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coolvds.com › Blog › DevOps & Infrastructure

Stop Using Ping: A Sysadmin’s Guide to Infrastructure Monitoring at Scale

· CoolVDS Team

Is your monitoring strategy just a cron job and a prayer? In 2015, 'uptime' isn't enough. We explore the transition from Nagios to time-series metrics, how to detect the dreaded CPU Steal on virtual machines, and why hosting in Norway matters for your data logs.

coolvds.com › Blog › DevOps & Infrastructure

Beyond Nagios: Why "Green Lights" Are Killing Your Stack (And How to Fix It)

· CoolVDS Team

With the recent Safe Harbor invalidation, knowing where your data lives is as critical as knowing if your server is up. We explore moving from basic monitoring to deep system introspection using ELK and Graphite on high-performance Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Stop Grepping Logs: A Battle-Hardened Guide to APM in 2015

· CoolVDS Team

Logs won't save you when latency spikes. Discover how to implement real Application Performance Monitoring, tune PHP-FPM, and why infrastructure choices like CoolVDS dictate your ceiling.

coolvds.com › Blog › DevOps & Infrastructure

Docker in Production: Security Strategies Before You Ship

· CoolVDS Team

Containers are changing deployment, but default configurations are a security nightmare. Here is how to lock down Docker 1.7+ environments while keeping performance high on Norwegian infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Docker in Production? Not Without These 5 Kernel-Level Security Fixes

· CoolVDS Team

It is 2015 and Docker is eating the world, but 'root' inside a container is still 'root' on the host. We break down the exact flags and KVM architectures you need to secure your Norwegian infrastructure against container breakout.

coolvds.com › Blog › Server Administration

Stop Guessing: Precision Server Monitoring with Munin & Nagios on CentOS 6

· CoolVDS Team

Is your server going down at 3 AM? Stop reactive fire-fighting. We detail the exact Nagios and Munin configuration needed to visualize performance and alert on failure before your users notice, specifically tailored for the Nordic hosting environment.

coolvds.com › Blog › Hosting Solutions

The I/O Lie: Why Your "Cloud" Storage is Slowing Down Your App

· CoolVDS Team

It is 2011, and while everyone talks about CPU cores, disk latency is silently killing your database performance. We dissect the difference between SAN and Local RAID-10, analyze the impact of 'noisy neighbors' in virtualization, and explain why Norwegian data sovereignty protects you from the US Patriot Act.