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sysadmin

Adminguide Helper: Enforce, Guard, Automate, Observe Kit

Lightweight, secure control plane & real-time web dashboard in Crystal for Linux firewalld and NetworkManager host security.

Real-Time GTK4/Libadwaita Text Streaming Viewer for GNOME

Report-only Windows machine auditor in pure PowerShell: disk composition, duplicates, health, and network checks. No installs, never modifies the system.

This repository inclues the stuff I use to run my Void Linux normally.

Serie práctica de infraestructura empresarial en Linux: 10 laboratorios de Infraestructura como Código (IaC) con OpenTofu, CentOS Stream 10, SELinux en modo Enforcing y estándares FHS 3.0 para r/LinuxEnEspanol patrocinada por Cherry Servers.

Scan your WordPress core, themes and plugins for known CVEs from the command line. Open source, auditable, privacy-first — powered by the ValtersIT CVE API.

Scan installed Windows software for known CVEs from PowerShell. Open source, auditable, privacy-first — powered by the ValtersIT CVE API.

Open-source CVE scanners for WordPress, Linux, Docker and Windows — one command, a list of the CVEs that affect your stack. Powered by the ValtersIT CVE API.

Group & Telegram Manager CLI (C++23 / TDLib)

Personal Windows maintenance scripts

A minimalist, ping-based uptime monitor with email alerts. Open source core.

An interactive, browser-based IPv4 CIDR calculator and Variable-Length Subnet Mask (VLSM) visualizer. Carve up network blocks, toggle AWS VPC mode, and share infrastructure layouts instantly via compressed URLs. 100% client-side with Netlify Edge geolocation integration.

A Python 3.12 CLI wrapper for Ubuntu system administration. Exposes the os command as a single entry point for apt updates, with per-run execution logs, sudo credential handling, and a modular registry for adding more command wrappers. Built with uv.

PowerShell scripts for day-to-day network & systems administration: ping sweeps, DNS/port checks, event-log reports, server inventory, service monitoring and SSH router config backups.

Intuitive CLI wrapper for UFW. Human-readable firewall commands, 100+ service names, named IP groups, diagnostics, and tab completion. No flags, no manual.

All-in-One Linux productivity CLI tool with 30+ commands for system management, networking, services, and deployment. Compatible with Debian & Ubuntu.

System Administration project from 42 ~ "You can do anything you want to do. This is your world."

Nightly per-user disk usage snapshots for a shared home directory, with a report showing how each user's usage changed over time.