All articles tagged with centos 6
The old model of 'trusted LAN, untrusted WAN' is obsolete. Following the chaos of Heartbleed and Shellshock, we explore how to build a manual Zero-Trust architecture using iptables, strict SSH tunneling, and KVM isolation on Norwegian infrastructure.
A deep dive into kernel-level optimizations and config tuning for Nginx 1.6 and the new HAProxy 1.5. Learn how to handle 10k+ concurrent connections without melting your CPU.
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.
Is relying solely on US-based giants killing your latency and budget? We analyze the 2014 hybrid infrastructure shift, configuring HAProxy 1.5 for local failover, and navigating the Norwegian Personal Data Act with high-performance local VPS.
Stop relying on mysqldump. Learn how to migrate large MySQL datasets using Percona XtraBackup and SSH piping without triggering prolonged downtime, specifically tailored for latency-sensitive Norwegian infrastructure.
Manual deployments are a liability. Learn how to engineer a bulletproof, atomic build pipeline using Jenkins and Bash, and why the underlying virtualization architecture of your VPS determines your CI success.
RAID is not a backup. In this deep dive, we explore disaster recovery strategies for Norwegian businesses using CentOS 6, MySQL replication, and KVM isolation. Learn how to keep your data safe from hardware failure and Datatilsynet audits.
Hardware fails. It is a mathematical certainty. In 2014, relying solely on RAID is professional negligence. We dissect the difference between redundancy and recovery, explore robust rsync strategies, and explain why keeping your data inside Norway borders (Datatilsynet) is your best legal defense.
Stop relying on default Nagios configs. We dive deep into tuning Zabbix 2.0 on CentOS 6, analyzing disk wait times with iostat, and why hardware isolation is the only way to monitor at scale without false positives.
Synchronous code is the enemy of scale. Learn how to implement RabbitMQ to offload heavy tasks, why 'ulimit' matters, and why your message broker needs the low latency of a Norwegian VDS.
Manual security audits are a liability. Learn how to automate server hardening using Puppet and OSSEC on CentOS 6 to satisfy Datatilsynet requirements while maintaining peak performance on your Norwegian VPS.
Ping checks aren't enough. If you're running high-traffic workloads in Norway, you need granular metrics. We dive into `iostat`, Nginx stub_status, and Zabbix optimizations to keep your infrastructure sane.
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.
Manual security audits are a liability. Learn how to automate compliance with the Norwegian Personal Data Act using Puppet and standard Linux hardening techniques on high-performance KVM architecture.
Stop deploying via FTP. We break down how to build a robust Continuous Integration pipeline using Jenkins on CentOS 6, ensuring atomic deployments and compliance with Norwegian data laws.
Latency kills user experience. In this deep dive, we bypass default Linux constraints to tune Nginx and CentOS 6 for high-concurrency API traffic, ensuring your Norwegian infrastructure handles the load without melting down.
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.
Cloud SLAs are just refunds, not uptime. Learn how to architect true redundancy using HAProxy, MySQL 5.6 GTIDs, and a hybrid mix of AWS and Norwegian iron.
Speed of light is immutable, but your server architecture isn't. Learn how to deploy Nginx and Varnish at the network edge to crush latency, satisfy Norwegian data laws, and serve dynamic content in milliseconds.
Is your API layer choking under concurrency? We dive deep into Linux kernel tuning, Nginx optimization, and the critical role of KVM architecture for Norwegian developers facing the mobile data explosion.
Before you scale your infrastructure, you must master the network layer. We dive deep into Linux bridging, VLAN tagging, and iptables routing for secure, multi-node environments on CentOS 6 and Ubuntu 12.04.
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.
Hardware fails. RAID controllers degrade. In this guide, we bypass the marketing fluff and deploy a battle-tested Disaster Recovery plan using MySQL replication, Rsync, and Norwegian infrastructure laws.
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.
Stop waking up at 3 AM for false positives. A battle-hardened guide to scaling monitoring with Zabbix and Graphite on KVM infrastructure in 2013.
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.
Stop your emails from hitting the spam folder. A battle-tested guide to configuring Postfix 2.6+, implementing SPF/DKIM, and securing your mail transport against open relays, written for the Norwegian privacy landscape.
Google Analytics misses the bots, the scrapers, and the errors. In this deep dive, we configure AWStats 7.0 for high-performance parsing on CentOS 6, ensuring you capture every packet that hits your Norwegian VPS infrastructure.
It is late 2012. If you are still running a business-critical Magento or WordPress site on shared hosting, you are gambling with your uptime. Here is the technical reality of why resource isolation, SSD I/O, and root access are non-negotiable for serious admins.