Author: Ravikant Kushwaha

Ravikant Kushwaha is a results-driven IT professional with over 8 years of experience in software development, cloud computing, DevOps, and IT infrastructure management. He specializes in designing scalable, cost-efficient architectures on AWS, Azure, and Cloudflare. Ravikant excels in automating CI/CD pipelines with tools like Jenkins, GitHub Actions, and managing infrastructure using Kubernetes, Terraform, and Ansible. His proven track record includes reducing AWS operational costs by 40%, scaling high-traffic WordPress environments, implementing Zero Trust security models, and leading ERP system upgrades. With expertise in performance optimization, database tuning, disaster recovery, network security audits, and IT project leadership, Ravikant delivers actionable insights and innovative solutions. Through ituptodate.com, he shares his knowledge to empower businesses and professionals in navigating the ever-evolving world of technology.
Shell Script and MySQL
  1. Linux

How to Write a Secure Shell Script to Run MySQL Queries via Cron

Shell scripting is one of the most powerful tools available on Linux and UNIX-like systems, allowing developers and system administrators to automate repetitive tasks, run SQL queries, and maintain servers efficiently. One common use case is updating database records automatically using cron jobs. In this tutorial, we’ll walk you through creating a shell script that […]
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linux grep command
  1. Linux

Mastering the grep Command in Linux – From Beginner to Advanced

Whether you’re just starting with Linux or you’re a seasoned developer, the grep command is an essential tool in your command-line arsenal. If you need linux commands for common task, you can read this article, Linux CheatSheet for common tasks In this article, we’ll walk through: Let’s dive in! ✅ What is GREP in Linux? […]
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  1. AWS (Amazon Web Services)

How to Set Up WordPress with CloudFront on AWS Using ALB and Private Subnets

Looking to host a fast, secure, and scalable WordPress site on AWS? In this step-by-step tutorial, we’ll walk you through how to set up WordPress using Amazon CloudFront, an Application Load Balancer (ALB), and private subnets—perfect for both test and production environments. Using our demo domain wp.ituptodate.com, this guide is ideal for beginners looking to […]
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  1. AWS (Amazon Web Services)
  2. VPC

Configuring an EC2 Instance as a NAT for Private Subnet EC2 – A Cost-Optimized Alternative to NAT Gateway

In AWS, providing internet access to EC2 instances in private subnets is a common requirement for secure architectures. While AWS offers the managed NAT Gateway service for this purpose, it comes with a cost—approximately $32/month per gateway plus data transfer fees. For small-scale projects, startups, or cost-conscious developers, this can add up quickly. Fortunately, you […]
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  1. Cheat Sheet
  2. Linux

Linux CheatSheet for common tasks

1. File and Directory Management ls -lah # List files with details (including hidden)cd /path/to/dir # Change directorypwd # Show current directorymkdir newdir # Create a directoryrmdir emptydir # Remove empty directoryrm -rf dir_or_file # Remove file or directory forcefullycp file1 file2 # Copy filemv file1 file2 # Move/rename filefind /path -name "*.txt" # Find […]
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  1. Digital Ocean

How I Scaled a WordPress Server Horizontally at Robu.in – A Self-Managed Success Story

Scaling a WordPress server horizontally in a self-managed environment is no small feat, especially when you’re not leveraging fully managed cloud services like AWS, Azure, or GCP. This was one of the most challenging and rewarding projects I undertook during my time at Robu.in. By configuring and optimizing virtual machines (VMs) on DigitalOcean, we achieved […]
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  1. Cheat Sheet
  2. Docker

Docker cheatsheet

🚀 Docker Basics Version & Help docker --version # Check Docker versiondocker info # Show system-wide informationdocker help # Show all commandsdocker <command> --help # Get help for a specific command 📦 Container Management Running Containers docker run hello-world # Run a test containerdocker run -it ubuntu bash # Run a container interactivelydocker run -d […]
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  1. Redis

Session Persistence for Scalable WordPress Applications with Redis

When scaling WordPress applications to handle high traffic, maintaining session persistence across multiple servers becomes a critical challenge. Without a centralized mechanism to manage session data, users may experience issues like login errors or inconsistent shopping carts. This article explores how Redis, an advanced in-memory data store, can be leveraged to ensure seamless session persistence […]
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  1. AWS (Amazon Web Services)

Setting Up AWS CloudWatch Alarm for EC2 CPU Usage with Email Alerts

Introduction Monitoring EC2 instances is crucial for ensuring optimal performance and preventing issues like underutilization or overloading. AWS CloudWatch allows users to track metrics and set up alarms to trigger notifications based on predefined conditions. In this guide, we’ll walk through setting up a CloudWatch alarm to send email alerts when an EC2 instance’s CPU […]
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