Linux
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Understanding Ansible Semaphore by Building a Hardening Audit Pipeline with Lynis, and Prometheus
Building an automated Linux hardening audit pipeline using Ansible Semaphore, Lynis, and Prometheus
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Building a Remote SDR “Observatory” with Proxmox and Tailscale
I turned an RTL-SDR dongle in my homelab into a full-time, remote-access RF observatory. This guide covers setting up a Proxmox VM as an SDR server with rtl_tcp, securing it over Tailscale, and streaming signals to GQRX from anywhere in the world.
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Linux Iptables quick reference
iptables in 5 Minutes: a quick cheat-sheet for quick rule edits, safe testing, and making changes stick, without tripping over firewalld, UFW, or nftables.
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Debian Linux Post-installation setup
Debian Linux post-installation checklist: Basic installations and configurations for Terminals, Networking, utilities, etc.
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SSH Tunneling and Port-Forwarding guide
A brief SSH tunneling & proxy methods guide - Dynamic, Remote & Local port-forwarding. Tunneling and Hardening resources.
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PNG to Favicon.ico with ffmpeg
Quick how-to: Create favicon.ico from PNG by using FFMPEG