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How to Validate Bulk Emails for Free Using ReacherHQ (Self-Hosted Solution) If you're sending bulk emails to clients or running cold email campaigns, you've likely faced the dreaded issue of bounced emails . High bounce rates damage your sender reputation, waste resources, and can get your domain blacklisted. While commercial email verification services like ZeroBounce and Emailable claim 99% accuracy, their pricing can quickly become prohibitive, especially for startups and small businesses. Enter ReacherHQ – a completely free, open-source, self-hosted email verification solution written in Rust that you can run on your own VPS, VPC, or even locally on your development machine. Why Self-Hosted Email Verification? Traditional email verification APIs charge per verification – costs that add up quickly when you're validating thousands or millions of email addresses. ReacherHQ eliminates these costs entirely by allowing you to host the verification ser...
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Running SonarQube Locally When Port 9000 Is Already in Use Get your code quality analysis running on any port you choose 📅 October 29, 2025 | ⏱️ 5 min read | 🏷️ Docker, SonarQube, DevOps So you've got SonarQube set up on your machine, but port 9000 is already occupied by another service? Don't worry—this is a pretty common issue, especially when you're juggling multiple development tools. The good news is that Docker makes it incredibly easy to run SonarQube on a different port. You just need to understand how port mapping works. The Solution Here's the command that'll get you up and running: docker run -itd --name SonarQube-Server-2 -p 9000:9000 sonarqube:lts-community But wait—if port 9000 is already taken, you'll want to modify this. Here's where it gets interesting. Understanding Port Mapping The -p flag in Docker follows this pattern: -p HOST_PORT:CONTAINER_PORT The first number is the port o...
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Installing eksctl and Creating an EKS Cluster on AWS Setting Up AWS EKS with eksctl Get a production-ready Kubernetes cluster on AWS 📅 October 21, 2025 | ⏱️ 5 min read | 🏷️ AWS, EKS, Kubernetes, eksctl Need a Kubernetes cluster on AWS? EKS is the managed solution, and eksctl is the easiest way to set it up. No messing with CloudFormation templates or clicking through the console - just a few commands and you're running. This guide covers installing eksctl and creating a cluster with worker nodes. What You Need AWS account with appropriate permissions AWS CLI configured with credentials Linux system (works on Ubuntu, Amazon Linux, etc.) kubectl installed ...
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Installing Trivy on Ubuntu - Container Security Scanner Installing Trivy on Ubuntu Find vulnerabilities in your containers before they find you 📅 October 21, 2025 | ⏱️ 3 min read | 🏷️ Trivy, Security, DevOps Trivy is a vulnerability scanner that checks your container images, filesystems, and Git repos for security issues. It catches CVEs, misconfigurations, secrets - basically anything that could bite you later. It's fast, accurate, and easy to integrate into your CI/CD pipeline. Let's get it installed. What You Need Ubuntu (any recent version) Sudo access Internet connection The Installation Step 1: Install Dependencies Get the ...
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Installing Terraform on Ubuntu - The Official Way Installing Terraform on Ubuntu Infrastructure as Code made easy 📅 October 21, 2025 | ⏱️ 4 min read | 🏷️ Terraform, IaC, DevOps Want to manage your infrastructure with code? Terraform is what you need. It lets you define servers, databases, networks - basically everything - in configuration files and deploy them consistently. We're installing it from HashiCorp's official repository so you always get the latest version and can update easily. What You Need Ubuntu 20.04 or later Sudo privileges Internet connection The Installation Step 1: Update Package List First, refresh your packag...
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Running SonarQube with Docker - Quick Setup Running SonarQube with Docker Code quality analysis in one command 📅 October 21, 2025 | ⏱️ 2 min read | 🏷️ SonarQube, Docker, Code Quality Need to analyze your code quality? SonarQube is the tool for that. It catches bugs, code smells, and security issues before they make it to production. Running it with Docker is the easiest way. No complicated setup, no dependency hell. Just one command. What You Need Docker installed At least 2GB of RAM available Port 9000 free The Command Here's all you need: docker run -dit --name sonarqube -p 9000:9000 sonarqube:lts-community ...
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Installing MySQL on Ubuntu - Simple Setup Guide Installing MySQL on Ubuntu Get your database up and running in minutes 📅 October 21, 2025 | ⏱️ 3 min read | 🏷️ MySQL, Database, Ubuntu Need a database for your project? MySQL is probably the most popular choice out there. It's reliable, fast, and pretty straightforward to set up on Ubuntu. Let's get it installed and running. What You Need Ubuntu 20.04 or later Sudo access A couple of minutes The Installation Step 1: Update Package List Start by updating your system: sudo apt update Ste...
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