Tutorials
In-depth technical tutorials, guides, and infrastructure best practices.
How to Automate Linux Backups with a Simple Bash Script
Protect your server data by deploying a Bash automated backup script that compresses files into .tar.gz archives, rotates older backups to save space, and ensures file integrity by verifying the archive and generating SHA-256 checksums.
VPS Security Monitoring with Wazuh SIEM: Practical Setup Guide
Protect your VPS infrastructure by deploying Wazuh as an open-source SIEM and XDR platform, allowing you to centrally monitor logs, detect threats, and ensure compliance across all your Linux and Windows servers.
High-Performance Linux Networking: Kernel and sysctl Tuning Tutorial
Boost your Linux server's network throughput and reduce latency by tuning kernel parameters like TCP buffer sizes, BBR congestion control, and connection backlog via /etc/sysctl.conf.
High-Performance Reverse Proxy Setup with HAProxy
Deploy HAProxy as a high-performance reverse proxy to effortlessly manage massive traffic with advanced load balancing, failover, and SSL termination.
How to Set Up HashiCorp Vault on a VPS: TLS, Policies, and Backups
Centralize and secure your infrastructure's sensitive data by deploying HashiCorp Vault to automate secrets management, implement strict role-based access control, and generate dynamic, short-lived credentials that eliminate the risk of hardcoded passwords.
Affordable AI Hosting for Indie Developers
Affordable AI hosting helps indie developers run and test models on budget-friendly GPU infrastructure without paying enterprise cloud prices.
MariaDB Performance Tuning for Large Databases on Dedicated Servers
Optimize MariaDB for large-scale databases by properly indexing tables, partitioning massive datasets, and tuning critical memory parameters to handle high-traffic workloads with minimal latency.
Automating SSL Certificate Renewal with Certbot Cron Jobs on Linux Dedicated Servers
Automate free HTTPS certificate renewals on your Linux server by setting up Certbot with a systemd timer or cron job so your SSL certificates never expire unexpectedly.
Decentralized GPU Hosting: A Solution to the AI Compute Shortage
Cut GPU compute costs by accessing a global pool of community-owned hardware through decentralized GPU hosting networks, with no vendor lock-in and crypto-based pay-per-use pricing.
High-Availability Dedicated Server Setup with Corosync and Pacemaker
Eliminate single points of failure on your Linux infrastructure by clustering two dedicated servers with Pacemaker and Corosync for automatic, seconds-fast failover.
Fine-Tuning Llama 3 Models on GPU VPS
Fine-tune Llama 3 on your own GPU VPS using QLoRA and Hugging Face Transformers to build custom, domain-specific AI models without expensive cloud API costs.
Automated Bare Metal Provisioning with PXE and Kickstart
Automate OS deployments across your entire bare-metal environment by combining PXE network booting with Kickstart to provision servers hands-free at scale.