Monitoring

5 articles

Interview Preparation Advanced

Tailing and Filtering Logs Live tail -f /var/log/app.log | grep --line-buffered "ERROR" # --line-buffered keeps grep piping live, …

Jan 20, 2026 Read more

Interview Preparation Intermediate

Load Average & Uptime uptime # 10:32:01 up 45 days, 2:14, 3 users, load average: 1.25, 0.98, 0.75 The three numbers are load average …

Jan 20, 2026 Read more

Interview Preparation All Levels

Q1 Prometheus shows a target as DOWN in the Targets UI. The service is running and accessible. How do you troubleshoot? Intermediate Ans: …

Apr 26, 2025 Read more

Interview Preparation All Levels

📊 Monitoring & Observability Interview Questions Scenario-based interview questions for AWS CloudWatch, Prometheus, and Grafana Q1 Your …

Apr 26, 2025 Read more

Interview Preparation intermediate

Problem Statement Your team gets paged at 3 AM when an EC2 instance runs out of disk space — but only after the application has already …

Jan 20, 2025 Read more