How to change the root user password of Linux operating system

Changing the root user password of the Linux operating system is a critical operation, please proceed with caution. The following are common steps for changing the root user password:

Changing the root user password of the Linux operating system is a critical operation, please proceed with caution. The following are common steps for changing the root user password:
1. Open the terminal and log in to the system as root user or as a user with administrator privileges.
2. Enter the following command to change the root user password:` passwd root`
3. The system prompts you to enter a new root password, please enter and confirm.
After entering the new root password, the system will confirm whether the password has been successfully changed.
If the message "Password successfully changed" or similar is displayed, it indicates that the root password has been successfully changed.
matters needing attention:
Passwords are case sensitive, please ensure that the password entered matches the one set.
Please carefully keep the root password to ensure its security.
Changing the root password requires administrator privileges. If you are not a root user, please ensure that you have sufficient permissions to perform this operation.
matters needing attention
Ensure that the password strength set is high enough to avoid using overly simple passwords.
Changing the root password may affect other services of the system. Please make backups and necessary configuration updates.
If it is a production environment, please comply with the company's safety regulations and notify the relevant administrators.
I hope the above methods are helpful to you! If you have any further questions, please contact the DNSHE technical support team.

  • 0 Users Found This Useful
Was this answer helpful?

Related Articles

Common commands for Linux server systems

Linux is widely used in the field of server operating systems, and the vast majority of Linux...

Simple Method for Setting Linux VPS System Synchronization Time and Time Zone

80% of VPS users may choose their preferred system directly after purchasing VPS, and then...

Linux restart command: reboot

Linux also has its own restart command, which is very simple to use. Generally, you only need to...

Nginx configuration using SSL certificate method

The difference between free certificates and paid certificatesFirstly, free SSL certificates come...