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coolvds.com › Blog › DevOps & Infrastructure

Hardening Docker 1.12: Container Security in a Post-Dirty COW World

· CoolVDS Team

The 'Dirty COW' exploit woke everyone up. Here is a battle-tested guide to locking down containers on Linux, why KVM is mandatory for true isolation, and how to navigate Norwegian data privacy in late 2016.

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.

coolvds.com › Blog › Security & Compliance

Paranoia is a Virtue: The 2010 Guide to Linux Server Hardening in Norway

· CoolVDS Team

In an era of automated botnets and script kiddies, a default Linux install is a ticking time bomb. Learn the battle-tested strategies to lock down your VPS, comply with Norwegian data laws, and sleep soundly knowing your iptables are holding the line.

coolvds.com › Blog › DevOps & Infrastructure

API Gateway Tuning: Squeezing Milliseconds Out of Nginx & OpenResty

· CoolVDS Team

Latency is the silent killer of microservices. In this deep dive, we bypass default settings to tune the Linux kernel, optimize SSL handshakes, and configure Nginx for raw throughput on high-performance KVM infrastructure.

coolvds.com › Blog › Security & Compliance

The Death of the Perimeter: Implementing Zero-Trust Architecture in 2017

· CoolVDS Team

The 'castle and moat' security strategy is obsolete. With GDPR enforcement looming and sophisticated lateral attacks on the rise, Norwegian CTOs must pivot to a Zero-Trust model. Here is how to implement Google-style BeyondCorp security on your Linux infrastructure today.

coolvds.com › Blog › DevOps & Infrastructure

Stop Blaming Maven: Why I/O Latency is Killing Your CI/CD Pipeline

· CoolVDS Team

Your build times aren't slow because of your code—they're slow because your VPS storage is choking. We analyze the impact of Disk I/O on Docker and Jenkins pipelines and why NVMe-backed KVM is the only viable architecture for 2016.

coolvds.com › Blog › DevOps & Infrastructure

Container Security in 2016: Stop Running Docker as Root in Production

· Ivan Shevchenko

It is 2016, and Docker is eating the world. But most implementations I see in Norway are wide-open security nightmares. Here is how to lock down your containers on Ubuntu 16.04 and CentOS 7 before you get hit.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking: Escaping Docker Port Hell Before v1.0

· CoolVDS Team

Docker links are dead. As we approach the Kubernetes v1.0 release, we dissect the 'IP-per-Pod' model, configure Flannel overlays on Ubuntu 14.04, and explain why your underlying VPS architecture makes or breaks microservices performance.

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.