Linux

How to Safely Remove an LVM Disk from an Azure/AWS VM

Azure, Blog, Devops, Linux

Managing storage in production environments requires precision, especially when working with LVM-backed filesystems on cloud infrastructure. This guide documents a production-safe procedure to: This process ensures zero data loss and controlled disk decommissioning. Step 1: Stop the Application Before performing any filesystem shrink or LVM modification, stop the service using the volume. systemctl stop cassandra.service […]

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How to Monitor RHEL Servers Using Grafana and Prometheus

Linux

Modern infrastructure demands real-time visibility into server performance. Whether you’re a System Administrator, DevOps Engineer, or SRE, monitoring Linux servers is critical for ensuring performance, reliability, and uptime. In this blog, you’ll learn how to monitor a RHEL VM using Prometheus Node Exporter and Grafana, starting from scratch and ending with powerful dashboards and visualizations.

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How to Centralize Linux Logs Using Grafana Loki and Promtail

Blog, Linux, Monitoring

Logs are the backbone of troubleshooting, security auditing, and observability. Traditional log management systems can be heavy, expensive, and complex. Grafana Loki, combined with Promtail, offers a lightweight, scalable, and cost-effective log aggregation solution, tightly integrated with Grafana dashboards. In this blog, you’ll learn how to set up Grafana Loki with Promtail on a Linux

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Essential Linux Commands: 50 Practical CLI Commands You Must Know

Blog, Devops, Linux

Below are essential Linux commands used daily 50 Commonly Used Linux Commands (With Uses) 📂 Navigation & Display 👤 User & System Identity ⏰ Date, Time & System Status 📄 File & Directory Management 📖 File Viewing & Editing 🔍 Searching & Text Processing 📊 Disk & Memory Information ⚙️ Process & Resource Management 🌐

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How to Choose the Best Linux Distribution in 2026: A Complete Beginner-to-Pro Guide

Linux

A Linux distribution (Linux distro) is a complete operating system built around the Linux kernel, bundled with system libraries, package managers, shells, desktop environments, and utilities. Linux distributions are designed for different use cases such as servers, desktops, cloud computing, DevOps, cybersecurity, and embedded systems. Understanding the history of Linux distributions helps users and system

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Introduction to Linux Fundamentals

Linux

Introduction to Linux Linux is a free and open-source operating system kernel originally developed by Linus Torvalds in 1991. Today, Linux powers a wide range of systems including servers, cloud platforms, supercomputers, mobile devices (Android), and embedded systems. Linux is known for: Linux is not a single operating system but a family of operating systems,

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