Posted inDocker
Docker Context Guide: Managing Multiple Remote Servers via SSH
A detailed guide on using Docker Context to manage multiple remote Docker Engines via SSH. A secure alternative to exposing risky Docker API ports.
Posted inNetwork
Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux
Don't let a backup script crash your Web Service. Learn how to use tc (Traffic Control) to limit bandwidth, prioritize SSH/Web traffic, and optimize Linux network performance.
Posted inDocker
Docker Multi-Arch: Resolving the ‘exec format error’ on M1/M2 and Cloud ARM
Forget the 'exec format error'. A detailed guide on using Docker Buildx to build images that run smoothly on both M1/M2 chips and traditional Intel servers.
Posted inMonitoring
Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures
A backup script suddenly stopping is a disaster for any SysAdmin. Discover how to use Healthchecks.io to monitor Cron Jobs effectively using the 'Dead Man's Snitch' mechanism.
Posted inAI
Building AI Agents with LangGraph: Solving Complex Workflows and Self-Correction
A detailed guide on building advanced AI Agents using LangGraph and Python. This article focuses on state management, loop handling, and practical experience in optimizing API costs.
Posted inUbuntu
Upgrading Ubuntu Terminal with Zsh & Oh My Zsh: Don’t Let Bash Slow You Down
Installing Zsh and Oh My Zsh on Ubuntu is the fastest way to turn your Terminal into a powerful assistant. This guide details the installation and plugin configuration to supercharge your typing speed.
Posted inDocker
Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server
Docker hogging disk space is a DevOps nightmare. This article shares how to use prune commands effectively and configure log rotation to rescue your server from storage issues.
Posted inUbuntu
Build Your Own “Google Drive” on Ubuntu 24.04 with Docker Compose: 100% Data Ownership
Easily build your own Nextcloud cloud storage system on Ubuntu 24.04 with Docker Compose. Take control of your data, boost access speeds, and maximize security.
Posted inMySQL
MySQL Point-in-Time Recovery (PITR): Restore Your Database to Any Second with Binary Log
A hands-on guide to MySQL Point-in-Time Recovery (PITR) using Binary Log — restore your database to the exact second before an accidental DELETE or corruption event. Covers locating the binlog position, restoring from backup, replaying transactions, and skipping bad statements.
Posted inVMware
How to Install VMware ESXi 8 for Free on a Physical Server and Create Your First VM
A step-by-step guide to installing VMware ESXi 8 for free on a physical server: hardware prep, creating a bootable USB, BIOS configuration, and creating your first VM through the web UI — with practical tips from real-world experience.