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coolvds.com › Blog › Database Management

MySQL 5.5 Performance Tuning: Stop Optimizing for Rotating Rust

· CoolVDS Team

It is 2011. If you are still running MyISAM on CentOS 5 with default settings, your I/O wait is killing your application. Here is the battle-tested guide to MySQL 5.5 tuning, InnoDB migration, and why raw disk speed matters more than you think.

coolvds.com › Blog › Security & Compliance

FTP is Dead: Why Smart SysAdmins in Norway are Locking Down Port 21

· CoolVDS Team

Sending credentials in cleartext is professional suicide in 2011. We analyze the risks of legacy FTP, demonstrate how to implement a chrooted SFTP environment using OpenSSH, and discuss why Norwegian data privacy laws demand better encryption standards.

coolvds.com › Blog › Server Administration

Linux Server Hardening: The 20-Minute Drill for Norwegian Systems

· CoolVDS Team

A battle-hardened guide to securing your CentOS and Debian servers against automated botnets. Covers SSH locking, iptables configuration, and Fail2Ban, specifically tailored for the Norwegian hosting landscape in 2011.

coolvds.com › Blog › Server Administration

Stop Wasting RAM: Migrating from Apache mod_php to PHP-FPM & Nginx

· CoolVDS Team

Is your server swapping under load? We dive deep into the architecture of PHP-FPM, available natively in PHP 5.3.3+, and show you how to configure Nginx on CentOS 6 to handle thousands of concurrent connections without melting your hardware.

coolvds.com › Blog › Security & Compliance

Stop Using FTP: Securing File Transfers with SFTP and Chroot on Linux

· CoolVDS Team

FTP sends your credentials in clear text. In 2011, with attacks like Gumblar still circulating, continuing to use standard FTP is negligence. Learn how to migrate to SFTP, lock down users with Chroot, and satisfy Datatilsynet requirements on your CoolVDS instance.

coolvds.com › Blog › Performance Optimization

MySQL Performance Tuning: Stop Killing Your I/O and Optimize for 2011

· CoolVDS Team

Default MySQL configurations are designed for 256MB RAM servers from 2002. Here is the battle-hardened guide to tuning InnoDB on Linux, leveraging SSDs, and handling high-concurrency loads in the Norwegian hosting market.

coolvds.com › Blog › Server Administration

Nginx as a Reverse Proxy: Stop Your Apache Server from Choking on Traffic

· CoolVDS Team

Is your Apache server hitting max clients while RAM usage spikes? Learn how to deploy Nginx as a high-performance reverse proxy to handle static assets and concurrency, specifically tailored for Norwegian infrastructure needs.

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 › Performance Optimization

Redis vs. The File System: Scaling PHP Sessions in High-Load Environments

· CoolVDS Team

Stop letting disk I/O kill your application performance. We explore why switching from default file-based sessions to Redis is the critical upgrade for scaling PHP applications in 2011, specifically for the Norwegian market.

coolvds.com › Blog › Database Management

PostgreSQL 9.0 vs MySQL 5.5: The Battle for Your Data in 2011

· CoolVDS Team

Oracle has bought Sun, PostgreSQL finally has Hot Standby, and SSDs are changing the I/O game. We benchmark the two giants of open source databases for the Norwegian hosting market.

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 › Performance Optimization

Apache vs Lighttpd: Surviving the C10k Problem in 2011

· CoolVDS Team

Is Apache 2.2 choking your RAM? We benchmark the industry standard against the event-driven speed demon, Lighttpd. Discover which web server architecture handles high concurrency best on Norwegian infrastructure.