Log Processing
Building Bash scripts that parse, filter, rotate, and alert on log files — combining text tools with loops and conditionals into real …
Jan 20, 2026
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Monitoring
5 articles
System Monitoring Commands
top, htop, vmstat, iostat, free, and uptime — the commands for reading CPU, memory, disk I/O, and load on a live Linux system.
Jan 20, 2026
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Prometheus & Grafana Interview Questions & Answers (2026) Part 01
30+ Prometheus and Grafana interview questions and answers covering monitoring, alerting, PromQL, exporters, dashboards, Alertmanager, …
Apr 26, 2025
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AWS Cloudwatch Interview Questions & Answers (2026) Part 01
50+ Logging and Monitoring interview questions and answers covering observability, metrics, alerting, Prometheus, Grafana, ELK, CloudWatch, …
Apr 26, 2025
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Create CloudWatch Alarms for All EC2 Instances (CPU, Memory, Disk)
Python script to create CloudWatch alarms for every running EC2 instance covering CPU utilization, status checks, memory usage (via …
Jan 20, 2025
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