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#CentOS

All articles tagged with CentOS

#CentOS

Automating Security Compliance: Surviving the 2018 Regulatory Shift with Ansible and OpenSCAP

With the new EU data regulations looming, manual server hardening is a liability. Learn how to automate security baselines on CentOS 7 using Ansible and OpenSCAP, ensuring your infrastructure meets Norwegian Datatilsynet standards before the audit hits.

Tuning Nginx as an API Gateway: The 2017 Guide to Sub-Millisecond Latency

Default configurations are the enemy of performance. In this deep dive, we strip down Nginx and the Linux kernel to handle high-concurrency API traffic, specifically targeting the unique latency profile of the Nordic infrastructure.

Surviving the Thundering Herd: Nginx Tuning for API Gateways on Norwegian Infrastructure

Latency kills. Learn how to tune the Linux kernel and Nginx for high-throughput API gateways, specifically tailored for the Norwegian network topology available in 2017.

Beyond Nagios: Why "Green" Status Lights Are Lying About Your Infrastructure

It is March 2017. The era of simple uptime checks is dead. Discover how to move from passive monitoring to active observability using Prometheus, ELK, and raw kernel metrics on high-performance Linux VDS.

Stop Trusting Ping: Real Infrastructure Monitoring at Scale (2017 Edition)

Alert fatigue and steal time are silent killers. We explore how to build a robust Prometheus & Grafana stack on CentOS 7 to catch what simple ping checks miss, specifically tailored for the Norwegian hosting landscape.

API Gateway Performance Tuning: Why Your 502 Errors Are a Config Problem, Not a Code Problem

Microservices are adding network hops that kill your latency. In this deep dive, we strip down Nginx and Kernel parameters to handle high-concurrency loads on Norwegian infrastructure.

High-Throughput API Gateways: Nginx Tuning & NVMe Architecture for Nordic Traffic

Latency isn't just network distance; it's disk I/O and kernel locks. We dissect the 2016 stack for high-performance API Gateways, focusing on Nginx tuning, TCP stack optimization on CentOS 7, and why NVMe storage is the only viable option for serious workloads.

Automating Infrastructure Compliance: Preparing for the GDPR Era with Ansible

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.

API Gateway Performance Tuning: Squeezing Milliseconds out of Nginx and Kong in 2016

Microservices are exploding, but so is your latency. Learn how to tune Nginx, optimize Linux kernel parameters for high concurrency, and why hardware selection determines 50% of your API's response time.

Automating Security Compliance: A CTO’s Guide to Hardening Infrastructure in Norway (2016 Edition)

With the recent invalidation of Safe Harbor and the looming EU Data Protection Reform, manual security is a liability. Learn how to automate server hardening on CentOS 7 and Ubuntu 16.04 using Ansible to satisfy Datatilsynet requirements.

Compliance as Code: Automating Security for the Pending GDPR Shift

With Safe Harbor dead and the GDPR clock ticking, manual server hardening is a liability. Here is how to use Ansible and OpenSCAP to enforce Norwegian compliance standards on CentOS 7.

Surviving the Switch: Zero-Downtime Database Migration Strategies for Norwegian High-Traffic Sites

It's 3 AM and your database migration just stalled. Avoid the panic. We detail the battle-tested replication strategies using Percona XtraBackup and rsync that keep Norwegian data sovereign and uptime at 100%.

Surviving the Spike: Architecting Low-Latency Infrastructure Monitoring in 2016

Stop relying on basic ping checks. Learn to architect a scalable monitoring stack using Zabbix 3.0 and ELK on CentOS 7 to visualize real-time I/O bottlenecks and keep your data within Norwegian borders.

Taming Microservices Chaos: Implementing API Gateway Patterns with Kong 0.8 on CentOS 7

Stop managing Nginx config files by hand. Learn how to deploy Kong as an API Gateway to centralize authentication, rate limiting, and logging for your microservices architecture, specifically optimized for high-performance KVM environments.

Kill the Wait: Optimizing CI/CD Pipelines for High-Performance DevOps in 2016

Is your Jenkins build queue moving slower than rush hour on Ring 3? We dissect the hidden I/O bottlenecks killing your deployment times and how to fix them with proper infrastructure tuning.

Zero-Downtime or Bust: Architecting Disaster Recovery in a Post-Safe Harbor World

The invalidation of Safe Harbor has exposed the cracks in European data strategies. Here is a battle-tested guide to surviving catastrophic failure using KVM, MySQL replication, and Norwegian data sovereignty.

Stop Flying Blind: Real-Time Infrastructure Monitoring with Datadog on Linux

Legacy monitoring tools like Nagios can't keep up with dynamic scaling. We dismantle the implementation of Datadog on CentOS 7, covering Nginx metrics, custom tags, and why data residency in Norway is critical post-Safe Harbor.

Kubernetes 1.1 Networking Deep Dive: Surviving the Overlay Chaos

Kubernetes 1.1 promises orchestration nirvana, but the networking model can be a nightmare. We break down the flat network requirement, compare Flannel vs. Weave, and explain why your underlying VPS architecture decides your cluster's fate.

Scaling Nginx as an API Gateway: Tuning for Sub-10ms Latency in the Post-Safe Harbor Era

Default Nginx configurations are bottlenecking your API. We dive deep into kernel tuning, worker connections, and SSL optimization to handle high concurrency on KVM infrastructure.

Scaling API Gateways: Nginx Tuning & Kernel Optimization for High-Throughput Microservices

It is late 2015. Microservices are exploding, but your API gateway is choking. Learn how to tune Nginx 1.9.x for HTTP/2, optimize the Linux kernel for massive concurrency, and why hardware selection matters more than code optimization.

Kill the Perimeter: Implementing Zero-Trust on Linux in Post-Safe Harbor Europe

The 'Castle and Moat' security model is dead. Following the invalidation of Safe Harbor, relying on perimeter firewalls is negligence. Here is how to implement a Zero-Trust architecture on Linux right now using CentOS 7, OpenVPN, and the new Let's Encrypt beta.

Surviving the Kernel Panic: A Pragmatic Disaster Recovery Strategy for Norwegian Systems

Don't let a hardware failure become a business failure. We analyze the specific constraints of Norwegian data laws following the Safe Harbor collapse and implement a robust KVM-based recovery plan using MySQL 5.6 replication and rsync.

Automating Compliance: Surviving the Post-Safe Harbor Fallout in Norway

With the invalidation of Safe Harbor, hosting data in Norway is no longer just a preference—it's a necessity. Learn how to automate security baselines using Ansible and OpenSCAP to satisfy Datatilsynet without burning out your sysadmins.

Automating Security Compliance: Surviving the Safe Harbor Fallout with Norwegian Infrastructure

With the invalidation of Safe Harbor, relying on US-based clouds is a legal gamble. Learn how to automate server hardening with Ansible and OpenSCAP to satisfy Datatilsynet requirements while ensuring high-performance hosting in Norway.

Safe Harbor is Dead: Why Your Disaster Recovery Plan Needs a Norwegian Passport

With the recent EU court ruling invalidating Safe Harbor, your Disaster Recovery strategy isn't just about backups—it's about data sovereignty. Here is a battle-tested technical guide to replicating MySQL and assets to Norwegian soil.

Stop Guessing: The 2015 Guide to Application Performance Monitoring in Norway

Is it a code memory leak or just oversold hosting? We break down the ELK stack, CPU steal time, and why the recent Safe Harbor ruling makes hosting in Oslo critical for performance and compliance.

Crushing Latency: Tuning Nginx 1.9.x for High-Throughput APIs in Norway

Is your API gateway choking on concurrent connections? We dive into kernel-level tuning, the brand new HTTP/2 protocol, and why the recent Safe Harbor invalidation makes local Norwegian hosting the only smart technical choice.

Multi-Cloud vs. Hybrid: Architecting for Redundancy and Norwegian Data Sovereignty

Is public cloud lock-in draining your IT budget? We analyze the TCO of hybrid architectures in 2015, combining AWS scalability with the raw IOPS of local KVM VPS, and why keeping core data in Norway matters more than ever.

Automating Server Hardening: Compliance Strategies for Norwegian CTOs (2015 Edition)

With the Safe Harbor framework crumbling and Datatilsynet watching, manual security is a liability. Learn how to automate compliance using Ansible and KVM isolation on CoolVDS.

Automating Compliance: Why Manual Hardening is Killing Your Audit Strategy

With the Safe Harbor framework crumbling, relying on manual server hardening is a liability. Learn how to automate security compliance on Norwegian infrastructure using Ansible 1.9.