monitoring
Browse all articles, tutorials, and guides about monitoring
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Distributed Tracing with OpenTelemetry: From Instrumentation to Visualization
A walkthrough of instrumenting a real service with OpenTelemetry, running the Collector, and finding the slow span in Jaeger when a request hops across five microservices.
SLOs, SLIs, and Error Budgets: A Practical Implementation Guide
Your service went down at 2 AM and nobody could agree on whether it was "bad enough" to page someone. SLOs, SLIs, and error budgets fix that. Here is how to define, measure, and act on them with real Prometheus queries and alerting rules.
The 5-Minute Kubernetes Cluster Health Check
Learn how to quickly assess your Kubernetes cluster's health with essential commands and catch issues before they become critical problems.
A Day in the Life of a DevOps Engineer
Follow a DevOps engineer through a typical day - from morning deployments to midnight hotfixes. Real challenges, real solutions, and real impact on business operations.
Network Usage Top/Htop on Linux
Monitor real-time network bandwidth usage on Linux with tools like iftop, nethogs, nload, and bmon. Learn which processes are consuming bandwidth, track interface statistics, and identify network bottlenecks.
How to Measure the Actual Memory Usage of an Application or Process
Learn how to accurately measure real memory usage of processes in Linux, understand the difference between virtual, resident, and shared memory, and use the right tools for memory analysis.
What is P99 Latency?
P99 latency measures the response time at the 99th percentile, showing how fast your slowest 1% of requests are. Learn why P99 is more important than average latency for understanding real user experience.
How to Grep a Continuous Stream in Real-Time
Learn how to filter live log streams with grep, including line-buffering for immediate output, following log files, and monitoring command output as it happens.
kubectl logs - Continuously
Learn how to use kubectl to stream logs continuously from Kubernetes Pods for real-time monitoring.
Checking Kubernetes Pod CPU and Memory Utilization
Learn how to monitor CPU and memory usage of Kubernetes Pods using kubectl and metrics-server.