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coolvds.com › Blog › Security & Compliance

FTP is Dead: Securing Your Data Transfer with SFTP and OpenSSH

· CoolVDS Team

Sending passwords over port 21 is a security suicide mission. Here is how to lock down your file transfers using SFTP chroots on CentOS and Debian, ensuring compliance with Norwegian privacy standards.

coolvds.com › Blog › Tutorials & Guides

Stop Guessing: Precision Server Log Analysis with AWStats on Linux

· Stefan Stoyanov

Client-side tracking misses 20% of your traffic. Learn how to configure AWStats for granular server-side analytics, optimize I/O performance for log parsing, and keep your data compliant with Norwegian privacy laws.

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 › 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 › 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.

coolvds.com › Blog › Server Administration

The Truth About Virtualization: Why Xen Still Beats "Cloud" Hype in 2011

· CoolVDS Team

Stop letting noisy neighbors kill your database performance. We dissect why Xen paravirtualization is the only serious choice for stability, how to tune DomU for high loads, and why hosting in Norway matters for your I/O.

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 › Server Administration

Apache vs. Lighttpd: The Battle for Concurrency on High-Performance VPS

· CoolVDS Team

Is Apache 2.2 killing your RAM? We benchmark the ubiquitous giant against the event-driven challenger, Lighttpd. A deep dive into the C10K problem, FastCGI implementation, and why your choice of web server matters for hosting in Norway.

coolvds.com › Blog › Security & Compliance

Lockdown 2011: Essential Linux Server Hardening for Nordic Enterprises

· CoolVDS Team

Default Linux installations are a security liability. Learn the critical hardening steps—from SSH keys to iptables—needed to secure your infrastructure against modern botnets, while ensuring compliance with Norway's Personal Data Act.