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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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Featured on ITUptodate

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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. 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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AWS Pick’s by editor

  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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  1. AWS (Amazon Web Services)
  2. DNS
  3. Networking

Understanding AWS Load Balancer Routing with Cloudflare and Different Clients

When deploying web applications on AWS using multiple Network Load Balancers (NLBs), understanding how traffic is routed across different clients—such as browsers (Chrome, Edge, Firefox, Safari) and mobile apps (React Native-based)—is essential. This article explores how routing works when using Cloudflare DNS with and without the proxy feature enabled. 1. Overview of Routing Mechanisms When […]
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VIEW ALL IN AWS

  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 […]
Written by
  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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