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coolvds.com › Blog › Server Administration

Linux Server Hardening: 5 Steps to Stop Script Kiddies Cold (2009 Edition)

· CoolVDS Team

A fresh Linux server survives about 15 minutes on the open web before the scanners hit. Here is the battle-tested guide to locking down CentOS and Debian, configuring IPTables, and why hardware virtualization matters for security.

coolvds.com › Blog › DevOps & Infrastructure

Redis for Session Management: Why Disk I/O is Killing Your PHP App

· CoolVDS Team

Still storing sessions in /tmp? You're bottlenecking your application. We explore why the new 'Redis' project is the persistent, high-speed alternative to Memcached that European systems architects have been waiting for.

coolvds.com › Blog › Server Administration

Stop Flying Blind: Advanced Log Analysis with AWStats on Linux VDS

· CoolVDS Team

Raw access logs are unreadable. Learn how to deploy and tune AWStats for deep traffic insights, optimize for disk I/O, and navigate Norwegian privacy requirements on high-performance infrastructure.

coolvds.com › Blog › Security & Compliance

Stop Bleeding Data: The End of FTP and the Move to SFTP Chroots

· CoolVDS Team

Sending passwords in cleartext is professional negligence. Learn how to implement secure, chrooted SFTP on your servers using OpenSSH 5, ensuring compliance with Norwegian data laws without sacrificing speed.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd in 2009: Surviving the C10k Problem on Your VPS

· CoolVDS Team

Is Apache 2.2 eating all your RAM? We benchmark the event-driven architecture of Lighttpd against the Apache process model. Learn how to handle high concurrency on Norwegian infrastructure without upgrading your hardware.

coolvds.com › Blog › DevOps & Infrastructure

Decoupling the Monolith: Building High-Performance SOA in Norway (2009 Edition)

· CoolVDS Team

Is your LAMP stack buckling under the Slashdot effect? Stop throwing RAM at a single server. We explore Service Oriented Architecture (SOA), Nginx reverse proxying, and why RAID-10 SAS storage is the only viable option for serious Norwegian deployments.

coolvds.com › Blog › Server Administration

Server Monitoring and Performance: The 2009 Guide for Norwegian Business IT

· CoolVDS Team

As we enter a challenging economic landscape in 2009, optimizing your VDS and Dedicated Server infrastructure is crucial. Learn how Norwegian IT professionals are reducing costs and boosting uptime through advanced monitoring and tuning.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture on Linux: Beyond the Firewall in 2025

· CoolVDS Team

Perimeter security is dead. Learn how to implement a true Zero-Trust model on Norwegian VPS infrastructure using WireGuard, nftables, and mTLS to satisfy Datatilsynet and defeat lateral movement.

coolvds.com › Blog › DevOps & Infrastructure

Production-Grade GitOps: Stop "ClickOps" Before You Destroy Your Cluster

· CoolVDS Team

Manual `kubectl` commands are technical debt. Learn how to architect a bulletproof GitOps workflow using ArgoCD and Kustomize, specifically tailored for Norwegian compliance standards and high-performance infrastructure.