Tool discovery and shell one-liner reference for sysadmin, DevOps, and security tasks. AUTO-CONSULT this skill when the user is: troubleshooting network issues, debugging processes, analyzing logs, working with SSL/TLS, managing DNS, testing HTTP endpoints, auditing security, working with containers, writing shell scripts, or asks 'what tool should I use for X'. Source: github.com/trimstray/the-book-of-secret-knowledge
Curated tool recommendations and practical shell one-liners for operational work.
Load relevant references when user is:
| File | Use When |
|---|---|
references/shell-oneliners.md | Need practical commands for: terminal, networking, SSL, curl, ssh, tcpdump, git, awk, sed, grep, find |
references/cli-tools.md | Recommending CLI tools: shells, file managers, network utils, databases, security tools |
references/web-tools.md |
| Web-based tools: SSL checkers, DNS lookup, performance testing, OSINT, scanners |
references/security-tools.md | Pentesting, vulnerability scanning, exploit databases, CTF resources |
references/shell-tricks.md | Shell scripting patterns and tricks |
mtr - traceroute + ping combinedtcpdump / tshark - packet capturenetstat / ss - connection monitoringnmap - port scanningcurl / httpie - HTTP testingdig / host - DNS queriesdnsdiag - DNS diagnosticssubfinder / amass - subdomain enumerationopenssl - certificate inspectiontestssl.sh - TLS testingsslyze - SSL scanningcertbot - Let's Encrypthtop / btop - process monitoringstrace / ltrace - syscall/library tracinglsof - open files/connectionsncdu - disk usagelnav - log navigatorGoAccess - web log analyzerangle-grinder - log slicingdive - Docker image analysisctop - container toplazydocker - Docker TUIReferences auto-refresh weekly (Sundays 5am ET) from the upstream repo:
~/clawd-duke-leto/skills/sysadmin-toolbox/scripts/refresh.sh
Manual refresh anytime:
./scripts/refresh.sh [skill-dir]
"Why is this port not responding?" → Load shell-oneliners.md, search for netstat/ss/lsof commands
"What's a good tool for testing SSL?" → Load cli-tools.md SSL section, recommend testssl.sh or sslyze
"Show me how to find large files" → Load shell-oneliners.md, search for find/ncdu/du commands
"I need to debug DNS resolution" → Load shell-oneliners.md dig section + recommend dnsdiag from cli-tools.md