SRE Archives - ITNotes

Multi-Region Kubernetes: A Hands-on Guide to Global Load Balancing with K8gb

August 17, 2026

Regional outages don't have to mean downtime. This guide shows you how to use K8gb to implement automated, multi-region DNS failover for your Kubernetes clusters.

DevOps

Stop Hunting for YAML Needles: A Hands-on Guide to K8sgpt

August 11, 2026

Ditch the manual log-diving. Learn how to use K8sgpt and AI to diagnose Kubernetes cluster errors and get actionable fix suggestions in seconds.

DevOps

Beyond 100% Uptime: A No-Nonsense Guide to Error Budgets

June 14, 2026

Error Budgets aren't just metrics—they are a social contract between Dev and Ops. Learn how to calculate SLOs, track burn rates, and implement a policy that balances feature speed with system reliability.

Linux

Stop Guessing: Use Flame Graphs to Pinpoint Linux CPU Bottlenecks

June 4, 2026

Ditch the guesswork. Learn how to use perf and Flame Graphs to visualize Linux CPU bottlenecks and fix performance issues with precision.

Building Self-Healing Infrastructure: Moving Beyond Simple Scripts to AI-Driven Remediation

May 19, 2026

Ditch the brittle bash scripts. Learn how to combine Python, log monitoring, and LLMs to build an intelligent, self-healing server that diagnoses and fixes its own errors.

Database

MySQL on Fire: Rescuing Production with Percona Toolkit

May 17, 2026

Database meltdowns don't have to be disasters. Learn how to use Percona Toolkit to identify slow queries, change schemas without downtime, and fix replication drift in high-load MySQL environments.

DevOps

Stop Guessing Your Uptime: A Practical Guide to SLOs with Prometheus and Sloth

May 16, 2026

Tired of noisy alerts? Learn how to implement SRE-style SLOs and SLIs. This guide walks you through using Sloth and Prometheus to manage your reliability and Error Budget effectively.

DevOps

Scaling Kubernetes Monitoring: My 6-Month Journey with the Prometheus Operator

April 30, 2026

A practical look at deploying the Prometheus Operator on Kubernetes. Discover how we moved from manual ConfigMaps to automated, label-based monitoring for 40+ microservices.

Database

Taming PostgreSQL Table Bloat: A Practical Guide to VACUUM and ANALYZE

April 28, 2026

PostgreSQL doesn't delete data in place, leading to 'Table Bloat.' Learn how to use VACUUM, tune Autovacuum settings, and identify long-running transactions to keep your production database healthy.

Linux

eBPF: A High-Performance Path to Linux Kernel Observability

April 23, 2026

Discover how eBPF provides deep Linux kernel observability without the risks of traditional modules. Learn to use BCC and bpftrace for real-time system troubleshooting.