Home – Carlos Espinosa Technological Portfolio

Carlos Espinosa Technological Portfolio

Home
Projects
📧 Email Me!
🏙️Miami, FL

Category Archives: Home

Home -
Archive by category "Home"

Introduction to Linux

What is Linux? Linux is an open-source operating system that rivals Microsoft Windows and Apple’s macOS. I mean, 70% of ALL servers worldwide utilize Linux. Linux does not have as much bloat or extra baggage compared to the other two

Introduction to Linux

6 Feb, 2026 Home, Miscellaneous, Projects

Ticketing Systems – Using ServiceNow

One of the most vital tools necessary to run a seamless, supportive and successful IT department is a proper ticketing system. Without one, there would be complete chaos. Issues would be reported through scattered emails, phone calls and hallway conversations

Ticketing Systems – Using ServiceNow

29 Jan, 2026 Home, Miscellaneous, Projects

Network Lab 3 – Advanced Security and Redundancy

This lab implements a collapsed-core enterprise network with emphasis on security, redundancy, and high availability. Key technologies include HSRP, EtherChannel, Rapid-PVST+, OSPF, stateful firewalls, a DMZ zone, wireless controller integration, and comprehensive Layer 2 security. …

Network Lab 3 – Advanced Security and Redundancy

28 Oct, 2025 Home, Network Network

Active Directory Lab 3 – GPOs, Service Accounts, Permissions

Showcasing the power of GPOs and enterprise file management. Setting up shared network drives deployed through Group Policy, using File Server Resource Manager to control storage, configure folder permissions, implement access-based enumeration. Create service accounts. …

Active Directory Lab 3 – GPOs, Service Accounts, Permissions

28 Oct, 2025 Active Directory, Home Active Directory