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coolvds.com › Blog › Server Administration

OpenVZ vs. KVM: The Truth About "Burst RAM" and Overselling in 2011

· CoolVDS Team

Is your VPS actually dedicated? We analyze the architecture of OpenVZ containers, the hidden dangers of /proc/user_beancounters, and why true hardware isolation matters for your Norwegian business infrastructure.

coolvds.com › Blog › Server Administration

Server Log Forensics: Why You Need AWStats When Analytics Fail

· CoolVDS Team

Client-side tracking misses the full picture. Discover how to configure AWStats 7.0 for deep server-side analysis, uncover botnets, and audit bandwidth on high-performance infrastructure.

coolvds.com › Blog › Tutorials & Guides

Stop Guessing: Precision Server Log Analysis with AWStats on Linux

· Stefan Stoyanov

Client-side tracking misses 20% of your traffic. Learn how to configure AWStats for granular server-side analytics, optimize I/O performance for log parsing, and keep your data compliant with Norwegian privacy laws.

coolvds.com › Blog › Security & Compliance

FTP is Dead: Securing Your Data Transfer with SFTP on Linux

· CoolVDS Team

Plain text FTP is a massive security liability. Learn how to implement chrooted SFTP on CentOS and Debian to satisfy Datatilsynet requirements and secure your infrastructure.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL: The 2011 Performance Showdown for Nordic Sysadmins

· CoolVDS Team

With Oracle's shadow over MySQL and PostgreSQL 9.0's replication breakthrough, the database landscape has shifted. We analyze the trade-offs, configuration flags, and why KVM virtualization is non-negotiable for database IO.

coolvds.com › Blog › Database Management

Stop Killing Your Disk I/O: Migrating PHP Sessions to Redis

· CoolVDS Team

Is your web application stalling during high traffic? The bottleneck might be your hard disk. Discover why seasoned sysadmins are ditching file-based sessions for Redis 2.2 to achieve sub-millisecond latency.

coolvds.com › Blog › Hosting Solutions

Cloud Storage Myths in 2011: Why Latency is the Real Enemy

· Georgi Dimitrov

Is the "Cloud" just a marketing buzzword for slow remote servers? We dissect the state of storage technology in 2011, from spinning rust to the SSD revolution, and explain why hosting in Norway matters.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd: The Battle for Concurrency in 2011

· CoolVDS Team

Is Apache's process-based model killing your RAM? We benchmark the heavy-hitter against the event-driven challenger, Lighttpd, to see which server architecture handles the C10k problem best on Norwegian infrastructure.

coolvds.com › Blog › Security & Compliance

Hardening Remote Access: OpenVPN Deployment on Debian 6

· CoolVDS Team

Public Wi-Fi is a security minefield. Learn how to deploy a rock-solid OpenVPN server on Debian Squeeze to encrypt your traffic, bypass restrictive firewalls, and keep your data subject to Norwegian privacy laws.

coolvds.com › Blog › Server Administration

Nginx Reverse Proxy: Stop Apache from Eating Your RAM

· CoolVDS Team

Is your Apache server choking under load? Learn how to deploy Nginx 1.0 as a reverse proxy to handle thousands of concurrent connections while keeping your backend lean. A production-ready guide for 2011.

coolvds.com › Blog › Security & Compliance

FTP is Dead: Why You Must Switch to SFTP Immediately

· CoolVDS Team

Sending passwords in cleartext over port 21 is professional suicide in 2011. Learn how to implement chrooted SFTP on your CoolVDS server to satisfy Datatilsynet and secure your infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Scaling Past the Slashdot Effect: The Battle-Hardened Guide to HAProxy 1.4

· CoolVDS Team

Traffic spikes shouldn't result in a 503 Service Unavailable. In this deep dive, we configure HAProxy 1.4 for high availability, analyze Round Robin strategies, and explain why underlying virtualization architecture dictates your load balancer's survival.