Posted inPython
Celery & Redis: Background Task Solutions to Speed Up Python Applications
Significantly speed up Python applications by offloading heavy tasks to Celery and Redis. A detailed guide from setup to professional worker management.
Posted inLinux
Say Goodbye to Cron Jobs: Switching to systemd Timers for Superior Task Scheduling
Learn to use systemd Timers for Linux task scheduling as a replacement for Cron Jobs. A detailed guide on configuring auto-retries, centralized logging, and resource limits.
Posted inSecurity
Configuring DNSSEC for Linux: Don’t Let Your Website Get Hijacked Even with SSL
DNSSEC is a mandatory security layer to prevent DNS Spoofing. This article provides a detailed guide on configuring BIND9 on Linux, creating ZSK/KSK keys, and setting up the DS Record trust chain.
Posted inDocker
Kaniko: Building “Clean” and Secure Docker Images Without Root Privileges
Build Docker images securely without root privileges or a Docker Daemon. A detailed guide on using Kaniko to optimize security and performance for your CI/CD pipelines.
Posted inSecurity
Moving from iptables to nftables: Why It’s a Mandatory Step for SysAdmins
Iptables is outdated and slow. Discover how nftables optimizes firewall performance, supports IPv4/IPv6 simultaneously, and how to safely migrate your Linux system.
Posted inDevelopment
Building High-Speed Microservices with Go and gRPC: From Theory to Practice
Learn to build high-speed microservices with Go and gRPC. A detailed guide on reducing latency by 40% and optimizing inter-service communication using Protocol Buffers.
Posted inLinux
Boosting Linux Server I/O Performance: noatime and tuned profile Tips
A quick guide to optimizing Linux I/O performance by configuring noatime and using tuned profiles to reduce system latency.
Posted inAI
CLAUDE.md: The “Map” That Helps Claude Code Master Your Project in Seconds
Use CLAUDE.md to give AI a deep understanding of your project, ensure coding style compliance, and work like a Senior Developer. Detailed guide with examples.
Posted inMySQL
MySQL 8: Leveraging Functional and Invisible Indexes to Handle Millions of Records
Discover how to optimize MySQL 8 with Functional and Invisible Indexes. Speed up JSON and date queries while safely testing indexes in production environments.
Posted inMonitoring
Prometheus Blackbox Exporter: Monitor HTTP, DNS, TCP and SSL Certificate Expiry
Prometheus Blackbox Exporter monitors websites, TCP ports, DNS resolution, and SSL certificates from the end-user's perspective — no agent installation required on each server. This guide covers installation, configuring HTTP/DNS/TCP modules, and setting up SSL expiry alerts integrated with Alertmanager.