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š Build production-grade AWS monitoring with CloudWatch Metrics, Logs, Events & AWS Config!š Build production-grade AWS monitoring with CloudWatch Metrics, Logs, Events & AWS Config! Learn to install CloudWatch agent, set up log-based alerts, track system metrics, create real-time notifications, and automate compliance checks. This is how DevOps teams monitor at scale. šÆ WHAT YOU'LL BUILD ā CloudWatch agent deployment via Systems Manager ā Application log monitoring (Apache access/error logs) ā Metric-based alarms (404 error detection) ā System metrics collection (CPU, memory, disk usage) ā Real-time SNS notifications for infrastructure changes ā Automated compliance auditing with AWS Config rules š§ MONITORING COMPONENTS **CloudWatch Logs:** - Collect logs from applications and system - Create metric filters to track specific events - Set up alarms based on log patterns - Centralized log management across instances **CloudWatch Metrics:** - Standard AWS metrics (CPU, network, disk I/O) - Custom metrics via CloudWatch agent - Inside-the-instance visibility (memory, disk space) - Graphing and dashboards **CloudWatch Events:** - Real-time notifications for state changes - EC2 instance stop/terminate detection - SNS integration for email/SMS alerts - Event-driven automation triggers **AWS Config:** - Continuous compliance monitoring - Pre-built rules library (tagging, volumes, etc.) - Automated auditing of resource configurations - Compliance reporting and history š” REAL-WORLD USE CASES **Scenario 1:** 404 Error Spike - CloudWatch detects 5+ errors in 1 minute - SNS sends email alert immediately - Team investigates before customer complaints **Scenario 2:** Instance Terminated - CloudWatch Event captures state change - Real-time notification sent - Automated incident response triggered **Scenario 3:** Compliance Violation - AWS Config detects untagged resource - Compliance dashboard shows violation - Automated remediation via Lambda š METRICS COLLECTED - CPU: usage_idle, usage_user, usage_system - Memory: mem_used_percent - Disk: used_percent, inodes_free - Disk I/O: io_time - Swap: swap_used_percent - Custom application metrics š WHO IS THIS FOR? ā DevOps engineers building monitoring ā SREs ensuring reliability ā Cloud architects designing observable systems ā System administrators migrating to cloud ā Security teams tracking changes ā Anyone managing production AWS workloads š RESOURCES š CloudWatch Agent Docs: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Install-CloudWatch-Agent.html š CloudWatch Logs Guide: https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/ š AWS Config Rules: https://docs.aws.amazon.com/config/latest/developerguide/managed-rules-by-aws-config.html š” MONITORING BEST PRACTICES 1. Install CloudWatch agent on all instances 2. Collect both logs AND metrics 3. Set meaningful alarm thresholds 4. Avoid alert fatigue - focus on customer impact 5. Use log metric filters for application errors 6. Enable AWS Config for compliance 7. Test alarms regularly 8. Document runbooks for common alerts š SUBSCRIBE for AWS DevOps tutorials! š¬ What's your monitoring strategy? Share below! š LIKE if you're improving your AWS observability! #AWS #CloudWatch #Monitoring #DevOps #Observability #SystemsManager #AWSConfig #CloudComputing Ā© 2024 NamrataMulwani