All articles tagged with "Virtualization"
Standard containers share a kernel, making them a security liability for high-compliance workloads. Learn how to implement Kata Containers v3 on Kubernetes for VM-grade isolation without sacrificing agility, specifically tailored for Norwegian privacy standards.
Stop paying the AWS Lambda premium. Learn how to deploy Amazon's Firecracker MicroVMs on bare-metal capable VPS infrastructure for millisecond boot times and strict isolation.
Docker is exploding in popularity, but standard configurations leave gaping security holes. We explore kernel isolation, Shellshock mitigation, and why running containers on KVM-based VPS is critical for Norwegian data compliance.
Containerization is revolutionizing deployment, but the security model in 2014 is still the Wild West. From Shellshock mitigation to kernel namespaces, here is how to run Docker securely on Norwegian infrastructure without exposing root.
Docker 1.2 is here, but managing containers across multiple hosts is still the Wild West. We compare Fig, CoreOS Fleet, and the emerging Kubernetes to see what actually works in production.
Containerization is exploding, but the shared kernel model exposes risks. We dissect namespaces, cgroups, and why wrapping your containers in a KVM VPS is the only sane choice for production.
With the release of Docker 1.0, everyone wants to containerize. But as a sysadmin managing Norwegian infrastructure, I see gaping security holes. Here is how to lock down LXC and Docker using AppArmor, capabilities, and the right virtualization layer.
Docker 0.9 has changed deployment, but networking across multiple hosts remains a nightmare. We dive deep into manual OVS bridging and GRE tunnels to build a scalable cluster before orchestration tools catch up.
Docker is generating hype, but is version 0.7 ready for your production workloads? We analyze the container landscape from a Norwegian systems architect's perspective, comparing stability, isolation, and the necessity of KVM backbones.
We benchmark the leading container technologies of 2013. Discover why raw LXC performance beats OpenVZ overhead and how to manage isolation without melting your kernel.
Cloud scalability often leads to bill shock. We dissect the 2013 virtualization landscape, moving beyond 'burstable' resources to tangible KVM optimization, SSD leverage, and LEMP stack tuning to cut monthly hosting overhead without sacrificing I/O.
Container virtualization (LXC/OpenVZ) offers speed, but shared kernels invite disaster. Learn how to harden your isolation, drop kernel capabilities, and why KVM might be the safer bet for critical Norwegian workloads.
A deep dive into server virtualization strategies for 2013. We compare container-based virtualization (LXC, OpenVZ) against full hardware virtualization (KVM) and explain why kernel isolation is critical for Norwegian enterprises.
A deep dive into optimizing virtual network throughput using Linux bridging, virtio, and VLAN tagging for high-performance clusters in the Nordic region.
We benchmark the stability and isolation differences between container technologies like OpenVZ/LXC and full hardware virtualization (KVM) to determine what actually belongs in production.
It is March 2013. LXC is entering the enterprise and Docker is making waves. But does sharing a kernel compromise your data? We explore cgroups, namespace isolation, and why hardware virtualization (KVM) remains the gold standard for security in Norway.
Container virtualization is the future, but networking across hosts is a nightmare. We explore how to build a robust multi-host network using LXC, GRE tunnels, and Open vSwitch on high-performance Linux clusters.
Container virtualization offers raw speed, but shared kernels pose significant security risks. Learn how to lock down LXC and OpenVZ environments using cgroups, capabilities, and network isolation.
We benchmark the heavyweights of lightweight virtualization. Is OpenVZ's kernel sharing a ticking time bomb for your production stack? We dive deep into user_beancounters, LXC cgroups, and why KVM might still be the king for isolation.
Container virtualization is lightweight but risky. Learn how to lock down LXC and OpenVZ environments against root escalation and resource exhaustion using cgroups, iptables, and the new Kernel 3.8 user namespaces.
A battle-hardened look at scaling infrastructure in 2013. We tear down the differences between Linux Containers and full virtualization, optimize for SSD I/O, and explain why KVM is the only sane choice for critical workloads in Norway.
Is your budget VPS actually a ticking time bomb? We dissect the OpenVZ architecture, expose the 'burst RAM' myth, and explain why serious systems architects in Norway are moving to hardware virtualization.
A battle-hardened guide to Xen PV vs HVM in 2012. Learn how to secure true hardware isolation, tune I/O schedulers for SSDs, and why OpenVZ overselling is killing your database performance.
OpenVZ overselling is destroying your database performance. We explore why Kernel-based Virtual Machine (KVM) is the production standard for Norway's high-traffic sites, covering I/O tuning, kernel isolation, and true resource dedication on CentOS 6.
Tired of unpredictable 'steal time' and shared kernel limitations? We dive deep into why KVM is the superior choice for serious systems administration in 2012, comparing kernel isolation, I/O performance, and the importance of dedicated resources for Norwegian businesses.
Stop suffering from "noisy neighbors" on oversold OpenVZ nodes. We dissect Xen PV vs. HVM, kernel tuning for virtualized environments, and why hardware isolation matters for your Norway-based infrastructure.
Stop letting 'noisy neighbors' kill your application performance. We dive deep into the architecture of KVM virtualization, CPU steal time, and why real hardware isolation is critical for Norwegian enterprises.
Stop letting noisy neighbors steal your CPU cycles. We analyze the critical differences between OpenVZ containers and KVM virtualization, and why hardware isolation is the only viable path for serious systems in 2012.
OpenVZ providers oversell resources and lock down your kernel. We analyze why Kernel-based Virtual Machine (KVM) is the superior architecture for performance-critical applications hosting in Norway.
Is OpenVZ the efficient champion of virtualization or a trap for oversold resources? A deep dive into user_beancounters, kernel sharing, and why your high-load database might deserve KVM instead.