In this article, we will discuss how to fix the No Internet Connection issue after you installed Ubuntu 20.04.In this guide I will run through from start to finish how to connect to your Ubuntu Desktop GUI using NoMachine “Free remote desktop for everybody”ġ. It is very often observed that after installing Ubuntu 20.04 either on a Physical Server or on a virtual machine, if you try to connect Internet then it won't work. This usually happens when your network interface is not given properly due to which it is not able to fetch the IP from dhcp.

I thought to put together all the steps which I followed to solve this issue.

What is NetplanĪccording to Netplan official website, it is a utility for easily configuring networking on a Linux system. You simply create a YAML description of the required network interfaces and what each should be configured to do. Solved 'No Internet Connection After Installation of Ubuntu 20.04'įrom this description Netplan will generate all the necessary configuration for your chosen renderer tool. Network Connection in Ubuntu 20.04 is managed by the Netplan. So first you need to check the current settings of netplan from /etc/netplan/01-network-manager-all.yaml file.

cat /etc/netplan/01-network-manager-all.yaml # Let NetworkManager manage all devices on this system You can use utility like cat command to check the YAML configuration as shown below. Please note that here I am running all the commands with root user. You can also use root user or any other user with sudo access to run all these commands. If you check the above file carefully then you can see that it does have enough information to run the Internet Connection. So we need to generate a new configuration using YAML file. For that first you need to move all the old yaml file under /etc/netplan to some other file as shown below.

Ubuntu install nomachine