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Mathscantor's Cyber Journey

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Spinning Up Local LLMs

Turning an old RTX 2070 desktop into a local LLM server with llama.cpp and OpenCode agents
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Sudo CVE-2023-22809 Analysis

Tracing a sudoedit bypass from a harmless environment variable to full privilege escalation
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Oracle CVE-2020-2555 Analysis

Tracing a WebLogic deserialization bug from a harmless toString() to full RCE
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Linux Kernel Module Debugging

Stop guessing kernel addresses. The kernel already told you where your module lives.
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Linux EDR for Host Events

An exploration of open‑source Linux EDRs and the kernel‑level signals that power modern threat hunting.