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coolvds.com › Blog › Server Administration

Stop Trusting Javascript: Deep Server Log Analysis with AWStats on Linux

· CoolVDS Team

Client-side analytics miss up to 20% of your traffic. Learn how to configure AWStats on CentOS 6 and Debian to capture the raw truth of your server's performance, while keeping data compliant with Norwegian regulations.

coolvds.com › Blog › Server Administration

The 2012 Guide to Bulletproof Postfix Configuration on CentOS 6

· CoolVDS Team

Stop your emails from hitting the spam folder. A battle-hardened guide to configuring Postfix 2.x, implementing SPF/DKIM, and securing your mail queue against open relay attacks on Norwegian infrastructure.

coolvds.com › Blog › Server Administration

Why We Bet on Xen: The Battle for True Server Isolation

· CoolVDS Team

Tired of 'noisy neighbors' killing your database performance? We dissect the Xen hypervisor, compare PV vs HVM, and explain why hardware virtualization is the only logical choice for serious Norwegian infrastructure in 2012.

coolvds.com › Blog › Tutorials & Guides

Stop Landing in Spam: The Battle-Hardened Postfix Configuration Guide (2012 Edition)

· CoolVDS Team

Tired of your transactional emails disappearing into the void? We strip away the mystery of mail servers. Here is the definitive guide to configuring a bulletproof Postfix setup on Debian Squeeze, ensuring high deliverability and low latency for Norwegian infrastructure.

coolvds.com › Blog › Server Administration

The Definitive Guide to Xen Virtualization: PV vs HVM for High-Performance Systems

· CoolVDS Team

A battle-hardened guide to configuring Xen 4.1 hypervisors on CentOS 6. We dissect the differences between Paravirtualization and HVM, explore storage tuning with LVM, and explain why true hardware isolation beats containerization for Norwegian enterprise workloads.

coolvds.com › Blog › Server Administration

Building a Bulletproof Postfix Mail Server on Linux (2011 Edition)

· CoolVDS Team

Stop relying on shared hosting for critical email. This guide covers the essential Postfix configuration steps to ensure deliverability, secure your MTA against relays, and keep the Norwegian Data Inspectorate happy.

coolvds.com › Blog › Server Administration

Stop Grepping: Visualizing Server Traffic with AWStats on CentOS & Debian

· CoolVDS Team

Raw access logs tell the truth, but they are impossible to read. Learn how to deploy AWStats for granular traffic analysis without relying on JavaScript trackers, and why high I/O performance is critical for log processing.