Sudo Unable To Resolve Host Name Or Service Not Known Ubuntu

Welcome to the world of Ubuntu 20.04 LTS! Are you tired of logging in as a root user on your Linux Server? Well, worry no more! Thanks to nixCraft, you can now create a Sudo user on Ubuntu 20.04 LTS in just a few easy steps.

One of the most significant advantages of creating a Sudo user is that it improves the security of your Linux Server. By creating a Sudo user instead of using the root user, you can limit the actions that users can perform on your server. This means that your server is less vulnerable to hacking attempts or malicious attacks.

So, how do you create a Sudo user on Ubuntu 20.04 LTS? First, you need to log in to your server using your root credentials. Once you are logged in, you can then create a new user with Sudo privileges. Next, you will need to add the new user to the Sudo group.

Adding a new user to the Sudo group is easy. All you need to do is run the following command on your Linux Server:

$ usermod -aG sudo new_username

It's as simple as that! Now, the new user has Sudo privileges and can perform administrative tasks that require elevated permissions without logging in as root.

If you're not sure whether the new user has Sudo privileges, you can test it by running a command that requires elevated permissions. For example, you can run the following command:

$ sudo apt-get update

If the new user has Sudo privileges, they will be able to update the Ubuntu package list. If not, they will receive a message saying that they do not have permission to perform the requested action.

In conclusion, creating a Sudo user on Ubuntu 20.04 LTS is an easy way to improve the security of your Linux Server. By following the above steps, you can create a new user with the necessary privileges to perform administrative tasks that require elevated permissions without having to log in as root. So, what are you waiting for? Try it out today and improve the security of your Linux Server!

Sudo unable to resolve host name or service not known ubuntu

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