Blog

Welcome to my blog domain where I share personal stories about things I've learned, projects I'm hacking on and just general findings. I also write for other publications.

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How to Generate Free Let's Encrypt SSL Certificates Using Certbot (Nginx & Apache Guide)

Securing your website with HTTPS is one of the most important steps before deploying any production application. Let's Encrypt provides free SSL/TLS certificates, and Certbot makes it easy to generate, install, and renew those certificates automatically. In this guide, you'll learn how to generate SSL certificates using Certbot, configure them with Nginx or Apache, and renew them before they expire.

May 26, 2020

3 min

Let's Encrypt
SSL
HTTPS

mongodb-backup-to-aws-s3-shell-script-cron

How to Automate MongoDB Backups to AWS S3 Using Shell Script and Cron Jobs

Learn how to automate MongoDB backups to Amazon S3 using Shell Script, AWS CLI, and Cron Jobs on Ubuntu EC2 with step-by-step implementation.

Jul 17, 2026

2 min

MongoDB
AWS
Amazon S3

GitLab CI/CD pipeline workflow diagram with stages build test deploy

Complete CI/CD Pipeline Setup in GitLab

Learn how to set up a complete CI/CD pipeline in GitLab with runners, stages, Docker, and automated deployment for modern DevOps workflows.

Feb 1, 2026

2 min

GitLab CI/CD
DevOps
Docker