Found 201 results for: A/B Testing
Silence is not golden; it's a risk. Learn how to deploy a scalable monitoring architecture using Nagios and NRPE to catch failures before your customers do, specifically tailored for high-latency Nordic infrastructure.
Container virtualization offers incredible density, but the shared kernel model exposes significant attack surfaces. We dive into manual cgroup limits, iptables isolation, and why KVM is still king for sensitive data under Norwegian privacy laws.
Hypervisors are heavy. In a world demanding millisecond latency, Linux Containers (LXC) offer bare-metal performance with VM-like manageability. Here is why you should care.
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.
Stop relying on default configs. A battle-hardened sysadmin's guide to locking down CentOS 6 and Ubuntu 12.04 using iptables, key-based auth, and kernel tuning. Essential reading for Norwegian deployments.
Stop relying on a single Apache instance. Learn how to deploy a robust Layer 4/7 load balancer using HAProxy 1.4 to split traffic across CoolVDS KVM instances, ensuring uptime even when the traffic spikes hit.
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.
Tired of your server crawling because another user on the node decided to compile a kernel? We dive deep into why KVM architectural isolation beats OpenVZ/Virtuozzo for serious workloads in 2012.
Stop letting disk I/O kill your application performance. We explore why file-based sessions are obsolete, how to implement Redis 2.4 for robust session handling, and why low-latency infrastructure in Norway matters for your bottom line.
Stop relying on slow, insecure US-hosted repositories. Learn how to deploy a high-performance, self-hosted Git server using Gitolite on a Norwegian VPS for maximum speed and data sovereignty.
Stop relying on third-party cloud repositories. Regain control of your codebase, reduce latency to the Nordic region, and secure your intellectual property with a rock-solid, self-hosted Git infrastructure.
It is 2012, and the era of oversold 'burstable' RAM is over. We dismantle the OpenVZ myth and explain why Kernel-based Virtual Machine (KVM) combined with SSD storage is the only viable path for high-load applications in the Nordic market.
Is your VPS suffering from mysterious slowdowns? We dissect the architecture of OpenVZ, expose the truth about 'Burstable RAM', and explain why hardware virtualization (KVM) is the only safe bet for production workloads in Norway.
Is your VPS actually giving you the RAM you paid for? We dissect the architecture of OpenVZ containers versus KVM virtualization, analyze the dreaded 'user_beancounters', and explain why mission-critical Norwegian workloads demand true isolation.
Is the venerable Apache holding your infrastructure back? We benchmark Apache 2.4 against Lighttpd 1.4 to see which server handles the C10k problem best on Norwegian infrastructure. Discover why memory footprint and I/O latency matter more than raw CPU.
It's 2012, and the 'Cloud' is buzzing, but storage I/O remains the silent killer of web performance. We break down the reality of IOPS, the shift to SSDs, and why local RAID-10 beats a bloated SAN for your Norwegian VPS.
Tired of your transactional emails disappearing into the void? We strip away the mystery of mail servers. Here is the definitive guide to configuring a bulletproof Postfix setup on Debian Squeeze, ensuring high deliverability and low latency for Norwegian infrastructure.
SVN is dying and FTP is dangerous. Learn how to deploy a battle-hardened Gitolite server on a CentOS 6 VPS to control your source code with granular precision, low latency, and full compliance with Norwegian data laws.
Is your budget VPS silently killing your application? We analyze the architecture of OpenVZ containers, the dangers of 'Burst RAM', and why true hardware virtualization matters for Norwegian businesses.
Email delivery is broken. Most sysadmins configure Postfix poorly, leading to blacklisted IPs and lost business. Here is the definitive guide to setting up a bulletproof mail server on CentOS 6, securing it with TLS, and navigating Norwegian data privacy laws.
Stop trusting shared IPs with your business communications. A battle-hardened guide to configuring Postfix for maximum deliverability, speed, and security on a dedicated VPS environment.
Burstable RAM is a myth that kills databases. We analyze the architectural differences between OpenVZ containers and KVM virtualization, and why true hardware isolation is critical for high-load Norwegian workloads.
Stop letting shared hosting blacklists kill your deliverability. This guide covers the architectural necessities of a robust Postfix deployment, from rDNS configuration to RBL implementation, ensuring your emails actually reach the inbox.
Is your budget VPS holding your application back? We analyze the architecture of OpenVZ, expose the truth about 'Burst RAM', and explain why kernel isolation matters for Norwegian business continuity.
Is disk I/O killing your application performance? Learn how to move session handling from the file system to Redis for sub-millisecond latency. A guide for high-traffic Norwegian setups.
Is your Norway VPS choking under load? We dissect the hidden costs of OpenVZ 'burstable RAM', analyze /proc/user_beancounters, and explain why serious systems architects are migrating to KVM and Xen for true isolation.
A battle-hardened guide to securing your CentOS and Debian servers against automated botnets. Covers SSH locking, iptables configuration, and Fail2Ban, specifically tailored for the Norwegian hosting landscape in 2011.
Stop relying on public cloud repos. Learn how to deploy a battle-hardened, self-hosted Git server using Gitolite on Ubuntu 10.04 LTS. Optimised for Norwegian teams requiring strict data sovereignty and low latency.
Is your single Apache server choking under traffic? Stop throwing RAM at the problem. Learn how to implement robust load balancing with HAProxy 1.4 on CoolVDS to ensure zero downtime and handle the 'Slashdot effect'.
While the industry buzzes about 'The Cloud,' pragmatic CTOs know that network storage introduces latency. We analyze the trade-offs between SAN, NAS, and local RAID 10 in a post-RHEL 6 landscape.