How to Manage Network Interfaces on Ubuntu server 23.10

To manage network interfaces on Ubuntu Server 23.10, follow these steps:

Step 1 : To manage network interfaces, use the ip command.

Step 2 : Execute the following command to display detailed information about all network interfaces:

ip addr show

Step 3 : Alternatively, you can use the abbreviated form:

ip a

Step 4 : To bring down and then bring up a specific interface (e.g., enp0s3), use the following commands:

sudo ip link set enp0s3 down
sudo ip link set enp0s3 up

Step 5 : You can also use the traditional ifconfig command. If it's not already installed, install the net-tools package:

sudo apt-get install net-tools

Step 6 : After installing net-tools, display information about all interfaces using:

ifconfig

Step 7 : Similar to the ip command, bring down and then bring up the interface (e.g., enp0s3):

sudo ifconfig enp0s3 down
sudo ifconfig enp0s3 up

Congratulations! You have successfully managed network interfaces on Ubuntu Server 23.10.