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coolvds.com › Blog › Security & Compliance

Lock It Down: Essential Linux Server Hardening for 2009

· CoolVDS Team

Default installations are honey pots for script kiddies. Learn the battle-tested iptables rules and SSH configs that keep your Norway VPS secure while others get rooted.

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

The Fortress Approach: Hardening Your Linux VPS Against Intruders

· CoolVDS Team

A default Linux installation is a sitting duck. In this guide, we cover essential 2009-era security practices: hardening SSH, configuring IPTables, and optimizing for the Norwegian threat landscape.

coolvds.com › Blog › Server Administration

Scaling Out: Surviving the Slashdot Effect with HAProxy on Linux

· CoolVDS Team

Is your single Apache server choking on load average? Stop optimizing httpd.conf and start load balancing. Here is how to deploy HAProxy 1.3 on CentOS to handle traffic spikes without buying an F5.

coolvds.com › Blog › Server Administration

Xen vs. KVM: Why Kernel Integration Wars Define Your VPS Performance

· CoolVDS Team

Red Hat Enterprise Linux 6 has shifted the battlefield from Xen to KVM. We analyze the kernel-level differences, I/O scheduling, and why 'containers' like OpenVZ might be killing your database performance.

coolvds.com › Blog › Server Administration

Why RHEL 6 Dropped Xen: The Case for KVM in Production Environments

· CoolVDS Team

OpenVZ containers are lying to you about RAM. With Red Hat's recent shift to KVM in Enterprise Linux 6, the era of oversold virtualization is ending. Here is how to configure KVM for true hardware isolation and low latency in Norway.

coolvds.com › Blog › Server Administration

Apache vs Lighttpd: The Battle for High-Concurrency Performance

· CoolVDS Team

Is Apache 2.2 killing your server's RAM? We benchmark the industry standard against the event-driven challenger, Lighttpd 1.4, to see which web server best handles the C10k problem on Norwegian infrastructure.

coolvds.com › Blog › Performance Optimization

Scaling API Gateways: Kernel Tuning and Nginx Optimization for Low Latency

· CoolVDS Team

In a post-Safe Harbor world, hosting APIs in Norway isn't just about compliance; it's about raw performance. We dissect the Linux kernel and Nginx configuration required to handle 10k+ concurrent connections without choking.

coolvds.com › Blog › Security & Compliance

Locking Down the Pipe: Industrial-Grade OpenVPN Setup on CentOS 5

· CoolVDS Team

Public Wi-Fi is a security minefield. Learn how to deploy a hardened OpenVPN server, bypass restrictive corporate firewalls, and ensure your data passing through Oslo stays private under the Personal Data Act.