Root access ubuntu
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Graphical Applications and Root Access
Using gksudo and kdesudo
To run graphical applications with root privileges, use (or for Kubuntu) instead of . You can use it with sudo to temporarly switch to root user:
If you try to use the su command without sudo, you’ll encounter ‘su authentication failure’ error.
You can go back to being the normal user by using the exit command.
How to enable root user in Ubuntu?
By now, you know that the root user is locked by default in Ubuntu-based distributions.
Linux gives you the freedom to do whatever you want with your system.
Instead, Ubuntu encourages the use of the command, which temporarily grants administrative privileges. Best Practices for Managing the Root Account
Security Recommendations
- Keep the Root Account Disabled: Whenever possible, keep the root account disabled and use instead.
- Use a Strong Password: If enabling root, use a strong, hard-to-guess password.
- Define Security Policies: Set access control policies and monitor logs when using the root account.
Policy Configuration
When enabling the root account, define access policies specifying who can access the system and when.
This ensures that the environment variable is set correctly, preventing applications from inadvertently creating configuration files in the wrong directory.
How to Use gksudo
The following example launches the text editor with root privileges:
This prevents graphical applications from treating a user’s home directory as root’s home directory, avoiding unexpected behavior.
Difference Between sudo and gksudo
When using to launch a graphical application, the variable remains unchanged, meaning files may be created with incorrect ownership.
After entering it successfully, you will be asked to set a new password for the root user. If you forget it, you won’t be able to change the root password in Ubuntu again.
You can lock the root user again by removing the password:
How to Reset Forgotten Ubuntu Password in 2 Minutes
If you forgot your user password on Ubuntu, don’t worry.
If mismanaged, it can compromise the security and stability of the system, making careful usage necessary.
2. Unlocking the root user is one of those freedoms.
If, for some reason, you decide to enable the root user, you can do so by setting up a password for it:
Again, this is not recommended and I won’t encourage you to do that on your desktop.
If you have to cut a fruit, you use a kitchen knife. Additional Resources
Resources for Further Learning
Using these resources will help you deepen your understanding of root access in Ubuntu and develop the skills required to manage your system securely and efficiently.
How do I login as root?
Current best practices recommend using an unprivileged user for normal operations, mainly to minimize possible mistakes that could damage the system.
Only use root access when absolutely necessary.
Always Use When Possible#
Even after enabling root access, it's a good practice to use the command when performing administrative tasks from your regular user account. Enabling and Disabling Root Login
Enabling Root Login
To enable the root account, which is disabled by default, run the following command:
This command unlocks the root account and allows root login.
When a user runs a command with , they must enter their own password, which is logged. This way, it's easier to track who performed what administrative actions, and it reduces the risk of accidental or malicious system-wide changes.
Usage Methods#
Method 1: Setting a Password for the Root User#
- Open the terminal.
When using , the system prompts for the user’s password. When root privileges are required, using continues to be the recommended method.
Security Considerations
Enabling root login may weaken your system’s security. You type your password and press enter.
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Bottom line: To run commands as root in Ubuntu, add sudo before the command.
Root user can access system files and run commands to make changes to the system configuration. For example, if you want to update Ubuntu via command line, you cannot run the command as a regular user. Just keep on typing the password and press enter.
How to become root user in Ubuntu?
You can use sudo to run the commands as root. By following the guidelines in this blog, you can enable root access safely and effectively when needed.
References#
In conclusion, with proper knowledge and careful use, enabling root access in Ubuntu can enhance your ability to manage and troubleshoot your system.
2025-11
Root User in Ubuntu- Important Things You Should Know
How do you become a root user in Ubuntu?
You may configure it run only a selected few commands as root. Sudo is a program that controls access to running commands as root (or other users).
Sudo is actually quite a versatile tool.