CompTIA A+ Certified IT Support Technician

Titus Canet

IT Support Technician with hands-on Linux server, DNS configuration, and production web infrastructure experience.

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Core Competencies

Hands-on foundational skills across support, networking, systems administration, and infrastructure deployment.

IT Support

  • Windows OS troubleshooting
  • Hardware diagnostics
  • User account management
  • Remote support tools
  • Ticket documentation practices

Networking

  • TCP/IP fundamentals
  • DNS and DHCP concepts
  • Subnetting basics
  • Router configuration fundamentals
  • Basic network troubleshooting

Systems

  • Linux CLI navigation
  • File permissions and ownership
  • Service management with systemctl
  • Log file review
  • System updates and patching

Infrastructure

  • Nginx configuration
  • SSL/TLS with Let’s Encrypt
  • DNS record management
  • UFW firewall configuration
  • VPS deployment

Production Linux Web Server Deployment

This website is hosted on a Linux-based VPS that I configured and maintain. The deployment includes server setup, DNS management, TLS encryption, firewall configuration, and WordPress administration in a live environment.

Configuration Highlights

  • Provisioned and configured an Ubuntu VPS
  • Installed and configured Nginx
  • Configured domain and DNS records
  • Implemented HTTPS using Let’s Encrypt
  • Applied UFW firewall rules
  • Installed and maintained WordPress
  • Performed updates and basic troubleshooting in production

Environment

  • Ubuntu
  • Nginx
  • WordPress
  • PHP
  • DNS
  • SSL/TLS
  • UFW

Project Focus

While the site currently runs on WordPress, the focus of this project has been understanding the full deployment path from server provisioning to web application maintenance. I am also rebuilding the front-end structure through a custom WordPress theme to strengthen both presentation and technical ownership.

Virtualized Home Lab Environment

I maintain a virtualized lab environment to practice system administration, networking, and troubleshooting workflows in a controlled setting.

Environment

  • VirtualBox-based lab setup
  • Ubuntu Server (Linux VM)
  • Windows client VM
  • Internal virtual network configuration

File Server Project

  • Configured Samba file server on Linux
  • Created user and group-based access control
  • Implemented shared directories with permissions
  • Tested authentication from Windows client

Skills Practiced

  • Linux user and group management
  • File permissions and access control
  • Network configuration with static IPs
  • Service configuration and troubleshooting

Networking Setup

  • Configured VirtualBox internal network
  • Assigned static IP addresses using netplan
  • Verified connectivity using ping tests
  • Troubleshot network configuration conflicts