Hello, I am ...

Ravindu

Currently working as a DNS Administrator.

My Blog About me

Recent posts

Feb 11, 2026
Ubuntu Unattended Upgrades with Mailtrap Email Notifications
Set up automatic security updates on Ubuntu with email notifications via Mailtrap API. Bypass SMTP port blocks on cloud providers like DigitalOcean.
- Ubuntu
- Security
- Automation
- DevOps
Nov 10, 2025
Multiple GitHub Accounts with SSH Keys Setup Guide
Configure multiple GitHub accounts on one machine with SSH keys and automatic Git identity switching. Separate work and personal projects easily.
- Git
- GitHub
- DevOps
- Linux
Jun 13, 2025
Auto-Update UFW with Cloudflare IPs - Bash Script
Automatically update UFW firewall with Cloudflare IP ranges. Protect your origin server from DDoS attacks with this bash script and cron job.
- Cloudflare
- Linux
- Security
- Automation

Stuff I have worked with

Entra ID Microsoft 365 Linux NGINX Docker Cloudflare GitHub WordPress Elementor WooCommerce Google Search Console Google Analytics Domain Management Grafana DigitalOcean JIRA Ubiquiti Google Workspace N8N BigQuery

And many more.

Recent projects

Sep 28, 2025
Global Office Surveillance Dashboard
A secure, real-time CCTV monitoring system with global office coverage, protected by Cloudflare Zero Trust
- Docker
- RTSP
- MotionEye
- Cloudflare
- Zero Trust
- HTML/CSS
- Security

Let's Connect

Reach out to me via email or on social media.

Email

hello@ravindu.cc

Github

LinkedIn