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sysadmin

Diagnose and manage Linux, macOS, and Windows infrastructure with guided commands.

10|7|Updated Mar 14, 2026
Search Tags:#security#backup#infrastructure#diagnostics#server#sysadmin
One-click install
npx skills add https://github.com/librefang/librefang-registry --skill sysadmin-librefang
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: sysadmin
Source: https://github.com/librefang/librefang-registry/tree/main/skills/sysadmin
Command: npx skills add https://github.com/librefang/librefang-registry --skill sysadmin-librefang

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

The Sysadmin skill helps you manage servers, troubleshoot issues, and maintain healthy infrastructure across Linux, macOS, and Windows.

Core Features & Use Cases

  • Diagnostics: CPU/Memory, Disk, Network, Logs, and Processes across platforms.
  • Service Management: start/stop/restart/status for systemd on Linux, launchd on macOS, and Windows services.
  • Security Hardening: best practices for SSH, firewalls, updates, and auditing.

Quick Start

Ask it to diagnose a Linux service issue and propose a safe remediation plan.

Frequently Asked Questions about sysadmin

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I diagnose high CPU or memory usage on a Linux server?▼

Diagnosing server CPU or memory issues requires checking processes, logs, and system resources. This skill provides cross-platform diagnostics to identify bottlenecks across Linux, macOS, and Windows, and proposes safe remediation plans.

What is the best way to manage systemd services and troubleshoot failures?▼

Managing systemd services involves using start, stop, restart, and status commands to troubleshoot failures. This skill guides safe service configuration and diagnostics across Linux, macOS launchd, and Windows services.

Can I use this to apply security hardening best practices for SSH and firewalls?▼

Yes, you can apply security hardening best practices for SSH, firewalls, updates, and auditing. This skill helps securely configure cross-platform infrastructure using safe-guarded operations and built-in administrative guidelines.

Does this sysadmin skill work with macOS launchd and Windows services?▼

Yes, the sysadmin skill works with macOS launchd and Windows services. It provides unified service management and troubleshooting capabilities for Linux, macOS, and Windows servers within a single cross-platform infrastructure workflow.

How do I safely perform server backups before making infrastructure changes?▼

Safely performing server backups requires safe-guarded operations before modifying infrastructure. This skill integrates backup best practices into its diagnostic and service configuration workflows to prevent data loss across platforms.

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