Running Events on a Schedule With the scheduling capabilities of EventBridge, you have the opportunity to create, run, and manage tasks that you schedule to run at a later date for a singular event or on a recurring basis. These tasks can be as simple as sending out weekly notifications to your team to logging […]

Configuring a Custom Event Bus When you want to receive events, you will need an event bus. This is the pipeline in the AWS system of resources that receives the events. The event bus comprises rules that are examined as the different events come into the event bus. You can have multiple event buses, and […]

Understanding Event-Driven Architecture EDA is a software design pattern in which the flow of the system is determined by events rather than a central control flow. In EDA, the system responds to events that occur asynchronously, such as messages received from AWS services, custom events, or even third-party Software as a Service (SaaS) applications. An […]

CloudWatch Dashboards While the collection of metrics generating lines and lines of information on disparate files serves a purpose for tracking particular indicators, tracking a number of these over time is much easier in a graphical format. AWS CloudWatch dashboards allow you to create customizable, real-time visualizations of your metrics, resources, and applications. You can […]

CloudWatch Alarms With the metrics that CloudWatch provides, the service also allows you to monitor metrics and events that can automatically initiate actions (such as sending out an SNS notification) when certain conditions are met, in near real time. CloudWatch alarms can be used for a multitude of purposes, including detecting unusual behavior or performance […]

Querying and Searching CloudWatch Logs CloudWatch Logs provides you with a few different search capacities to efficiently analyze your log data and search through your log files. These capacities include the following: The following section presents a simple scenario for searching through log files stored in CloudWatch Logs. Performing a Search in CloudWatch Logs Go […]

Note If you were trying to do this for a large number of instances in an automated fashion, then the best course of action would be to label those instances to get the CloudWatch agent with a particular tag and value – for example, CloudWatchAgent as the tag and the date as the value. This way, you […]

Installing the CloudWatch Agent on an EC2 Instance In order to install the CloudWatch agent on an EC2 instance, you will need to have an EC2 instance that is running and with which the SSM can communicate successfully. One of the easiest ways to do this is to use an EC2 instance running Amazon Linux. […]

Retaining and Expiring CloudWatch Logs As logs come into the CloudWatch service, they are stored in a log group and by default never expire. This can lead to extra charges for your account, especially for items such as developmental logs that don’t need to be saved in the account for extended periods of time due […]

Understanding CloudWatch Logs CloudWatch Logs allows you to ingest logs from your AWS services. The CloudWatch Logs service helps you move logs off your host and onto durable storage. The S3 service backs this durable storage. Once they have moved there, they are retained until you change the retention period. With logs stored in CloudWatch […]