All articles tagged with Linux
In the heat of the 2017 container wars, choosing between Kubernetes and Docker Swarm determines your infrastructure's fate. We analyze performance, complexity, and why underlying hardware like NVMe storage is critical for cluster stability.
The GitLab incident proved that RAID is not a backup. Learn how to architect a bulletproof DR strategy for the Norwegian market using KVM, automation, and common sense.
The perimeter is dead. With GDPR enforcement looming in 2018, relying on a VPN is no longer sufficient. We dissect how to implement Google-style Zero Trust architecture using standard Linux tools and CoolVDS KVM instances.
The perimeter is dead. With GDPR enforcement looming and sophisticated threats bypassing traditional firewalls, relying on a VPN is no longer enough. Here is how to architect a Zero-Trust environment using standard Linux tools on high-performance KVM architecture.
The 'castle-and-moat' security model is dead. Learn how to implement Google-style BeyondCorp principles using Nginx mTLS, rigorous segmentation, and Norwegian data sovereignty on CoolVDS.
Default Docker configurations are dangerous. Learn how to drop capabilities, enforce non-root users, and isolate kernels to satisfy Datatilsynet and sleep at night.
Is your AWS bill spiraling out of control? Learn battle-tested strategies to slash infrastructure costs, optimize Linux performance, and leverage Norwegian data sovereignty without sacrificing speed.
Containers are not magic security boxes. From kernel exploits to network breaches, here is how to harden your Docker stack before the GDPR deadline hits.
RAID is not a backup. In this deep dive, we explore RTO/RPO strategies, script automated offsite backups with rsync, and discuss why data sovereignty in Norway matters more than ever before the 2018 GDPR rollout.
Latency isn't just network lag; it's a revenue killer. We dissect the nuances of Linux performance monitoring, from enabling detailed Nginx upstream logging to identifying the dreaded CPU steal time on oversold hosts.
Latency kills conversion. In this technical deep dive, we dismantle the 'black box' of server performance using Prometheus, Grafana, and kernel-level tuning. Learn how to spot I/O bottlenecks and CPU steal time before your customers do.
The perimeter firewall is dead. With GDPR looming in 2018, relying on a 'trusted internal network' is negligence. Here is how to lock down your infrastructure using standard Linux tools, paranoia, and CoolVDS isolation.
With the GDPR enforcement date looming, the traditional 'castle and moat' security strategy is becoming a liability. We dismantle the perimeter and build a Zero-Trust model using KVM isolation, micro-segmentation, and rigorous identity management.
Nagios says the server is up. Your customers say the site is broken. In this deep dive, we explore the emerging shift from basic monitoring to deep system observability using ELK and Prometheus, specifically tailored for the Norwegian hosting landscape in 2017.
It is not a matter of if, but when. Learn how to architect a bulletproof Disaster Recovery plan using Linux primitives, avoiding the recent GitLab-style meltdown, while keeping your data compliant with Datatilsynet standards.
The 'castle-and-moat' security strategy is failing. In a world of ransomware and looming GDPR regulations, here is how to implement a Zero-Trust model using standard Linux tools available today.
Latency kills conversion. In this deep dive, we explore kernel-level tuning, NGINX optimizations, and the critical role of NVMe storage in reducing API response times for Norwegian users.
Hope is not a strategy. Learn how to architect robust disaster recovery plans using rsync, Percona XtraBackup, and KVM snapshots, specifically tailored for Norwegian data compliance requirements.
A battle-hardened guide to Pod-to-Pod communication, CNI plugins, and optimizing iptables in 2017. Learn why infrastructure latency makes or breaks your cluster.
A battle-hardened look at Kubernetes networking primitives, CNI choices, and why low-latency infrastructure is non-negotiable for stability. Written for the DevOps engineer debugging iptables at 3 AM.
It's March 2017. GitLab just deleted their production DB, and Safe Harbor is dead. If your disaster recovery plan is just a nightly tarball, you are already dead in the water. Here is the battle-hardened guide to survival in the Norwegian hosting landscape.
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.
Is your monthly AWS bill spiraling out of control? Learn how to audit zombie processes, tune MySQL for density, and leverage Norwegian KVM instances to cut infrastructure overhead by 40%.
The traditional VPN-based security model is failing. Learn how to implement a Zero-Trust architecture using KVM isolation, strict iptables segmentation, and mutual TLS to future-proof your Norwegian hosting stack before the 2018 GDPR enforcement.
Packet loss, MTU mismatches, and iptables hell. We dissect the reality of running Kubernetes networking in production and why your underlying VPS choice dictates your cluster's stability.
Perimeter security is no longer sufficient. Learn how to implement a Zero Trust model using Nginx mTLS, strict SSH 2FA, and segmented networking on KVM VPS, preparing your stack for the upcoming 2018 GDPR enforcement.
Why your '100% Uptime' status page is a lie, and how to use the ELK Stack and Prometheus to actually see what your servers are doing. A guide for Norwegian DevOps professionals in 2017.
The traditional VPN castle-and-moat security model is obsolete. With GDPR looming, learn how to implement Google-style BeyondCorp principles using Nginx mTLS, iptables, and strict KVM isolation.
The 'perimeter' security model is dead. With GDPR looming and ransomware evolving, reliance on a single firewall is negligence. Here is how to implement a pragmatic Zero-Trust architecture on your VPS right now.
Your microservices architecture is only as fast as its slowest choke point. We dive deep into kernel-level tuning, NGINX keepalives, and hardware selection to slash latency in 2017.