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Cloudflare Radar 2025 Year in Review

Ask HN: Was HN just down for anyone else?

Context: Odin’s Most Misunderstood Feature

Show HN: a Pager

Show HN: Cordon – Reduce large log files to anomalous sections

We Put Flock Under Surveillance: Go Make Them Behave Differently [video]

Anthropic Outage for Opus 4.5 and Sonnet 4/4.5 across all services

Days since last GitHub incident

How can I read the standard output of an already-running process?

AWS Debuts “DevOps Agent” to Automate Incident Response and Improve System Reliability

AWS recently announced the public preview of AWS DevOps Agent, a new "frontier agent" that aims to help organizations react more quickly to production incidents, identify root causes, and proactively strengthen system reliability. By Craig Risi

Linux Troubleshooting: The Hidden Stories Behind CPU, Memory, and I/O Metrics

When Logs Become Chains: The Hidden Danger of Synchronous Logging

Global outages are like snow days

[D] What kind of live metrics would actually help you while training ML models?

Research shows 4K or 8K screens offer no distinguishable benefit over similarly sized 2K screen in average living room

AWS US-EAST-1 Outage (Oct 2025): What Happened and What We Can Learn

dgx, it's useless , High latency

Cronboard - A terminal-based dashboard for managing cron jobs locally and on servers.

YouTube Down for More Than a Hundred Thousand Users, Downdetector Shows

Datadog

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Toto-Open-Base-1.0

Task: time-series-forecasting

VictoriaMetrics

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VictoriaMetrics

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

jaegertracing

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jaeger

CNCF Jaeger, a Distributed Tracing Platform

GyulyVGC

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sniffnet

Comfortably monitor your Internet traffic 🕵️‍♂️

prometheus

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blackbox_exporter

Blackbox prober exporter

SigNoz

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signoz

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

dgtlmoon

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changedetection.io

Best and simplest tool for website change detection, web page monitoring, and website change alerts. Perfect for tracking content changes, price drops, restock alerts, and website defacement monitoring—all for free or enjoy our SaaS plan!

ClementTsang

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bottom

Yet another cross-platform graphical process/system monitor.

prometheus

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node_exporter

Exporter for machine metrics

open-telemetry

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opentelemetry-demo

This repository contains the OpenTelemetry Astronomy Shop, a microservice-based distributed system intended to illustrate the implementation of OpenTelemetry in a near real-world environment.