Initial: Claude config with agents, skills, commands, rules and scripts

skills/sysadmin.md

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+# System Administration Skill
+
+## System Info
+```bash
+uname -a                 # Kernel info
+cat /etc/os-release      # OS details
+hostname                 # Hostname
+uptime                  # System uptime
+```
+
+## Process Management
+```bash
+ps aux                  # All processes
+top                     # Interactive view
+htop                    # Better top
+kill -9 pid             # Force kill
+pkill process_name      # Kill by name
+```
+
+## Memory & Disk
+```bash
+free -h                 # Memory usage
+df -h                   # Disk usage
+du -sh folder           # Folder size
+```
+
+## Network
+```bash
+ip addr                 # IP addresses
+netstat -tulpn          # Listening ports
+ss -tulpn              # Alternative to netstat
+curl url               # HTTP request
+wget url               # Download
+```
+
+## Services
+```bash
+systemctl status service
+systemctl start service
+systemctl stop service
+systemctl restart service
+systemctl enable service
+```
+
+## User Management
+```bash
+whoami                  # Current user
+id                       # User info
+useradd name            # Add user
+usermod -aG group user # Add to group
+passwd user             # Change password
+```
+
+## Logs
+```bash
+journalctl -u service   # Service logs
+tail -f /var/log/syslog
+dmesg | tail
+```