How to Manage Network Interfaces on Ubuntu 26.04

To manage network interfaces on Ubuntu 26.04, bring a NIC down and up. Change ens3 to match yours.

Step 1 : Show addresses.

ip addr show

Step 2 : Short listing.

ip a

Step 3 : Change ens3 to match your NIC.

sudo ip link set ens3 down
sudo ip link set ens3 up

Step 4 : Install net-tools if you want ifconfig.

sudo apt update
sudo apt install net-tools

Step 5 : List interfaces with ifconfig.

ifconfig

Step 6 : Bring the NIC down and up with ifconfig.

sudo ifconfig ens3 down
sudo ifconfig ens3 up

You have managed network interfaces on Ubuntu 26.04.