How to use nmcli to Restart Network on Ubuntu 20.04 In Linux

Using ifdown and ifup commands to Restart Network on Ubuntu 20.04

Frequently Asked Questions on Restarting Network on Ubuntu

Step 1: Turn off networking using nmcli

To turn off networking, use the nmcli command:

sudo nmcli networking off

This command instructs NetworkManager to disable all networking interfaces, effectively disconnecting your system from the network.

Turn off networking using nmcli

Step 2: Turn on networking using nmcli

After turning off networking, you can turn it back on using the following command:

sudo nmcli networking on

This command instructs NetworkManager to enable all networking interfaces, allowing your system to reconnect to the network and resume normal operations.

Turn on networking using nmcli

How to Restart Network on Ubuntu 20.04

In Linux, the Network is the backbone that enables communication between devices and the internet. Restarting the network on Ubuntu 20.04 is crucial for troubleshooting network issues or applying new configurations. This process involves refreshing network services and interfaces to ensure smooth connectivity. There are multiple methods to achieve this, including using systemctl to restart networking.service, using ifdown and ifup commands to bring down and bring up specific network interfaces, or utilizing nmcli to restart its service. Each method offers flexibility based on the user’s requirements and network setup.