Network tutorial - IT technology blog
Posted inNetwork

Configuring ECMP Routing on Linux: Distributing Traffic Across Multiple Network Paths with ip route

ECMP (Equal-Cost Multi-Path) Routing allows Linux to distribute traffic evenly across multiple gateways simultaneously instead of relying on a single default route, increasing real-world bandwidth and reducing failover time. This guide covers configuring ECMP with ip route, controlling weights based on bandwidth, setting up persistent configuration, and resolving asymmetric routing in multi-ISP environments.
Monitoring tutorial - IT technology blog
Posted inMonitoring

How to Install and Configure OpenObserve: A Next-Generation Logs, Metrics, and Traces Solution to Replace ELK Stack with 140x Lower Storage Costs

OpenObserve is a Rust-based observability solution that stores logs, metrics, and traces at up to 140x lower cost than ELK Stack, thanks to Parquet format and efficient data compression. This post shares hands-on experience installing OpenObserve with Docker, configuring Fluent Bit for log collection, querying with SQL, and setting up Alerts to avoid alert fatigue.
VMware tutorial - IT technology blog
Posted inVMware

Handling APD and PDL Errors in VMware vSphere: Understanding and Resolving All Paths Down and Permanent Device Loss

APD and PDL are two types of serious storage failures in VMware vSphere that present with similar symptoms but require completely different remediation approaches. This article walks through how to distinguish, diagnose, and resolve each condition using CLI and PowerCLI — based on real-world experience managing an 8-host ESXi cluster.