hostcheck（hostcheck 运维）

Host Health Check - Free Edition

A free skill that checks your OpenClaw host for basic health, security posture, and maintenance status. Provides recommendations without requiring paid antivirus software.

What It Checks

1. System Status

• Uptime
• Memory usage
• Disk space
• CPU load

2. Update Status (apt)

• Pending security updates
• Outdated packages
• Last update check

3. Security Posture

• SSH configuration (password auth, root login)
• Firewall status (ufw)
• Open ports
• Failed login attempts

4. Backup Status

• Backup cron jobs
• Recent backup files
• Disk space for backups

5. OpenClaw Status

• Gateway running
• Services status
• Recent errors

Usage

When user asks for system health, security check, or similar:

/hostcheck

Or just describe what you want:

• "Check my system"
• "Is everything up to date?"
• "Security status"

Output Format

Provide a clear status report:

## 🖥️ System Health Report

### ✅ System Status
- Uptime: 5 days
- Memory: 45% used
- Disk: 62% used

### ⚠️ Updates Available
- 3 security updates (run: sudo apt upgrade)
- Last check: 3 days ago

### 🔒 Security
- SSH: Password auth disabled ✓
- Firewall: Active ✓
- Failed logins: 0 (last 24h)

### 💾 Backups
- Last backup: Yesterday
- Next backup: Tomorrow 02:00

### 🔧 OpenClaw
- Gateway: Running ✓
- Services: All active ✓

Recommendations

If issues found, provide actionable advice:

• Run sudo apt update && sudo apt upgrade
• Check firewall with sudo ufw status
• Review logs with journalctl --user -u trading-*
• Set up backups with rsync or Borg

Notes

• This is READ-ONLY by default
• Ask before making any changes
• Does NOT include virus scanning (requires ClamAV)
• Does NOT include real-time protection
• UFW requires manual installation (sudo apt install ufw)

Current Host Status (Example)