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coolvds.com › Blog › Database Management

MySQL vs PostgreSQL in 2010: Survival Guide for Nordic SysAdmins

· CoolVDS Team

With Oracle's acquisition of Sun shaking the open source community and PostgreSQL 9.0 introducing streaming replication, the database landscape has shifted. We benchmark the choices for high-performance hosting in Norway.

coolvds.com › Blog › Tutorials & Guides

Automated Backups: Why Your Manual Shell Scripts Will Eventually Fail You

· CoolVDS Team

RAID is not a backup. Stop relying on luck and manual tarballs. Here is the battle-hardened guide to automating disaster recovery on Linux systems using rsync, encryption, and offsite storage in compliance with Norwegian data laws.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL in late 2010: The Architect's Guide to Data Integrity

· CoolVDS Team

With Oracle's acquisition of Sun shaking up the open source world, the database debate has never been louder. We benchmark MySQL 5.1 against the new PostgreSQL 9.0, analyzing locking mechanisms, replication, and why I/O performance on your VPS is the bottleneck you're ignoring.

coolvds.com › Blog › Tutorials & Guides

Building a Bulletproof OpenVPN Gateway on CentOS 5: A Sysadmin’s Guide

· Barbora Nová

Stop trusting public Wi-Fi. This guide covers a production-ready OpenVPN deployment on CentOS 5, tackling iptables routing, certificate generation, and the critical TUN/TAP driver requirements often missing in cheap hosting.

coolvds.com › Blog › Database Management

MySQL vs PostgreSQL: The Architect’s Dilemma for 2010

· CoolVDS Team

With Oracle's acquisition of Sun shaking up the open-source world and PostgreSQL 9.0 introducing streaming replication, the database debate has never been hotter. We benchmark the trade-offs for Norwegian infrastructure.

coolvds.com › Blog › Security & Compliance

Building a Fortress: Secure OpenVPN Deployment on CentOS 5

· CoolVDS Team

Stop leaking sensitive data over public WiFi. We guide you through deploying a hardened OpenVPN server in Norway using 2048-bit keys and proper iptables masquerading.

coolvds.com › Blog › Server Administration

Unmasking Your Traffic: High-Performance Log Analysis with AWStats

· CoolVDS Team

Javascript trackers lie. Server logs tell the truth. Learn how to deploy AWStats for granular traffic analysis on CentOS and Debian, and why dedicated I/O is critical for parsing gigabytes of data.

coolvds.com › Blog › Database Management

MySQL Performance Tuning: Stop Killing Your Disk I/O

· CoolVDS Team

Is your MySQL server choking under load? In 2010, the bottleneck is almost always the disk. Learn how to tune my.cnf, switch to InnoDB, and why hardware RAID matters for Norwegian hosting.

coolvds.com › Blog › Server Administration

Surviving the Slashdot Effect: High Availability with HAProxy 1.4 on Linux

· CoolVDS Team

Is your single Apache server ready for a traffic spike? Learn how to deploy HAProxy 1.4 for robust load balancing and failover. We cover Layer 7 switching, configuration strategies, and why low-latency hardware in Oslo matters for Norwegian businesses.

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.

coolvds.com › Blog › Server Administration

Port 21 is a Security Hole: Configuring SFTP Chroot Jails on CentOS 5

· CoolVDS Team

Plain FTP sends your root passwords in cleartext. Stop exposing your infrastructure to packet sniffers. Here is the battle-tested guide to locking down file transfers using OpenSSH chroots on Linux, ensuring compliance with Norwegian data laws.

coolvds.com › Blog › Server Administration

Sleep Soundly: The Art of Bulletproof Automated Backups on Linux

· CoolVDS Team

RAID is not a backup. In this deep dive, we explore automated disaster recovery strategies for 2010, covering mysqldump locking, rsync over SSH, and compliance with Norway's Personal Data Act.

coolvds.com › Blog › Performance Optimization

PHP-FPM: The Secret Weapon for High-Traffic PHP Sites

· CoolVDS Team

Stop letting Apache mod_php eat your RAM. Learn how to configure PHP-FPM (FastCGI Process Manager) with Nginx to handle massive concurrency without upgrading hardware.

coolvds.com › Blog › Security & Compliance

Lock It Down: Essential Linux Server Hardening for Norwegian Enterprises

· CoolVDS Team

The default Linux installation is not secure. From locking down SSH to configuring iptables, here is the battle-tested guide to securing your VPS against the rising tide of automated botnets targeting European infrastructure.