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I document my path into Linux, networking and defensive security. Every project here starts with a real problem and ends with what I learned solving it. name : Kayo
base : Brazil
focus : Blue Team / Defensive Security
stack : Linux, Networking, Virtualization
studying : OSINT, Threat Investigation
method : build, break, troubleshoot, document |
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Linux
Networking
Containers
Infrastructure & Monitoring
Virtualization
Tools
Security focus
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An end-to-end enterprise IT infrastructure project, built around a physical networking laboratory and centralized Network Operations Center. The project covers structured cabling, network racks, Cisco routing and switching, VLAN segmentation, Linux servers, containerized services, infrastructure monitoring, and technical troubleshooting. Documentation also includes infrastructure architecture, implementation evidence, and a financial analysis comparing deployment and operational costs.
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Fixes RGB lighting on generic gaming keyboards that use the Scroll Lock LED as a firmware trigger, on systems where the compositor doesn't sync the LED state with the hardware. |
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Networking labs that grow from core fundamentals to multi-site infrastructure, routing, OSPF and troubleshooting. |
Practice with Linux and the command line: commands, networking and system administration. |
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Hands-on Linux administration: networking, services, security and multi-server infrastructure, built as a personal reference guide. |
Debian server labs focused on administration, networking, services, security and infrastructure. |
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My first 2D game, an introduction to game development and interactive projects. |
