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coolvds.com › Blog › Hosting Solutions

The Cloud Hangover: Reducing Infrastructure TCO Without Killing Performance

· Viktor Novak

Cloud adoption was supposed to save us money. Two years later, the CFO is asking why our hosting bill rivals our payroll. Here is a pragmatic look at optimizing spend, rightsizing instances, and why data sovereignty in Norway matters more than ever in 2015.

coolvds.com › Blog › DevOps & Infrastructure

Taming the Beast: Kubernetes Networking Deep Dive (Pre-v1.0 Edition)

· CoolVDS Team

Google's Kubernetes is changing how we orchestrate Docker containers, but the networking model is a headache for traditional sysadmins. We analyze the 'One IP Per Pod' model, configure Flannel manually, and explain why your kernel version matters.

coolvds.com › Blog › DevOps & Infrastructure

Decomposing the Monolith: Practical Microservices Patterns for Nordic Ops

· CoolVDS Team

Moving from monolithic architectures to microservices introduces network complexity and latency challenges. We explore service discovery, containerization with Docker 1.6, and why raw KVM performance is non-negotiable for distributed systems in 2015.

coolvds.com › Blog › DevOps & Infrastructure

Stop Watching Progress Bars: Optimizing CI/CD Pipelines in 2015

· CoolVDS Team

Is your Jenkins build giving you enough time to finish a coffee and read Hacker News? That is a problem. We break down how disk I/O, virtualization types, and Nordic network topology impact your build times.

coolvds.com › Blog › Security & Compliance

Paranoia is a Virtue: The 2012 Guide to Linux Server Hardening in Norway

· CoolVDS Team

Following the massive security breaches of 2011, default configurations are no longer acceptable. Learn how to lock down your CentOS and Debian servers using SSH keys, iptables, and Fail2Ban while ensuring compliance with Norwegian data laws.