11 articles
Coordinate your defense. Discover the world of 'Security Information and Event Management' (SIEM). Learn how to aggregate logs from 100 servers into a single dashboard. Explore the ELK/Elastic stack and understand the logic of 'Alert Correlation'.
Protect your server while you sleep. Master the security monitoring of Linux. Learn to analyze 'auth.log' for suspicious activity and implement 'Fail2Ban' to automatically block attackers by their IP address. Turn your logs into a weapon against hackers.
Turn raw numbers into actionable insight. Discover the modern observability stack. Learn how 'Prometheus' collects metrics from your Linux server and how 'Grafana' builds beautiful real-time dashboards. Understand the role of the 'Node Exporter' agent.
Predict the future of your hardware. Master the 'SMART' self-test system built into every modern hard drive. Learn to use 'smartctl' to identify failing disks before they crash and use 'hdparm' to benchmark your storage performance.
Spotting the outlier. Learn how to detect 'Anomalous' AI behavior, from rapid token consumption to unusual tool-calling sequences.
Protecting the wallet. Learn how to set up alerts and quotas to prevent 'Denial of Wallet' attacks and runaway AI spending.
Is your app slow or is it Docker? Learn how to monitor CPU, RAM, and I/O performance of your containers using the built-in 'stats' command and external tools.
Is it still up? Learn how to use GitLab's Environment Health checks to monitor your live site and trigger alerts if a deployment causes a latency spike.
Hardening the system. Build the final reporting module of Nexus-One and implement global error handling to ensure your assistant never misses a beat.
Is n8n alive? Learn how to setup heartbeat monitors and healthcheck endpoints to ensure your automation server is always ready for work.
Visualizing the health of your cluster. Using Prometheus and Grafana to track tokens-per-second and VRAM usage.