![]() With this knowledge, you can confidently manage and troubleshoot your Ubuntu system.In Unix/Linux systems, the root user account is the super user account, and it can therefore be used to do anything and everything achievable on the system. Additionally, there are many other concepts and methods related to system administration in Ubuntu that you should be familiar with. Understanding how to use the sudo command is essential for managing the system. By default, Ubuntu does not set a password for the root account, but instead uses the sudo command to allow users to perform administrative tasks. ![]() The Ubuntu default password is an important concept to understand if you are new to Ubuntu or Linux in general. To learn more about these concepts and methods, you can consult the Ubuntu documentation or search for tutorials online. Understanding how this system works is important for keeping the system up-to-date and secure. Package management: Ubuntu uses a package management system to install and update software.Understanding how these services work is important for troubleshooting and managing the system. Services: Ubuntu runs many services in the background, such as networking, printing, and file sharing.Understanding how permissions work is essential for managing the system. Permissions: Ubuntu uses a permissions system to control access to files and directories.This can be useful for managing access to the system. User accounts: Ubuntu allows you to create multiple user accounts with different levels of privileges.There are many other concepts and methods that are related to system administration, such as: The Ubuntu default password is just one aspect of system administration in Ubuntu. To exit the root shell and return to your own user account, type exit and press Enter. If your password is correct, you will have a root shell.You will be prompted to enter your own user password.To switch to the root account, follow these steps: This will give you a root shell, where you can run multiple commands without having to use the sudo command each time. If you need to run multiple commands with administrative privileges, you can use the sudo su command to switch to the root account. If your password is correct, the command will run with administrative privileges. ![]() For example, if you want to update your system, type sudo apt update.
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