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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 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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Why Kubernetes Came Into the Picture: A Historical Perspective on Docker vs Kubernetes

Blog, Devops, Kubernetes

In modern cloud-native architecture, containers and orchestration are foundational concepts. Two names dominate this space: Docker and Kubernetes. A common question arises: If Docker already existed, why did Kubernetes come into the picture at all?To answer this, we need to look at the historical evolution of application deployment, the limitations Docker faced at scale, and

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MySQL Fundamentals: Installation and Replication on Linux

Blog, Database

MySQL is an open-source relational database management system widely used in production environments. It follows the relational model, storing data in structured tables and using SQL as its query language. MySQL is commonly chosen for applications that require reliable transactional processing, predictable performance, and straightforward operational management. It is frequently used in web applications, internal

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Database Replication Explained: Master–Slave, Multi-Master, and Clusters

Blog, Database

Understand database replication concepts, types, and use cases including master–slave, multi-master, and clustered replication. What Is Database Replication? Database replication is the process of copying and synchronizing data across multiple database instances. The primary goals are high availability, fault tolerance, scalability, and disaster recovery. Replication is a core feature across most modern relational and NoSQL

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How to Set Up ELK Stack on Ubuntu Server for Log Monitoring and Visualization

Blog, Monitoring

The ELK Stack is a powerful centralized logging and visualization solution used by DevOps engineers, system administrators, and SRE teams to collect, search, analyze, and visualize logs in real time. ELK = Server Logs → Filebeat → Logstash → Elasticsearch → Kibanayou’ll learn how to install and configure ELK Stack on Ubuntu Server from scratch,

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Microservices Architecture

Architecture, Blog, Devops

Microservices Architecture is a design approach where an application is broken down into small, independent services, each responsible for a single business function. Each service: Architecture Components Explained Multiple Independent Services Each service handles one specific capability, for example: ✅ If one service fails, others continue working✅ Teams can work independently Containers (Docker) Each microservice is packaged

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AWS Storage Services Explained: S3, EBS, EFS, and Use Cases

Aws, Blog, Devops

Understand AWS storage services including Amazon S3, EBS, and EFS, with use cases and best practices for cloud storage. What Are AWS Storage Services? AWS provides a range of managed storage services designed to store data securely, durably, and at scale. These services support different access patterns, performance requirements, and workloads. Core AWS Storage Services

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Azure Compliance Explained: Security Standards, Regulations, and Best Practices

Azure, Blog, Security

Learn how Azure supports regulatory compliance, security standards, and risk management using built-in compliance tools and frameworks. What Is Azure Compliance? Azure compliance refers to how Microsoft Azure helps organizations meet regulatory, legal, and industry security requirements when hosting data and applications in the cloud. Microsoft designs Azure services to support global compliance standards while

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