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CloudWatch Agent vs SSM Agent vs Custom Daemon Scripts

2023-04-08T04:26:22+00:00

CloudWatch Agent SSM Agent (AWS Systems Manager) Custom Daemon Scripts CloudWatch agent allows you to collect more system-level metrics from your EC2 and on-premises servers than just the standard CloudWatch metrics. It also enables you to retrieve custom metrics from your applications or services using the StatsD and collectd protocols. StatsD is supported on both Linux servers and servers running Windows Server. collectd is supported only on Linux servers. You can use CloudWatch agent to collect logs from your servers and send them to CloudWatch Logs. Metrics collected by the CloudWatch agent are billed as custom metrics. You can install [...]

CloudWatch Agent vs SSM Agent vs Custom Daemon Scripts2023-04-08T04:26:22+00:00

Security Group vs NACL

2024-08-05T01:51:49+00:00

Security Group Network Access Control List Acts as a firewall for associated Amazon EC2 instances. Acts as a firewall for associated subnets. Controls both inbound and outbound traffic at the instance level. Controls both inbound and outbound traffic at the subnet level. You can secure your VPC instances using only security groups. Network ACLs are an additional layer of defense. Supports allow rules only. Supports allow rules and deny rules. Stateful (Return traffic is automatically allowed, regardless of any rules). Stateless (Return traffic must be explicitly allowed by rules). Evaluates all rules before deciding whether to allow traffic. Evaluates rules [...]

Security Group vs NACL2024-08-05T01:51:49+00:00

AWS CloudTrail vs Amazon CloudWatch

2023-06-27T01:45:43+00:00

AWS CloudTrail vs Amazon CloudWatch Cheat Sheet CloudWatch is a monitoring service for AWS resources and applications. CloudTrail is a web service that records API activity in your AWS account. They are both useful monitoring tools in AWS. By default, CloudWatch offers free basic monitoring for your resources, such as EC2 instances, EBS volumes, and RDS DB instances. CloudTrail is also enabled by default when you create your AWS account. With CloudWatch, you can collect and track metrics, collect and monitor log files, and set alarms. CloudTrail, on the other hand, logs information on who made a request, the services [...]

AWS CloudTrail vs Amazon CloudWatch2023-06-27T01:45:43+00:00

Amazon S3 vs Glacier

2023-04-07T03:45:20+00:00

Amazon S3 is a durable, secure, simple, and fast storage service, while Amazon S3 Glacier is used for archiving solutions. Use S3 if you need low latency or frequent access to your data. Use S3 Glacier for low storage cost, and you do not require millisecond access to your data. You have three retrieval options when it comes to Glacier, each varying in the cost and speed it retrieves an object for you. You retrieve data in milliseconds from S3. Both S3 and Glacier are designed for durability of 99.999999999% of objects across multiple Availability Zones. S3 and Glacier are [...]

Amazon S3 vs Glacier2023-04-07T03:45:20+00:00

Amazon RDS vs DynamoDB

2023-04-10T06:08:52+00:00

  RDS DynamoDB Type of database Managed relational (SQL) database Fully managed key-value and document (NoSQL) database Features Has several database instance types for different kinds of workloads and supports six database engines - Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and SQL Server. Delivers single-digit millisecond performance at any scale. Storage Size -128 TB for Aurora engine. -64 TB for MySQL, MariaDB, Oracle and PostgreSQL engines. -16 TB for SQL Server engine. Supports tables of virtually any size. Number of tables per unit Depends on the database engine 256 Performance General Purpose Storage is an SSD-backed storage option that delivers at consistent baseline [...]

Amazon RDS vs DynamoDB2023-04-10T06:08:52+00:00

AWS Elastic Load Balancing (ELB)

2024-11-14T08:47:03+00:00

Bookmarks General Features Types of Load Balancers Security Authentication and Access Control Summary of Features Pricing AWS Elastic Load Balancing-related Cheat Sheets Validate Your Knowledge AWS Elastic Load Balancing Cheat Sheet Distributes incoming application or network traffic across multiple targets, such as EC2 instances, containers (ECS), Lambda functions, and IP addresses, in multiple Availability Zones. When you create a load balancer, you must specify one public subnet from at least two Availability Zones. You can specify only one public subnet per Availability Zone. General Features Accepts incoming traffic from clients [...]

AWS Elastic Load Balancing (ELB)2024-11-14T08:47:03+00:00

Amazon Simple WorkFlow (Amazon SWF)

2023-06-23T08:31:14+00:00

Bookmarks Features Concepts Workflow Execution Endpoints AWS Flow Framework Pricing SQS vs SWF Limits Amazon Simple WorkFlow Cheat Sheet A fully-managed state tracker and task coordinator in the Cloud. You create desired workflows with their associated tasks and any conditional logic you wish to apply and store them with SWF. Features SWF promotes a separation between the control flow of your background job's stepwise logic and the actual units of work that contain your unique business logic. SWF manages your workflow execution history and other details of your workflows [...]

Amazon Simple WorkFlow (Amazon SWF)2023-06-23T08:31:14+00:00

Amazon SNS

2024-07-17T03:32:35+00:00

Bookmarks Features Publishers and Subscribers SNS Topics Message Attributes Message Filtering Raw Message Delivery System to System Messaging User Notifications SNS Delivery Retries Monitoring Security Pricing Limits Amazon SNS Cheat Sheet A web service that makes it easy to set up, operate, and send notifications from the cloud. SNS follows the “publish-subscribe” (pub-sub) messaging paradigm, with notifications being delivered to clients using a “push” mechanism rather than to periodically check or “poll” for new information and updates. Features SNS is an event-driven computing hub [...]

Amazon SNS2024-07-17T03:32:35+00:00

AWS Billing and Cost Management

2023-12-19T00:54:50+00:00

Bookmarks AWS Free Tier AWS Cost Anomaly Detection AWS Billing Conductor AWS Cost and Usage Reports AWS Cost Explorer AWS Budgets AWS Billing and Cost Management Cheat Sheet Cost Explorer tracks and analyzes your AWS usage. It is free for all accounts. Use Budgets to manage budgets for your account. Use Bills to see details about your current charges. Use Payment History to see your past payment transactions. AWS Billing and Cost Management closes the billing period at midnight on the last day of each month and then calculates your bill. [...]

AWS Billing and Cost Management2023-12-19T00:54:50+00:00

Amazon Inspector

2024-11-14T07:47:10+00:00

Bookmarks Features Concepts Rules Packages and Rules Assessment Reports Pricing Amazon Inspector Cheat Sheet An automated security assessment service that helps you test the network accessibility of your EC2 instances and the security state of your applications running on the instances. Inspector uses IAM service-linked roles. Features Inspector provides an engine that analyzes system and resource configuration and monitors activity to determine what an assessment target looks like, how it behaves, and its dependent components. The combination of this telemetry provides a complete picture of the assessment target and its potential security [...]

Amazon Inspector2024-11-14T07:47:10+00:00

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