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#CentOS

All articles tagged with CentOS

#CentOS

Orchestration Wars: Kubernetes vs. Swarm vs. Nomad in a Post-Schrems II World

It is late 2020. Kubernetes has won the marketing war, but does your architecture actually require that level of complexity? We analyze the trade-offs between K8s, Docker Swarm, and HashiCorp Nomad, focusing on overhead, persistence, and why running these on compliant Norwegian NVMe VPS is critical for GDPR.

Automating Server Hardening: A DevOps Guide to GDPR & CIS Compliance in 2020

Manual security checklists are a liability. Learn how to automate CIS-level hardening on Linux infrastructure using Ansible and OpenSCAP, ensuring your Norwegian VPS meets Datatilsynet standards without sacrificing performance.

Automating Infrastructure Compliance: Why Manual Audits Fail (and How to Fix It with OpenSCAP)

Manual security checklists are a liability in the GDPR era. Learn how to automate compliance scanning on CentOS 7 and Ubuntu 18.04 using OpenSCAP and Ansible, ensuring your infrastructure meets Datatilsynet standards without the administrative overhead.

Disaster Recovery in 2019: Why Your "Backups" Will Fail When You Need Them Most

RAID is not a backup. Snapshots are not a strategy. In this deep-dive, we dismantle common disaster recovery myths and build a battle-tested failover architecture using CentOS 7, MariaDB replication, and Norwegian infrastructure resilience.

Automating GDPR Compliance: OpenSCAP and Ansible on Norwegian Infrastructure

Manual security audits are a liability in 2019. Learn to automate CIS-level hardening on CentOS 7 using OpenSCAP and Ansible, keeping the Norwegian Datatilsynet happy and your infrastructure secure.

Automating GDPR Compliance: A DevOps Guide to Hardening Linux Infrastructure (August 2018 Edition)

The GDPR grace period is over. Manual security hardening is a liability. Learn to automate compliance using Ansible and OpenSCAP, ensuring your infrastructure meets Datatilsynet standards without destroying your velocity.

Automating Compliance: Surviving the GDPR Crunch with Ansible and OpenSCAP

With the GDPR deadline just days away, manual server hardening is a liability. We explore how to automate security compliance using Ansible and OpenSCAP on Norwegian infrastructure.

Automating GDPR Compliance: A CTO’s Guide to Infrastructure as Code in 2018

With the May 25th deadline approaching, manual server hardening is a liability. Learn how to use Ansible and OpenSCAP to enforce security benchmarks on your Norwegian infrastructure.

Disaster Recovery is Not Just Backups: Surviving the Inevitable in the GDPR Era

It's March 2018. The GDPR enforcement date is looming. If your primary node melts down today, do you have a plan? We break down RTO, RPO, and practical replication strategies using standard Linux primitives.

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.