This article shares practical operations guidelines covering safe command usage, backup strategies, security hardening, daily monitoring, performance tuning, and the right mindset to prevent data loss and ensure stable, secure Linux server management.
This guide explains what Kubernetes events are, how to list and filter them, categorizes common event types, and shows practical ways to collect, store, and alert on events using native commands and open‑source tools, helping teams reduce alert fatigue and improve cluster observability.
This article walks through the step‑by‑step transformation of a simple online supermarket from a monolithic web app to a fully‑featured microservice architecture, covering common pitfalls, component choices, monitoring, tracing, logging, service discovery, fault‑tolerance, testing, and deployment strategies.
On September 10 2021, a Kubernetes cluster experienced intermittent kubectl hangs caused by kube-apiserver OOM kills, leading to cascading control-plane failures; this article details the environment, observed metrics, log analysis, code inspection of DeleteCollection, and provides troubleshooting steps to prevent similar incidents.
RedisInsight is a powerful GUI for Redis that enables monitoring, CLI interaction, and module support; this guide walks through its features, step‑by‑step installation on physical servers and Kubernetes, environment configuration, service startup, and basic usage including memory analysis and data operations.
RedisInsight is a powerful GUI for Redis that offers cluster support, SSL/TLS connections, and memory analysis; this guide walks you through its features, step‑by‑step physical and Kubernetes installations, environment configuration, service startup, and basic usage for monitoring and managing Redis instances.
Zabbix 6.0 introduces a suite of enhancements—including high‑availability clustering, advanced business‑service monitoring with SLA calculations, root‑cause analysis, machine‑learning‑based anomaly detection, Kubernetes templates, a redesigned audit log, TLS certificate checks, UI improvements, customizable branding, and new integrations—aimed at boosting operational visibility and efficiency across cloud and on‑premise environments.
Learn the essential Linux disk I/O performance metrics—utilization, saturation, IOPS, throughput, and response time—and discover how to monitor them using iostat, pidstat, and iotop, with practical examples and guidance for interpreting /proc/diskstats data and evaluating storage bottlenecks.
Grafana 9.0 focuses on improving user experience for observability and data visualization, introducing visual Prometheus and Loki query builders, an Explore‑to‑dashboard workflow, a revamped heatmap panel, command palette, panel search, trace panels, navigation upgrades, and enhanced alerting, all aimed at making data discovery and investigation more intuitive and efficient.
This comprehensive guide explains why monitoring is essential, describes reliability metrics, walks through Zabbix installation, web UI configuration, custom monitoring, trigger creation, alert integration, distributed monitoring, SNMP support, and large‑scale server monitoring using scripts, APIs, and auto‑discovery.
Learn how to set up Prometheus to scrape Nexus repository metrics, configure authentication, and create insightful Grafana dashboards that visualize component, Jetty, and JVM metrics, enabling proactive troubleshooting and resource optimization for Nexus services.