Have you ever wanted to set up a secure ssh connection on Ubuntu 20.04 LTS? Well, look no further because we have got you covered with all the information you need to know to make this happen.
Ubuntu 20.04 LTS is a powerful operating system that can help you achieve your goals, but it can also be daunting to navigate through. One thing you must understand is that Ubuntu 20.04 LTS has a default root account that is deactivated, which means that we can't use it. Instead, we need to create a sudo user, and this is where things can become tricky.
But fear not, we have a solution! You can set up a secure ssh connection on Ubuntu 20.04 LTS by adding a new sudo user. This will grant you administrative access so you can perform tasks that require elevated permissions.
Now, what is an ssh connection? An ssh (secure shell) connection is a secure way of accessing a remote server. It enables you to run commands on the server that you wouldn't be able to run otherwise, facilitating efficient system administration.
One way to set up a secure ssh connection on Ubuntu 20.04 LTS is to create a new user account with sudo privileges. This means that the user will have the right to run commands with administrative privileges.
First, you need to log in to your Ubuntu 20.04 LTS server as the root user. Once you're logged in, follow these simple steps to create a new sudo user:
1. Type in the command 'adduser [username],' and replace [username] with the name of the user you want to create.
2. Set a strong password for your new user.
3. Confirm the password.
4. Fill in the user's details.
5. Type in the command 'usermod -aG sudo [username],' replacing [username] with the username of the user you just created.
Now that you have created a new sudo user, you can set up ssh access using key-based authentication. This is a more secure approach than using a password to gain access to your server.
To set up key-based authentication, you need to create a public and private key pair on your local computer. Then, you will need to copy the public key to your Ubuntu 20.04 LTS server by using the ssh-copy-id command.
Finally, you can disable password-based authentication, ensuring that only the user with the private key can log in to your server.
That's all there is to it! With these simple steps, you can set up a secure ssh connection on Ubuntu 20.04 LTS and gain administrative access to your server. Now, you can take your Ubuntu 20.04 LTS experience to the next level and start achieving your goals with ease.
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