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Found 164 results for: nagios

coolvds.com › Blog › DevOps & Infrastructure

Observability vs Monitoring: Why Your Green Dashboard is Lying to You

· CoolVDS Team

It's 2018, and green lights on Nagios don't mean your system is healthy. We dissect the shift from passive monitoring to active observability, the impact of GDPR on log retention in Norway, and how to configure a Prometheus & ELK stack that actually explains *why* things broke.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring vs. Observability: Why Your Green Dashboard is Lying to You

· CoolVDS Team

It is May 2018. Nagios says your server is fine, but customers in Trondheim are timing out. Here is why traditional monitoring is dead, how to build an observability stack with Prometheus and ELK, and why infrastructure sovereignty in Norway is your safety net before GDPR hits later this month.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring is Dead: Why Green Dashboards Don't Save Servers

· CoolVDS Team

Nagios checks might turn green, but your users are still seeing 504 errors. It's time to move from binary monitoring to deep instrumentation with Prometheus and ELK on high-IOPS infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Monitoring Tells You You're Screwed. Observability Tells You Why.

· CoolVDS Team

Nagios alerts might wake you up, but they won't fix your code. In the era of Docker and microservices, we explore the shift from binary monitoring to deep system observability using ELK, Prometheus, and high-performance infrastructure.

coolvds.com › Blog › DevOps & Infrastructure

Stop Watching Green Lights: Why "Monitoring" Is Failing Your Ops Team

· CoolVDS Team

It is 2016. If you are still relying on Nagios checks to tell you your infrastructure is healthy, you are flying blind. We dissect the critical shift from passive monitoring to active observability using ELK, StatsD, and NVMe-backed architecture.

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.