Posted inUbuntu
Deep Cleaning Ubuntu: Purge Junk, Old Kernels, and Free Up GBs of Space
A detailed guide on deep cleaning Ubuntu: remove orphaned packages, purge old kernels, and limit system logs to quickly reclaim GBs of space for your VPS.
Posted inAI
Building GraphRAG with LangChain and Neo4j: When AI Needs to Deeply Understand Data Relationships
A guide to building a GraphRAG system by combining Neo4j and LangChain. This solution helps AI understand complex data relationships, reducing hallucinations and increasing accuracy compared to traditional RAG.
Posted inDocker
Migrating Docker Containers to a New Server: A ‘Manual’ but Rock-Solid Method
Can't use a Docker Registry for migration? Try the docker save, load, and rsync combo. A detailed guide on safely moving containers and data to a new server.
Posted inDocker
How to Force Docker Containers Through VPN with Gluetun: Ultimate Security for Torrents & Crawlers
Learn how to configure Gluetun to run Docker containers through a VPN (Wireguard/OpenVPN). A secure, anonymous solution for specific services without impacting overall system speed.
Posted inSecurity
Implementing End-to-End TLS/SSL: Don’t Leave Data ‘Exposed’ in Your Internal Network
Don't let traffic between your Web Server and Database run 'exposed'. A detailed guide on implementing End-to-End TLS/SSL for comprehensive data protection within your internal network.
Posted inDocker
Docker Secrets: Don’t Expose Passwords via a Clumsy ‘inspect’ Command
Learn how to use Docker Secrets to protect passwords and API keys instead of exposing them via environment variables. A practical guide for Swarm and Compose v2.
Posted inGit
Gitea Installation: Build Your Own High-Performance, Low-Cost Git Server
Gitea is the perfect high-performance, low-cost Git Server alternative to GitLab for low-spec VPS. This guide provides step-by-step instructions for Docker installation, Nginx configuration, and real-world tips for stable operation.
Posted inSecurity
Unmasking Rootkits on Linux: How to Use the Chkrootkit and Rkhunter Duo
Don't let Rootkits silently take control of your server. Learn how to use Rkhunter and Chkrootkit to detect hidden malware and effectively secure your Linux server.
Posted inNetwork
DNS Configuration on Linux: Permanently Fix Settings Being Lost After Reboot
Tired of losing DNS settings in /etc/resolv.conf after every reboot? This guide shows you how to properly configure DNS on Linux using Netplan, nmcli, and systemd-resolved for long-term stability.
Posted inMonitoring
Mastering Network Infrastructure with LibreNMS: From Bandwidth Monitoring to Automated Telegram Alerts
A detailed guide on installing LibreNMS using Docker for network monitoring. Track bandwidth, CPU, RAM, and configure automated Telegram alerts for SysAdmins.