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coolvds.com › Blog › Server Administration

Postfix on CentOS 5: Building a Bulletproof Mail Server in Norway

· CoolVDS Team

Running your own mail server isn't just about sending emails; it's about control, privacy, and deliverability. Learn how to configure Postfix 2.8 correctly to avoid blacklists and ensure strict data compliance under Norwegian law.

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

Stop Flying Blind: Deep Server Log Analysis with AWStats on Linux

· CoolVDS Team

Raw access logs are your server's black box. Learn how to configure AWStats for granular traffic insight without killing your disk I/O, and why Norwegian privacy laws demand you handle IP data carefully.

coolvds.com › Blog › Server Administration

Stop Guessing: Unlocking True Traffic Data with AWStats on CentOS 5

· CoolVDS Team

Google Analytics misses 10-20% of your traffic. Learn how to deploy AWStats for server-side truth, optimize Perl execution for large log files, and keep your data compliant with Norwegian privacy standards.

coolvds.com › Blog › Server Administration

Cloud Storage Reality Check: Why IOPS Matter More Than Gigabytes in 2011

· CoolVDS Team

Stop buying hosting based on disk space. We dissect why storage I/O bottlenecks are the real performance killer for your infrastructure, how to diagnose them with `iostat`, and why the shift to SSDs in Norway is inevitable.

coolvds.com › Blog › Performance Optimization

Stop Wasting RAM: Transitioning from mod_php to PHP-FPM in 2010

· CoolVDS Team

Is Apache eating all your memory? With PHP 5.3.3 now including FPM in the core, it is time to abandon the bloated mod_php architecture. Learn how to tune process managers, leverage APC opcode caching, and stabilize high-traffic sites on Norwegian infrastructure.

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 › Database Management

MySQL 5.1 Performance Tuning: Stop Killing Your Disk I/O

· CoolVDS Team

It is 2010, and default MySQL configurations are crippling your web applications. Learn how to optimize InnoDB, manage memory allocation, and leverage SSD technology in Norway to handle high-concurrency loads.

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

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 › Database Management

PostgreSQL vs. MySQL in 2010: Surviving the Oracle Takeover

· CoolVDS Team

With Oracle's acquisition of Sun Microsystems shaking the open source community, choosing the right database has never been more critical. We compare MySQL 5.1 and PostgreSQL 8.4 on performance, ACID compliance, and suitability for Norwegian enterprise hosting.

coolvds.com › Blog › Server Administration

Stop Getting Blacklisted: The 2010 Guide to a Bulletproof Postfix Setup

· CoolVDS Team

Tired of your legitimate business emails landing in junk folders? This guide covers the essential Postfix configuration, RBL integration, and infrastructure requirements to ensure deliverability and compliance with Norwegian data laws.