Tutorials
In-depth technical tutorials, guides, and infrastructure best practices.
Best Linux Dedicated Server Guide 2025
Choose the best Linux dedicated server by matching the server’s hardware, Linux distribution, performance profile, security needs, budget, and migration plan to your workload.
OSSEC and Fail2Ban Setup Tutorial
How to secure a Linux server with OSSEC and Fail2Ban by using OSSEC for intrusion detection and log monitoring, while Fail2Ban automatically blocks repeated malicious login attempts.
Implement QoS at Hardware Level for VPS
Implement hardware-level QoS for VPS environments by enforcing bandwidth limits and traffic priorities at the physical NIC or network layer so one VM cannot overwhelm shared network resources.
SSH Hardening for Dedicated Hosting
Secure SSH on a dedicated server by using key-based authentication, disabling root and password logins, restricting users and IPs, changing the default port, and adding protections like Fail2Ban and firewall rules.
Linux Server Performance Monitoring with Prometheus
Monitor server performance with Prometheus by collecting time-series metrics from exporters, tracking CPU, memory, disk, and network usage, and optionally visualizing or alerting on that data with tools like Grafana.
Dedicated vs Cloud Cost Comparison 2025
Cost differences between dedicated servers and cloud hosting show that cloud is often cheaper for small or variable workloads, while dedicated servers can offer better long-term value for stable environments.
Optimizing for Fault Tolerance with RAID
Optimize RAID for fault tolerance by choosing protective RAID levels like RAID 1, RAID 5, or RAID 6, then building, monitoring, and rebuilding arrays to reduce data loss risk.
RAID Linux VPS Setup For Optimal Speed
Configure RAID on a Linux VPS for better speed and reliability by selecting the right RAID level, building the array with tools like mdadm, tuning filesystem alignment, and testing performance afterward.
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.