FrancoStino/linux-troubleshooting
bundled-skills/linux-troubleshooting/SKILL.md
Linux system troubleshooting workflow for diagnosing and resolving system issues, performance problems, and service failures.
$ install --global
skillsauthnpx skillsauth add FrancoStino/opencode-skills-antigravity linux-troubleshootingInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: May 11, 2026, 2:41 AM72.6s1 file scanned
SKILL.md
- name:
- linux-troubleshooting
- description:
- Linux system troubleshooting workflow for diagnosing and resolving system issues, performance problems, and service failures.
- category:
- granular-workflow-bundle
- risk:
- safe
- source:
- personal
- date_added:
- 2026-02-27
Linux Troubleshooting Workflow
Overview
Specialized workflow for diagnosing and resolving Linux system issues including performance problems, service failures, network issues, and resource constraints.
When to Use This Workflow
Use this workflow when:
- Diagnosing system performance issues
- Troubleshooting service failures
- Investigating network problems
- Resolving disk space issues
- Debugging application errors
Workflow Phases
Phase 1: Initial Assessment
Skills to Invoke
bash-linux- Linux commandsdevops-troubleshooter- Troubleshooting
Actions
- Check system uptime
- Review recent changes
- Identify symptoms
- Gather error messages
- Document findings
Commands
uptime
hostnamectl
cat /etc/os-release
dmesg | tail -50
Copy-Paste Prompts
Use @bash-linux to gather system information
Phase 2: Resource Analysis
Skills to Invoke
bash-linux- Resource commandsperformance-engineer- Performance analysis
Actions
- Check CPU usage
- Analyze memory
- Review disk space
- Monitor I/O
- Check network
Commands
top -bn1 | head -20
free -h
df -h
iostat -x 1 5
Copy-Paste Prompts
Use @performance-engineer to analyze system resources
Phase 3: Process Investigation
Skills to Invoke
bash-linux- Process commandsserver-management- Process management
Actions
- List running processes
- Identify resource hogs
- Check process status
- Review process trees
- Analyze strace output
Commands
ps aux --sort=-%cpu | head -10
pstree -p
lsof -p PID
strace -p PID
Copy-Paste Prompts
Use @server-management to investigate processes
Phase 4: Log Analysis
Skills to Invoke
bash-linux- Log commandserror-detective- Error detection
Actions
- Check system logs
- Review application logs
- Search for errors
- Analyze log patterns
- Correlate events
Commands
journalctl -xe
tail -f /var/log/syslog
grep -i error /var/log/*
Copy-Paste Prompts
Use @error-detective to analyze log files
Phase 5: Network Diagnostics
Skills to Invoke
bash-linux- Network commandsnetwork-engineer- Network troubleshooting
Actions
- Check network interfaces
- Test connectivity
- Analyze connections
- Review firewall rules
- Check DNS resolution
Commands
ip addr show
ss -tulpn
curl -v http://target
dig domain
Copy-Paste Prompts
Use @network-engineer to diagnose network issues
Phase 6: Service Troubleshooting
Skills to Invoke
server-management- Service managementsystematic-debugging- Debugging
Actions
- Check service status
- Review service logs
- Test service restart
- Verify dependencies
- Check configuration
Commands
systemctl status service
journalctl -u service -f
systemctl restart service
Copy-Paste Prompts
Use @systematic-debugging to troubleshoot service issues
Phase 7: Resolution
Skills to Invoke
incident-responder- Incident responsebash-pro- Fix implementation
Actions
- Implement fix
- Verify resolution
- Monitor stability
- Document solution
- Create prevention plan
Copy-Paste Prompts
Use @incident-responder to implement resolution
Troubleshooting Checklist
- [ ] System information gathered
- [ ] Resources analyzed
- [ ] Logs reviewed
- [ ] Network tested
- [ ] Services verified
- [ ] Issue resolved
- [ ] Documentation created
Quality Gates
- [ ] Root cause identified
- [ ] Fix verified
- [ ] Monitoring in place
- [ ] Documentation complete
Related Workflow Bundles
os-scripting- OS scriptingbash-scripting- Bash scriptingcloud-devops- DevOps
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
Related Skills
FrancoStino/llm-security
tools
VerifiedTrustedCommunity
Authorized security assessment of LLM applications and AI agents: prompt injection, tool abuse, RAG exposure, memory poisoning, system-prompt extraction, and agent-compliance engineering per OWASP LLM/ASI Top 10.
68SKILL.mdUpdated Aug 30, 2026
FrancoStino/liuguang-banlan-ui
development
VerifiedTrustedCommunity
Builds two parameterized UI modes—流光溢彩白 (iridescent white) and 五彩斑斓黑 (colorful black)—with OKLCH, WebGL/CSS fallback, vision gating, screenshot QA, and total/per-color intensity reports. Use when a UI request names either mode or needs measured color parameters.
68SKILL.mdUpdated Aug 30, 2026
FrancoStino/kimi-delegate
tools
VerifiedTrustedCommunity
Delegate coding tasks to the Kimi Code CLI (`kimi`) only when the user explicitly requests it, while the orchestrator retains review and landing responsibility.
68SKILL.mdUpdated Aug 30, 2026
FrancoStino/js-reverse
development
VerifiedTrustedCommunity
Front-end JavaScript reverse engineering: locate signature chains, analyze encrypted request parameters, sample runtime behavior, and reproduce logic locally in Node for evidence-based output.
68SKILL.mdUpdated Aug 30, 2026