Network Configuration

Configure and manage network connections in Debian 13 using NetworkManager and command-line tools.

🌐 NetworkManager

Basic Configuration

# Check network status
nmcli device status

# Show connections
nmcli connection show

# Connect to WiFi
nmcli dev wifi connect "NetworkName" password "password"

# Restart NetworkManager
sudo systemctl restart NetworkManager

Static IP Configuration

# Create static connection
nmcli con add type ethernet con-name "static" ifname eth0 \
  ip4 192.168.1.100/24 gw4 192.168.1.1

# Set DNS servers
nmcli con mod "static" ipv4.dns "8.8.8.8,8.8.4.4"

# Activate connection
nmcli con up "static"

📡 WiFi Management

Command Line WiFi

# List available networks
nmcli dev wifi list

# Connect to network
nmcli dev wifi connect "SSID" password "password"

# Show saved connections
nmcli con show

# Delete connection
nmcli con delete "connection-name"

🔧 Manual Configuration

Using /etc/network/interfaces

# Edit network configuration
sudo nano /etc/network/interfaces

# Example static configuration:
auto eth0
iface eth0 inet static
  address 192.168.1.100
  netmask 255.255.255.0
  gateway 192.168.1.1
  dns-nameservers 8.8.8.8 8.8.4.4

📚 Related Resources

• Troubleshooting - Network issues
• Security Settings - Network security
• System Configuration - General setup

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