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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

Stop Touching Production: The Case for Git-Driven Infrastructure in 2016

· Ivan Shevchenko

Manual SSH deployments are creating snowflake servers and security risks. Here is how to implement a Git-centric workflow using Jenkins 2.0, Ansible, and Docker to enforce immutable infrastructure on your Norwegian VPS.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Surviving the Packet Jungle in Production

· Michał Zając

A battle-hardened look at Kubernetes 1.2 networking, from the chaos of iptables to the latency costs of overlay networks like Flannel. Learn how to debug packet drops and why your underlying VPS hardware in Norway makes or breaks your cluster.

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 › DevOps & Infrastructure

Kubernetes Networking Deep Dive: Taming the iptables Beast (v1.2 Edition)

· CoolVDS Team

A battle-hardened look at how Kubernetes handles pod-to-pod communication. We dissect the specific challenges of CNI plugins like Flannel and Calico, debug MTU mismatches, and explain why raw underlying hardware performance is critical for overlay networks.

coolvds.com › Blog › DevOps & Infrastructure

Stop Bleeding Money: A Pragmatic Guide to Hosting TCO in 2016

· CoolVDS Team

Cloud elasticity is often a pricing trap. We analyze how moving from public cloud giants to high-performance KVM instances like CoolVDS, combined with PHP 7 and Nginx tuning, can slash hosting costs by 40% while satisfying Norwegian data residency requirements.

coolvds.com › Blog › DevOps & Infrastructure

Locking Down Docker: Survival Guide for Norwegian DevOps in 2016

· CoolVDS Team

Container adoption is exploding, but default configurations leave you vulnerable. We dissect Docker 1.10 security features, user namespaces, and why KVM isolation remains critical for Norwegian data compliance post-Safe Harbor.

coolvds.com › Blog › DevOps & Infrastructure

CI/CD Bottlenecks: Why Your Jenkins Builds Are Slow (And How to Fix Them)

· CoolVDS Team

Is your deployment pipeline bleeding time? We dissect disk I/O blocking, proper Docker caching strategies, and the critical impact of hardware virtualization on CI/CD performance. Learn how to cut build times by 40% using KVM and NVMe infrastructure.