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coolvds.com › Blog › Performance Optimization

Optimizing API Gateway Performance: Tuning Nginx & Kong for Low Latency

· CoolVDS Team

Bottlenecks in your API gateway can cripple your microservices. We dive into kernel-level tuning, Nginx worker optimization, and the infrastructure requirements needed to handle 10k+ requests per second in a pre-GDPR world.

coolvds.com › Blog › Security & Compliance

Disaster Recovery for Norwegian Ops: When `rm -rf /` Happens to You

· CoolVDS Team

Hardware fails, and fat fingers destroy databases. In this 2017 guide, we ditch the fluff and build a battle-tested Disaster Recovery plan using MySQL 5.7 replication, lsyncd, and Norwegian data sovereignty principles.

coolvds.com › Blog › DevOps & Infrastructure

Container Security: Stop Treating Docker Like a VM (2016 Edition)

· CoolVDS Team

It's September 2016, and Docker is everywhere. But most deployments in Norway are fundamentally insecure. Here is the battle-hardened guide to locking down your containers before you leak data.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring Tells You You're Screwed. Observability Tells You Why.

· CoolVDS Team

Nagios alerts might wake you up, but they won't fix your code. In the era of Docker and microservices, we explore the shift from binary monitoring to deep system observability using ELK, Prometheus, and high-performance infrastructure.

coolvds.com › Blog › Security & Compliance

Docker in Production: Taming the Security Beast Before It Bites

· CoolVDS Team

Containerization is revolutionizing deployment, but the security model in 2014 is still the Wild West. From Shellshock mitigation to kernel namespaces, here is how to run Docker securely on Norwegian infrastructure without exposing root.

coolvds.com › Blog › DevOps & Infrastructure

The 'No-Ops' Illusion: Architecting Decoupled Microservices on Bare-Metal KVM

· CoolVDS Team

It is June 2014. Monoliths are dying, Docker 1.0 has just landed, and the promise of 'No-Ops' is seducing CTOs. Here is why you should ignore the PaaS hype and build your own high-performance worker clusters using RabbitMQ and KVM in Norway.

coolvds.com › Blog › Security & Compliance

Paranoia is a Virtue: The 2011 Guide to Locking Down Your Linux VPS

· CoolVDS Team

In an era of LulzSec and automated botnets, default settings are a death sentence. Here is the battle-hardened guide to securing your CentOS and Debian servers, optimized for Norwegian infrastructure standards.

coolvds.com › Blog › Performance Optimization

Apache vs. Lighttpd: Tuning for Concurrency and Low Latency in 2011

· CoolVDS Team

Is Apache's process overhead killing your VPS performance? We dive deep into the Lighttpd event-driven architecture, compare configs, and analyze why hardware choice—specifically SSDs—matters just as much as your web server daemon.

coolvds.com › Blog › Hosting Solutions

Stop Sharing Your CPU: Why Serious Projects Leave Shared Hosting for VPS

· Georgi Dimitrov

Is your site crawling during peak hours? We analyze the technical bottlenecks of shared hosting environments and demonstrate why moving to a Xen-based VPS like CoolVDS is the only viable path for performance and stability in 2011.

coolvds.com › Blog › Server Administration

Stop Grepping: Visualizing Server Traffic with AWStats on CentOS & Debian

· CoolVDS Team

Raw access logs tell the truth, but they are impossible to read. Learn how to deploy AWStats for granular traffic analysis without relying on JavaScript trackers, and why high I/O performance is critical for log processing.

coolvds.com › Blog › Server Administration

OpenVZ vs. Xen/KVM: Why Your Cheap VPS is Killing Your Uptime

· CoolVDS Team

It’s 2011, and the VPS market is flooded with 'unlimited' offers. We dissect the OpenVZ architecture, expose the 'Burst RAM' myth, and explain why hardware virtualization matters for Norwegian businesses.