How Do I Turn off an Interface in Linux?

How to Disable a Network Interface. The “down” or “ifdown” flag with interface name (eth0) deactivates the specified network interface. For example, the “ifconfig eth0 down” or “ifdown eth0” command deactivates the eth0 interface if it is in an inactive state.

How do I turn off my interface?

Disable an Interface

1. Select Network > Interfaces. The Network Interfaces page appears.
2. Select the interface you want to disable. Click Edit. …
3. From the Interface Type drop-down list, select Disabled.
4. Click Save. In the Network Interfaces page, the interface now appears as type Disabled.

How do I turn off Ubuntu interface?

if you want to disable for example the eth0 (ethernet port), you can sudo ifconfig eth0 down which will disable (down) the port. changing down to up will re-enable it. use ifconfig to view your ports.