ETC 1 posts
INTRO 1 posts
CS 20 posts
- 2025-05-01
Load Average in top Command - What It Really Means
A comprehensive explanation of load average, its interpretation, and practical monitoring guidelines
- 2025-04-24
OS Cache and Disk I/O - MySQL and Redis Performance Analysis
An in-depth exploration of OS cache mechanisms and their effects on MySQL and Redis performance
- 2025-04-17
Memory Layout in C/C++ - A Developer's Refresher
An in-depth exploration of memory structures, stack vs heap, and common memory issues
- 2025-04-10
Understanding Quantum Computing - Next Generation Computing Technology
An in-depth explanation of quantum computing concepts, applications, and limitations
- 2025-01-09
Understanding IPsec vs SSL/TLS - Network Security Protocols
A comprehensive comparison of IPsec and SSL/TLS protocols
- 2025-01-09
Understanding Linux Standard Streams - stdin, stdout, and stderr
A comprehensive guide to Linux standard streams and redirection
- 2025-01-08
Understanding Web Rendering Methods - CSR, SSR, SSG, and ISR
A comprehensive comparison of different web rendering approaches
- 2025-01-08
3-Tier Architecture and Modern Web Development
A comprehensive guide to traditional 3-tier architecture and modern web development approaches
- 2025-01-07
Synchronous and Asynchronous Processing
A comprehensive guide to sync and async programming with Python examples
- 2025-01-07
Single Sign-On (SSO)
A comprehensive guide to SSO and authentication protocols
- 2025-01-06
Network Address Translation (NAT)
A comprehensive guide to NAT, SNAT, and DNAT
- 2025-01-06
Cloud Computing
A comprehensive guide to cloud computing, its types, and service models
- 2025-01-05
Understanding Processes and Threads
A comprehensive guide to processes, threads, and their differences
- 2025-01-05
Understanding Kubernetes Components and Pod Creation
A comprehensive guide to Kubernetes architecture and its core components
- 2025-01-04
Understanding HTTP Methods and Status Codes
A comprehensive guide to HTTP methods and their status codes
- 2025-01-04
Understanding Virtualization Technologies
A comprehensive guide to server, storage, and network virtualization
- 2025-01-03
Understanding HTTP and HTTPS Protocols
A comprehensive guide to HTTP, HTTPS, and SSL/TLS implementation
- 2025-01-03
Understanding DNS - How Domain Name System Works
A comprehensive guide to DNS architecture, types of DNS servers, and record types
- 2025-01-02
How Web Browsers Work
Understanding the internal working mechanism of web browsers, from DNS lookup to page rendering.
- 2025-01-02
Understanding OSI 7 Layers and TCP/IP 4 Layers
A comprehensive comparison of OSI and TCP/IP network models
KUBERNETES 19 posts
- 2025-05-26
Understanding Kubernetes Endpoints and EndpointSlices
Learn the differences between Endpoints and EndpointSlices and how they impact scalability in Kubernetes clusters
- 2025-03-28
What is Kustomize? A Configuration Management Tool for Kubernetes
Learn about Kustomize, its features, and how to manage Kubernetes manifests effectively
- 2025-03-01
Understanding Istio - A Deep Dive into Service Mesh Implementation
Comprehensive guide to Istio architecture, components, and key features in Kubernetes service mesh implementation
- 2025-02-26
Service Mesh vs API Gateway - Understanding the Differences
Detailed comparison of Service Mesh and API Gateway, including their key features, use cases, and implementation patterns in Kubernetes
- 2025-01-31
Understanding Helm Chart Template Syntax
Learn about Helm Chart template syntax, including Go templating, values references, and common patterns
- 2025-01-28
MetalLB - Load Balancer for Bare Metal Kubernetes Clusters
Learn about MetalLB, its operating modes, and how to implement it in bare metal Kubernetes clusters
- 2025-01-24
Installing Kubernetes with Kubespray and Adding Worker Nodes (2024V.)
Learn how to install Kubernetes using Kubespray and scale worker nodes with this step-by-step tutorial
- 2025-01-24
Understanding Kubernetes Storage - PV, PVC, StorageClass, and CSI-Driver
Learn about Persistent Volumes, Persistent Volume Claims, Storage Classes, and Container Storage Interface in Kubernetes
- 2025-01-16
IPVS vs iptables in Kubernetes
Learn about IPVS vs iptables, the main concept of Kubernetes Kube-proxy Component and how to optimize your cluster's network performance.
- 2025-01-14
Creating and Hosting Helm Charts for Kubernetes Operators
A comprehensive guide to creating Helm charts for Kubernetes Operators and hosting them on GitHub Pages
- 2025-01-14
Creating Kubernetes Operators with Kubebuilder
A practical guide to building Kubernetes Operators using Kubebuilder framework
- 2025-01-13
Kubernetes Operators and Custom Resource Definitions (CRDs)
A comprehensive guide to Kubernetes Operators, CRDs, and Kubebuilder framework
- 2025-01-13
Kubernetes Deployment Strategies
A comprehensive guide to different deployment strategies in Kubernetes including RollingUpdate, Recreate, Blue/Green, and Canary
- 2025-01-12
Kubernetes Headless Services
A comprehensive guide to Kubernetes Headless Services, their use cases, and implementation
- 2025-01-12
Kubernetes Network Traffic Flow
A comprehensive guide to Kubernetes networking in both CSP and On-premise environments
- 2025-01-11
Safe Pod Termination in Kubernetes - A Complete Guide
Understanding how to safely terminate and manage Pods in Kubernetes using cordon, uncordon, drain, and scale commands
- 2025-01-11
Understanding Helm - The Kubernetes Package Manager
A comprehensive guide to Helm, including installation, usage, and chart management
- 2025-01-10
Kubernetes Resources - A Comprehensive Guide
Detailed explanation of Kubernetes resources including Deployments, ReplicaSets, StatefulSets, DaemonSets, Jobs, and CronJobs
- 2025-01-10
Kubernetes Service Accounts
A comprehensive guide to Kubernetes Service Accounts, their components, and practical usage
GCP 3 posts
- 2025-02-11
Building ETL Pipeline with BigQuery and Dataflow
Learn how to build an ETL pipeline using MongoDB, BigQuery, and Google Sheets with Google Cloud Platform services
- 2025-02-07
What is BigQuery & Data Warehouse?
Learn about Google BigQuery, its features, and why you need a data warehouse
- 2025-01-15
Setting up GPU Server on Google Cloud Platform
A comprehensive guide to setting up and configuring NVIDIA A100 GPU servers on GCP
AWS 6 posts
- 2025-02-21
Installing AWS DynamoDB Local on Kubernetes Cluster
Learn how to install and configure AWS DynamoDB locally using Docker containers in a Kubernetes cluster
- 2025-01-30
AWS Secrets Manager - Secure Secret Management Service
Learn about AWS Secrets Manager, its key features, and how to implement secure secret management in AWS
- 2025-01-28
AWS IRSA (IAM Roles for Service Accounts)
Learn about AWS IRSA, its components, and how it enables secure AWS service access for EKS pods
- 2025-01-23
Understanding Amazon EKS Pod Identity Addon
Learn about Amazon EKS Pod Identity, its features, and how it differs from IRSA
- 2025-01-17
What is AWS Assume Role?
A comprehensive guide to AWS Assume Role and its implementation for cross-account access
- 2025-01-15
What is AWS Ingress Annotations?
A comprehensive guide to AWS Load Balancer Controller Ingress Annotations
CICD 9 posts
- 2025-03-14
Setting up ArgoCD SSO with GitLab
Learn how to set up and manage ArgoCD SSO with GitLab
- 2025-03-07
Setting up ArgoCD SSO with GCP OAuth
Learn how to set up and manage ArgoCD SSO with GCP OAuth
- 2025-01-23
Setting up GitHub Action Self-Hosted Runner on Kubernetes
Learn how to set up and manage GitHub Action self-hosted runners using Kubernetes and Helm
- 2025-01-22
Creating and Publishing GitHub Actions
Learn how to create GitHub Action templates and publish them to the GitHub Marketplace
- 2025-01-21
GitLab CI/CD Template Guide
Learn how to use and create GitLab CI/CD templates for efficient pipeline management
- 2025-01-21
GitLab CI/CD Template Guide
Learn how to use and create GitLab CI/CD templates for efficient pipeline management
- 2025-01-21
GitLab CI/CD Pipeline Configuration Guide
Learn about GitLab CI/CD, pipeline configurations, and practical examples
- 2025-01-20
What is GitLab, GitLab Runner?
Learn about GitLab, GitLab Runner, its features, and how to set it up on Kubernetes systems
- 2025-01-16
Setting up ArgoCD - GitOps Continuous Deployment Tool
A comprehensive guide to understanding and implementing ArgoCD for Kubernetes
MONITORING 6 posts
- 2025-06-03
What is Grafana?
A comprehensive introduction to Grafana, an open-source dashboard tool for visualizing and monitoring time-series data
- 2025-02-04
How to install Loki and Promtail with Helm
Learn how to install and configure Loki and Promtail using Helm charts for log aggregation
- 2025-02-03
What is Loki?
Learn about Grafana Loki, its architecture, components, and how it works with Promtail for efficient log aggregation
- 2025-02-02
Installing Prometheus and Thanos with Helm
Learn how to install and configure Prometheus and Thanos using Helm charts for scalable monitoring
- 2025-02-01
What is Prometheus and Thanos?
Learn about Prometheus monitoring system and how Thanos extends its capabilities for large-scale deployments
- 2025-01-17
ELK Stack Implementation Guide
Learn how to implement ELK Stack (Elasticsearch, Logstash, Kibana) for log management and analysis.
LINUX 6 posts
- 2025-02-15
Understanding Linux File Descriptors and /dev/null
Learn about Linux file descriptors, standard streams, and how to use /dev/null effectively in shell scripts
- 2025-01-20
Understanding the Linux Kernel - Architecture, Functionality, and Internals
Learn about the Linux Kernel, its components, and how it manages system resources
- 2025-01-19
Understanding chattr and lsattr - Linux File Attribute Management
A comprehensive guide to understanding and using chattr and lsattr commands in Linux for file protection and attribute management
- 2025-01-19
Mastering sed and awk - The Ultimate Guide to Text Processing in Linux
Learn how to efficiently process and transform text with sed and awk, two of the most powerful command-line utilities in Linux.
- 2025-01-18
Understanding jq - The Powerful JSON Processor for Command Line
A comprehensive guide to understanding and using the jq command in Linux for JSON data manipulation
- 2025-01-18
Understanding xargs - Powerful Command-Line Utility for Argument Processing
A comprehensive guide to understanding and using the xargs command in Linux with various examples and use cases
SECURITY 4 posts
- 2025-05-19
Mastering SSH Tunneling for Secure Remote Access
Learn how to leverage SSH tunneling for secure remote connections, database access, and network security
- 2025-01-26
Understanding and Installing Vaultwarden - A Self-Hosted Password Manager
Learn about Vaultwarden, an open-source alternative to Bitwarden server, and how to deploy it using Helm
- 2025-01-25
Installing and Configuring HashiCorp Vault on Kubernetes
Learn how to install, initialize, and configure HashiCorp Vault on Kubernetes using Kind
- 2025-01-25
Understanding HashiCorp Vault - Core Concepts and Architecture
Learn about HashiCorp Vault's core concepts, architecture, and key features for secure secret management
CONTAINER 2 posts
- 2025-01-27
Dockerfile Security Best Practices and Hadolint Usage Guide
Learn about Docker security best practices and how to use Hadolint for Dockerfile linting
- 2025-01-26
Docker Layers - A Deep Dive into Dockerfile Build Principles
Learn about Docker layers, caching mechanisms, and best practices for efficient image building
DATABASE 1 posts
OPENSOURCE 1 posts
NETWORK 3 posts
- 2025-04-20
Understanding SSH Tunneling
Learn how to effectively use SSH tunneling for secure network connections and remote access
- 2025-04-14
What is CDN? (Content Delivery Network)
Learn about Content Delivery Networks (CDN), how they work, and their various architectures and caching methods
- 2025-04-07
Understanding and Using Curl - A Comprehensive Guide
Learn about Curl, its various options, and practical usage examples for web requests and API testing
OPENSTACK 3 posts
- 2025-05-11
Deep Dive into OpenStack Neutron
A comprehensive guide to OpenStack Neutron, its architecture, and how it manages network resources in the cloud
- 2025-05-04
Deep Dive into OpenStack Nova
A comprehensive guide to OpenStack Nova, its architecture, and how it manages compute resources in the cloud
- 2025-04-27
What is OpenStack?
Learn about OpenStack, its core components, and how it functions as a cloud operating system