SOP – Adding a New User with Sudo Permissions in Linux

SOP for Adding a New User with Sudo Permissions


The objective of this SOP is to provide a standardized procedure for adding a new user to a Linux server with sudo permissions.


  1. Access to the Linux server with administrative privileges.
  2. Basic knowledge of Linux command line interface.


  1. Connect to the Linux Server:

    Open a terminal window or SSH client to connect to the Linux server.

  2. Switch to Root User (Optional):

    If not already logged in as root, switch to the root user by executing:

    sudo su -
  3. Add New User:

    Add a new user using the adduser command. Replace <username> with the desired username:

    adduser <username>

    Follow the prompts to set a password and fill in optional user information.

  4. Grant Sudo Permissions:

    Add the newly created user to the sudo group to grant sudo permissions:

    usermod -aG sudo <username>
  5. Verify Sudo Access:

    Switch to the newly created user to verify sudo access:

    su - <username>

    Test sudo permissions by executing a command with sudo:

    sudo whoami

    Enter the user password when prompted.

  6. Test SSH Access (if applicable):

    If the user requires SSH access, test SSH login with the new user credentials:

    ssh <username>@<server_ip>

    Verify successful login.

  7. Update Security Policies (Optional):

    If required by organizational policies, update sudoers file to customize sudo permissions:

    sudo vi sudo

    Add or modify sudo rules as necessary, following the syntax and guidelines provided in the sudoers file.

  8. Document User Credentials:

    Document the newly created user’s credentials, including username, password (if applicable), and sudo privileges for future reference.

  9. Notify Relevant Parties (Optional):

    Notify relevant team members or stakeholders about the creation of the new user for awareness and access management purposes.


Once the new user has been successfully added with sudo permissions and tested for access, the SOP is considered complete.


  • Ensure that the new user’s password follows the organization’s password policy for security purposes.
  • Regularly review and update sudo permissions and user accounts as per security requirements and personnel changes.


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