aaaaqwq/linux-troubleshooting
skills/linux-troubleshooting/SKILL.md
Linux system troubleshooting workflow for diagnosing and resolving system issues, performance problems, and service failures.
$ install --global
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SKILL.md
- name:
- linux-troubleshooting
- description:
- Linux system troubleshooting workflow for diagnosing and resolving system issues, performance problems, and service failures.
- source:
- personal
- risk:
- safe
- domain:
- system-administration
- category:
- granular-workflow-bundle
- version:
- 1.0.0
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
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