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Upgrading Ubuntu Terminal with Zsh & Oh My Zsh: Don’t Let Bash Slow You Down

By admin April 2, 2026

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.

Docker

Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server

By admin April 2, 2026

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.

MySQL

MySQL Point-in-Time Recovery (PITR): Restore Your Database to Any Second with Binary Log

By admin April 2, 2026

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.

VMware

How to Install VMware ESXi 8 for Free on a Physical Server and Create Your First VM

By admin April 2, 2026

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.

Fedora

Fedora Server: Professional Python Deployment with Gunicorn and Nginx

By admin April 1, 2026

Don't let 502 Bad Gateway errors stop you. A guide to deploying Python on Fedora with Gunicorn, Nginx, and precise SELinux configuration based on real-world experience.

Centos

Configuring GlusterFS on CentOS Stream 9: Building a Fault-Tolerant Data Storage ‘Fortress’

By admin April 1, 2026

A detailed guide on installing GlusterFS on CentOS Stream 9. This article shares practical experience in configuring Replicated Volumes, optimizing Firewall settings, and handling split-brain issues to ensure data safety.

Network

Configuring VPN Clients on Linux: Battle-Tested Experience with WireGuard, OpenVPN, and IPsec

By admin April 1, 2026

A hands-on guide to configuring WireGuard, OpenVPN, and IPsec on Linux. Learn how to troubleshoot routing, DNS, and MTU issues from a system administrator's perspective.

Git

Git Sparse Checkout: The Ultimate Trick for Handling Gigabyte-Scale Monorepos

By admin April 1, 2026

Stop waiting for GB-sized Monorepo clones. Learn to use Git Sparse Checkout to download only the folders you need, saving space and speeding up your workflow.

Python

Building ‘Blazing Fast’ APIs with FastAPI and Pydantic: From Zero to Production

By admin April 1, 2026

Building high-performance Python APIs is easy with FastAPI and Pydantic. This detailed guide covers setup, data validation, and expert async/await optimization.

Save Ubuntu in a Snap with Timeshift: A Guide to Creating Automatic Restore Points

Mastering lshw, dmidecode, and hwinfo: A Deep Dive into Linux Hardware

Is ChatGPT “Swallowing” Your Source Code? How to Build a Secure Proxy Layer for Devs

Deploying Sidecar Containers: Automating Docker Volume Backups to S3 and Google Drive

Python Profiling: Pro Tips for Troubleshooting Slow Code with cProfile and Py-Spy

Docker Context Guide: Managing Multiple Remote Servers via SSH

Mastering Traffic Control (tc): Bandwidth Limiting and Traffic Prioritization on Linux

Docker Multi-Arch: Resolving the ‘exec format error’ on M1/M2 and Cloud ARM

Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures

Building AI Agents with LangGraph: Solving Complex Workflows and Self-Correction

Upgrading Ubuntu Terminal with Zsh & Oh My Zsh: Don’t Let Bash Slow You Down

Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server

MySQL Point-in-Time Recovery (PITR): Restore Your Database to Any Second with Binary Log

How to Install VMware ESXi 8 for Free on a Physical Server and Create Your First VM

Fedora Server: Professional Python Deployment with Gunicorn and Nginx

Configuring GlusterFS on CentOS Stream 9: Building a Fault-Tolerant Data Storage ‘Fortress’

Configuring VPN Clients on Linux: Battle-Tested Experience with WireGuard, OpenVPN, and IPsec

Git Sparse Checkout: The Ultimate Trick for Handling Gigabyte-Scale Monorepos

Building ‘Blazing Fast’ APIs with FastAPI and Pydantic: From Zero to Production