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coolvds.com › Blog › Tutorials & Guides

Hardening OpenVPN on CentOS 6: A Survival Guide for the Paranoid Sysadmin

· CoolVDS Team

Public Wi-Fi is a security minefield. Stop relying on third-party VPN providers that log your traffic. Here is a battle-tested guide to deploying a military-grade OpenVPN server on a Norwegian VPS using CentOS 6 and 2048-bit encryption.

coolvds.com › Blog › Server Administration

Stop Sharing Your CPU: Why Serious Projects Must Leave Shared Hosting for VPS

· CoolVDS Team

Is your site crawling during peak hours? We dissect the architectural limits of shared hosting environments versus the isolation of KVM-based Virtual Private Servers. Learn how to configure Nginx, tune MySQL 5.5, and why latency to Oslo matters for Norwegian businesses.

coolvds.com › Blog › Security & Compliance

Securing Your Remote Access: Setting Up OpenVPN on CentOS 6 in Norway

· CoolVDS Team

With the rise of public WiFi insecurity and data privacy concerns, a personal VPN is mandatory for sysadmins. Learn how to deploy OpenVPN on a Norwegian VPS to secure your traffic against snooping and comply with strict local privacy laws.

coolvds.com › Blog › Cloud Computing

Cloud Storage in 2011: Solving the I/O Bottleneck for High-Traffic Norwegian Portals

· CoolVDS Team

It is July 2011, and the 'Cloud' is more than just marketing buzz—it's an architectural challenge. We dissect the reality of storage performance, from 15k RPM SAS arrays to the emerging SSD revolution, and explain why latency to the NIX determines your database survival.

coolvds.com › Blog › DevOps & Infrastructure

Cloud Storage Reality Check: SAN vs. Local RAID in the Post-2010 Era

· CoolVDS Team

A pragmatic analysis of cloud storage options available in 2011. We debunk the 'cloud' hype, compare SAN vs. Local RAID-10 performance, and discuss why Norwegian data sovereignty laws make local VPS hosting the smart choice for CTOs.

coolvds.com › Blog › Database Management

Stop Blaming Your PHP: The Real Bottleneck is MySQL I/O (and How to Fix It)

· CoolVDS Team

With the recent release of MySQL 5.5, the rules of database performance have changed. We analyze why moving from MyISAM to InnoDB is non-negotiable, how to tune your my.cnf for modern hardware, and why spinning disks are the silent killer of web applications.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd: Solving the C10k Problem on High-Load Norwegian Servers

· CoolVDS Team

Is your Apache server choking on concurrent connections? We benchmark the industry standard Apache 2.2 against the event-driven challenger Lighttpd 1.4 to determine the best architecture for low-latency hosting in the Nordic region.

coolvds.com › Blog › Hosting Solutions

Escaping the Shared Trap: When to Upgrade to a VPS in Norway

· CoolVDS Team

Shared hosting is cheap, but the 'noisy neighbor' effect kills business critical applications. We analyze the technical limits of standard cPanel hosting versus the dedicated isolation of a Root VPS, focusing on kernel tuning, I/O performance, and Norwegian data compliance.