I'm Grant Mullins, a Virginia Tech graduate with degrees in Computer Science and Mathematics. I'm also CompTIA Security+ and ISC2 CC Certified.
I enjoy hands-on learning through personal projects, including my homelab network and this webserver. You can see more of my projects below.
I try to document everything I learn. You can find out more on my blog.
cybersecurity
networking
mathematics
root@grantmullins.net:/#
whoami
root@grantmullins.net:/#
ls projects/
ansible-homelab
An Ansible/Goss setup for my homelab servers
learn-linux-text-sculpting
Short tutorials and examples for the common text filtering and editing commands on Linux
root@grantmullins.net:/#
tail -n 2 blog.log
root@grantmullins.net:/#
ls math_notes/
2026 Math Club Talk
A presentation of mathematical tilings and three problems that unexpectedly use them in their solutions. I created and presented this at a Virginia Tech Math Club meeting during the Spring 2026 semester.
2025 Beginner Problem-Solving
An intro to foundational competitive math topics, with problems and solutions. I made these as the Head of Competitive Math when I hosted Beginner Problem-Solving meetings for the Virginia Tech Math Club during the Fall 2025 semester.
2024 Putnam Prep
A collection of Putnam problems (and pre-Putnam problems) grouped by topic, along with a hint for each problem. I made these as the Head of Competitive Math when I hosted Putnam Prep meetings for the Virginia Tech Math Club during the Fall 2024 semester.