![]() ![]() Get Temporary root access through the sudo command ![]() You can exit the root command prompt and become a normal user again by using the exit command as follows: # exit Any undue change to the system files can mess up with your entire system settings. Note: It is very important to stay careful while making any sensitive changes to your system files while logged in as root. We can make any changes to the file and save the changes by hitting Ctrl+X. Since we are now logged in as root, we will be able to see the file in the following manner: You can only edit it if you are logged in as root or if you are using the sudo command to temporarily avail root privileges. The system file is mentioned as unwritable because an unauthorized user can not make any changes to its configurations. When we open it as a normal user, you will be able to see the following lines at the end of the file: The file nf located in /etc/ needs root privileges for you to make any changes to it. Now that you are logged in as root, you can perform all the administrative operations on Ubuntu. The user that is created during Ubuntu installation is a member of the sudo group by default. Only Ubuntu users that are members of the sudo group are able to become root user like this. To become root user from an unprivileged (normal user account) account when there is no root password set, use this command: sudo -sĮnter the password of your Ubuntu user when requested. ![]() You can read later in the article about how to lock/unlock the root account. In case you get the following authentication failure message when you enter the password for root, it means that the root account is blocked at the moment. This would mean that you are now logged in as root. Ideally, you now will be able to see the “#” sign in front of your command prompt. The system will ask you the password for root. This command will ask the system to log you in as a superuser. Open your Ubuntu Terminal and enter the following command: $ su. Therefore, you need to open the Terminal application either through the system Dash or the Ctrl+Alt+T shortcut. We will be using the Ubuntu command line, the Terminal, in order explain how to become and also how to change the password for root user. We have run the commands and procedures mentioned in this article on a Ubuntu 20.04 LTS system. This will help you in performing all the software installation, removal, customization, and also system configuration operations. In this article, we will explain how to become a root user in the Ubuntu command line. It is important to note that you need to be an authorized sudoer to perform all the root user operations described in this article. Ubuntu gives it complete root privileges and it is added to the list of sudoers in the /etc/sudoers file. By default, the first user created when you install Ubuntu is given the sudo rights. You can either temporarily become root user or you need to provide a password with the sudo command that helps in keeping accountability for all actions of the user as an administrator. The latest versions of Ubuntu, by default, do not come with a root user with a specially encrypted password it has hence created a functionality by the name of “sudo” which you can use to perform various administrative operations. Sure, they're incorrect, but they're better than nothing, especially if you accidentally delete the contents of the original files.Before starting with how to become a root user in order to perform sensitive Ubuntu operations, it is important to have some understanding of the significance of a root user in Linux. Once you're there, before you make any changes, it's a good idea to make backup copies of your two corrupt files. Either way-password or not-you'll end up logged in as root. Or, if you set a root password in your installation, you'll be prompted for your root password. You know when you boot up, you get several options for how you want to boot up? There's usually a kernel, recovery mode, and memtest at the very least.Īfter you boot into recovery mode, you should be logged in as root. The answer is something called recovery mode. Now, this begs the question, "How can I edit the /etc/group file if I don't have sudo permissions?" Substitute your actual username for firstuser, of course. You may also want to consider donating directly to the Ubuntu project.įor troubleshooting purposes, the most important line in the /etc/group file is the one in bold, which specifies who is in the admin group, and hence who has sudo privileges. ![]() If you've found these tutorials useful, please consider donating a small amount to one of my favorite non-profits/charities. ![]()
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