First, make sure your ec2 instance has an iam role attached with the cloudwatchagentserverpolicy policy. The agent configuration file is a json file that specifies the metrics and logs that the agent is to collect, including custom metrics.

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The agent section includes fields for the overall configuration of the agent.

Cloudwatch logs agent config. To attach the iam role to the ec2 instance, you can either do it through the aws console or via the aws command line interface (cli): Setting up the cloudwatch agent: The aws cloudwatch logs agent can be setup to push logs to the aws cloudwatch.its not mandatory to you that you should have ec2 instance.you can setup it on anyy server like aws,linode ,digitalocean, google, azure, etc.

The cloudwatch logs agent provides an automated way to send log data to cloudwatch logs from amazon ec2 instances. A cron job that ensures that the daemon is. Click logs from the left panel.

Before running the cloudwatch agent on any servers, you must create a cloudwatch agent configuration file. A cloudwatch agent on that instance that streams the /var/log/secure log file to cloudwatch. For checking the metrics from cloudwatch agent, follow the bellow steps.

In the filter, search for the log group you name in the configuration file. Download and install the cloudwatch agent. Cloudwatchagentadminpolicy →allows cloudwatch agent to save agent configuration file to systems manager parameter store cloudwatchagentserverpolicy → allows to write data on cloudwatch amazonec2roleforssm → giving systems manager permission to manage our ec2 instance.

The agent includes the following components: Coming up next i should be talking about cloudtrail logs. On the next screen search and select below three policies.

Without the necessary permissions, the cloudwatch agent can't write. Learn how to set up the cloudwatch agent for windows in this tutorial. This log contains authentication information such as user logins and password changes.

There's also a software agent that is easily installable on linux and windows servers that can be configured to monitor one or more log file locations and upload the logs to cloudwatch logs. Start the cloudwatch agent using the configuration file that you created in step 3. The cloudwatch agent configuration file is a json file with three sections:

Click view all log groups button. Check the agent configuration file to identify any custom log locations. The cloudwatch config wizard defaults to using cwagent as the user that runs cloudwatch, this is also reiterated in official guides.

In the value field, copy and paste the contents of the config.json file found in the lab assets. Create an agent configuration file that specifies the metrics/logs that you plan to push to cloudwatch from your ec2 instance. Logs might be specified in a custom logfile location.

To demonstrate how to use the cloudwatch agent to stream logs, we’ll setup: Part of cloudwatch logs is cloudwatch logs insights, which allow you to query json logs that contain, via the cli or a web user interface. Cloudwatch is an aws service that centrally manages all of logs.

Set data type to text. Go to the ec2 dashboard, select instances from the menu and check the checkbox next to the ec2 instance you want to stream the logs from. Setup cloudwatch logs agent on ubuntu | push ubuntu system logs to aws cloudwatch logs.

If you're using the run_as_user parameter, confirm that the user has permissions to the log location path. That now brings me to the end of this lecture on cloudwatch logs where i explained how cloudwatch can be used to centralize login for more ec2 instances or applications running on your instances by determining logs past configured by the cloudwatch agent and log groups within cloudwatch. A script (daemon) that initiates the process to push data to cloudwatch logs.

Give your parameter a description, such as “this is a cloudwatch agent config file for use in the well architected security lab”. The metrics section specifies the custom metrics for collection and publishing to cloudwatch. In the agent configuration file, enable verbose debug logging using the debug parameter.

If you use the wizard, it doesn't create an agent section. This config file specifies which metrics and logs. To attach the iam role, click the actions.

I took the example of sending apache logs to cloudwatch logs. You can create it by using the wizard or by creating it yourself from scratch.