TRINH TIEN DAT

Mobile Responsive Design Tips for Flask Blogs

March 07, 2026 • 1 min read • by Trinh Tien Dat

Why Mobile MattersMore than 60% of web traffic comes from mobile devices. If your blog is broken on phones, you are losing readers.Common IssuesThe most frequent problems are sidebar rendering above content, code blocks overflowing the...

Complete Guide to Setting Up a Linux Server for Production

March 06, 2026 • 5 min read • by Trinh Tien Dat

Setting up a Linux server the right way from day one will save you countless hours of troubleshooting later. In this guide, I walk through every step I take when provisioning a fresh Ubuntu server for production — from the first SSH...

How I Set Up a Home Lab for DevOps Practice

November 15, 2025 • 1 min read • by Trinh Tien Dat

Setting up a home lab is one of the best investments you can make as a DevOps engineer. In this post, I walk through my personal setup — from the hardware I chose to the software stack running on it.I started with a refurbished Dell...

Automating SSL Certificate Renewal with Certbot and Cron

July 03, 2025 • 1 min read • by Trinh Tien Dat

SSL certificates are critical for any production website, but manually renewing them is error-prone and tedious. In this guide, I show you how to fully automate renewal using Certbot and a simple cron job.First, install Certbot on your...

Linux Tips I Wish I Knew Earlier

March 20, 2025 • 1 min read • by Trinh Tien Dat

After years of working as a Linux sysadmin, I have collected a set of tips and tricks that I wish someone had told me at the start of my career. Here are my top picks.1. Use tmux. Never lose a running process because your SSH connection...