virtualized hosts.
AmazonEC2在这些层中作为IaaS，向用户提供虚拟的主机。
Governance of Amazon EC2 can therefore be seen as an example of governance of virtual machines.
因此，AmazonEC2的治理可以看作是虚拟机治理的一个例子。
This assumes that you've already set up a key pair to access EC2 instances in the relevant region.
这是假设你已经设置了一个密钥来访问相关区域EC2实例。
Running an image on EC2 requires an additional fee based on the amount of time spent in the cloud.
在EC2上运行镜像还需要按照使用云的时间付额外的费用。
Amazon EC2 calls these instances security groups and has API calls and commands to manipulate them.
AmazonEC2调用这些安全组并使用API调用和命令来操作它们。
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