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Some APIs that return a potentially large list of records can return a subset by using a value to set the maximum number of returned records. They then provide a marker, which identifies the last record returned so that in a subsequent call, the user can get the next sequence of records.
- Browse Related Terms: Amazon Simple Queue Service (SQS), DB instance identifier, endpoint, hosted zone, message ID, pagination, queue URL, receipt handle, resource record, server-side signature verification, service endpoint
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An Amazon Machine Image (AMI) that you sell to other Amazon EC2 users.
- Browse Related Terms: bundling, explicit launch permission, Image, Instance, launch configuration, launch permission, master node, Node, paid AMI, public AMI, shared AMISHA, supported AMI, Virtual Machine Import/Export
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In a multipart upload request, each part is a contiguous portion of the object's data.
- Browse Related Terms: bucket, delete marker, item, key prefix, multipart upload, null object, Object, part, Secure Hash Algorithm (SHA), versioning
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- See sampling period.
- Browse Related Terms: alarm, Breach, Canonical Name Record (CNAME), function, Period, Query, Representational State Transfer (REST), REST-Query, statistic, string-to-sign, time stamp, visibility timeout
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A statement within a policy that allows or disallows access to a particular resource. You can state any permission like this: "A has permission to do B to C where D applies." For example, Jane (A) has permission to read messages (B) from John's Amazon SQS queue (C), as long as she asks to receive only a maximum of 10 messages from the queue at a time (D). Whenever Jane sends a request to Amazon SQS to use John's queue, the service checks to see if she has permission and if the request satisfies the conditions John set forth in the permission.
- Browse Related Terms: access control list (ACL), access policy language, allow, bucket owner, canned access policy, Condition, default deny, explicit deny, field weight, Issuer, permission, policy, Principal, requester, Requester Pays, Resource
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A long-term data storage solution. Options within AWS are: Amazon S3, Amazon EBS.
- Browse Related Terms: Amazon EBS-backed AMI, Amazon Elastic Block Store (EBS), Amazon Machine Image (AMI), Amazon S3-Backed AMI, block device mapping, DB snapshot, EC2 instance, Elastic Block Store (EBS), ephemeral store, instance store-backed AMI, persistent storage, reservation, root device volume, Snapshot
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A unique label AWS CloudFormation assigns to each resource when creating a stack. Some AWS CloudFormation commands accept the physical name as a value with the --physical-name parameter.
- Browse Related Terms: AWS CloudFormation, AWS Resources, Description property, Filter, member resources, physical name, properties, reference, region, resource property, rollback, Stack
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An open-source Apache library that runs on top of Hadoop. The library takes SQL-like commands written in a language called Pig Latin and converts those commands into MapReduce job flows.
- Browse Related Terms: bootstrap action, Cascading, core node, Hive, instance group, job flow, Pig, quota, shutdown action, STEP, step type, streaming, task node, tuning
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A policy is the formal description of the permissions for a resource. The access policy language distinguishes between a policy and a statement. A policy is the complete document that can contain many different permissions for a given resource. A statement is the description of an individual permission. Therefore a policy can contain multiple statements. For example, a policy could specify that Jane can use John's queue (one statement), and Bob cannot use John's queue (another statement).
Auto Scaling: An object that stores the information needed to launch or terminate instances for an Auto Scaling group. Executing the policy causes instances to be launched or terminated. You can configure an alarm to invoke an Auto Scaling policy.
- Browse Related Terms: access control list (ACL), access policy language, allow, bucket owner, canned access policy, Condition, default deny, explicit deny, field weight, Issuer, permission, policy, Principal, requester, Requester Pays, Resource
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Port address translation.
- Browse Related Terms: conditional parameter, elastic IP address, elastic network interface, endpoint port, IP address, Network address translation (NAT), Port address translation (PAT), private IP address, public IP address, Route 53
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A one-on-one, fast-response support channel that AWS customers can subscribe to for support for AWS infrastructure services.
- Browse Related Terms: Amazon Payments, co-branding, Donation button, Internet Service Provider (ISP), mailbox provider, Premium Support, Standard button, Subscription button, topic
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The principal is the person or persons who receive the permission in the policy. The principal is A in the statement "A has permission to do B to C where D applies." In a policy, you can set the principal to "anyone" (that is, you can specify a wildcard to represent all people). You might do this, for example, if you don't want to restrict access based on the actual identity of the requester, but instead on some other identifying characteristic such as the requester's IP address.
The concept of principals doesn't apply to a IAM policy, because these policies are attached to users or groups.
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All EC2 instances are assigned two IP addresses at launch, which are directly mapped to each other through Network Address Translation (NAT): a private address (following RFC 1918) and a public address. Exception: Instances launched in Amazon VPC are assigned only a private IP address.
- Browse Related Terms: conditional parameter, elastic IP address, elastic network interface, endpoint port, IP address, Network address translation (NAT), Port address translation (PAT), private IP address, public IP address, Route 53
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A VPC subnet whose instances cannot be reached from the Internet.
- Browse Related Terms: Border Gateway Protocol Autonomous System Number (BGP ASN), Classless Inter-Domain Routing (CIDR) block, DB security group, Domain Name System (DNS), Internet gateway, main route table, NAT instance, network ACL, private subnet, public subnet, route table, security group, source/destination checking, subnet, Transport Layer Security (TLS), Tunnel
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- See resource property.
- Browse Related Terms: AWS CloudFormation, AWS Resources, Description property, Filter, member resources, physical name, properties, reference, region, resource property, rollback, Stack
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A JSON-compliant markup standard for declaring properties, mappings, and output values in an AWS CloudFormation template.
- Browse Related Terms: format version, intrinsic function, logical name, mapping, NoEcho, property rule, pseudo parameter, template format version, template validation, Validation
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A storage option designed to deliver fast, predictable, and consistent I/O performance. When you specify an IOPS rate while creating a DB Instance, Amazon RDS provisions that IOPS rate for the lifetime of the DB Instance.
- Browse Related Terms: administrative suspension, Amazon Simple Storage Service (S3), Auto-Scaling, epoch, health check, instance store, Lifecycle, Metadata, provisioned IOPS, Reserved Instance, scaling activity, Workload
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A predefined setting, such as AWS:StackName that can be used in AWS CloudFormation templates without having to declare them. You can use pseudo parameters anywhere you can use a regular parameter.
- Browse Related Terms: format version, intrinsic function, logical name, mapping, NoEcho, property rule, pseudo parameter, template format version, template validation, Validation
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For even more security, Amazon provides the option of completely removing public access to an instance. This will ensure that you are safe from any outsiders gaining access to your machine and even prevents Denial and Service attacks.
- Browse Related Terms: Amazon Machine Image (AMI), array, AWS (Amazon Web Services), compute unit, deployment, EC2 (Elastic Compute Cloud), group, Instance, public access, security group, SSH Key
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An Amazon Machine Image that all AWS accounts have permission to launch.
- Browse Related Terms: bundling, explicit launch permission, Image, Instance, launch configuration, launch permission, master node, Node, paid AMI, public AMI, shared AMISHA, supported AMI, Virtual Machine Import/Export
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An AMI that all users have launch permissions for.