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coolvds.com › Blog › DevOps & Infrastructure

GitOps in Production: Stop `kubectl apply` from Ruining Your Weekend

· CoolVDS Team

Manual deployments are a ticking time bomb. Learn how to implement a rigorous GitOps workflow in 2018 using Kubernetes and GitLab CI, ensuring your infrastructure is as version-controlled as your code. Optimized for Norwegian data standards.

coolvds.com › Blog › Security & Compliance

Zero-Trust Architecture: Why "Inside the Firewall" Means Nothing in 2018

· CoolVDS Team

With GDPR enforcement just weeks away and the dust still settling from Meltdown/Spectre, the "Castle and Moat" security model is a liability. Here is how to implement a pragmatic Zero-Trust architecture using Nginx mTLS and strict SSH hardening on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Optimizing CI/CD Pipelines: reducing build times on KVM infrastructure

· CoolVDS Team

Waiting for Jenkins builds is burning your development budget. We analyze the I/O bottlenecks in CI/CD pipelines, optimize Docker layer caching, and demonstrate why NVMe storage is critical for 2017-era DevOps workflows.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring is Dead: Why Green Dashboards Don't Save Servers

· CoolVDS Team

Nagios checks might turn green, but your users are still seeing 504 errors. It's time to move from binary monitoring to deep instrumentation with Prometheus and ELK on high-IOPS infrastructure.

coolvds.com › Blog › Security & Compliance

Automating Infrastructure Compliance: Preparing for the GDPR Era with Ansible

· CoolVDS Team

With the Safe Harbor framework invalidated and new EU regulations looming, manual security hardening is a liability. Learn how to automate server compliance using Ansible on CentOS 7 to satisfy auditors and secure your Nordic infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

The I/O Trap: Architecting Monitoring Systems for Scale in 2016

· CoolVDS Team

Why your Zabbix or Graphite instance is choking on disk writes, and how to architect a high-availability monitoring stack using NVMe storage and proper database tuning in a post-Safe Harbor Europe.