Tutorials
In-depth technical tutorials, guides, and infrastructure best practices.
Switch to Managed VPS Without Downtime
Move your website to a managed VPS without downtime by preparing the new server in advance, lowering DNS TTL, migrating data safely, and testing the environment.
Load Testing VPS with JMeter
Learn to use Apache JMeter to load test a VPS by simulating concurrent traffic, measuring response times and throughput, and identifying performance bottlenecks before production use.
Zero-Downtime Hotpatching Linux kernel
How to apply Linux kernel security fixes without rebooting by using live patching tools like Canonical Livepatch or kpatch, helping keep servers secure while avoiding downtime.
Maximize ROI with Optimized VPS Plans
Learn to maximize ROI with optimized VPS plans by choosing the right resources, avoiding overprovisioning, improving performance and uptime, and aligning hosting costs with actual business needs.
Zero-Trust Architecture on Dedicated Server
Apply zero trust architecture to a dedicated server by enforcing strict identity checks, least-privilege access, service isolation, encryption, and continuous monitoring.
AI Dedicated Servers in 2025
Why AI dedicated servers are becoming important for workloads like LLMs, deep learning, and real-time analytics that need dedicated GPUs, fast NVMe storage, predictable performance, and full hardware control.
Microsegmentation Linux Server Setup
Implement microsegmentation on Linux servers by using host-based firewall rules with nftables to isolate web, app, and database systems and allow only the specific traffic each role needs.
Horizontal vs Vertical Scaling in Dedicated Servers
How to scale dedicated servers effectively by choosing between vertical upgrades and horizontal expansion, then using load balancing, caching, monitoring, and automation to handle growing workloads.
Secure OpenSearch Cluster on Ubuntu
Secure an OpenSearch cluster on Ubuntu by enabling TLS, enforcing role-based access control, restricting network access, hardening the nodes, and setting up monitoring, backups, and intrusion detection.
DNSSEC WAF VPS Configuration
Improve VPS security by combining DNSSEC for DNS protection and a web application firewall for filtering malicious traffic, then validating the setup with testing and hardening steps.
VPS Performance Optimization in 2025
How to optimize VPS performance by improving hardware and software settings, tuning CPU, RAM, and disk I/O, and using monitoring, caching, and CDN strategies.
VPS AI Sysadmin Kodee: Smarter Server Management
What is VPS AI Sysadmin Kodee, and how can an AI-powered assistant help automate server monitoring, maintenance, security, and performance management on VPS environments?