How to Set a Password on a Linux Virtual Machine

1. Overview

This guide explains how to set or reset the password of a newly created or existing Linux Virtual Machine (VM).

2. Set or Reset the Password

Step 1: Log In to the Cloud Dashboard

Sign in to the Cloud dashboard using your account credentials.

Step 2: Select the Virtual Machine

Navigate to the list of Virtual Machines and select the Linux VM for which you want to set or reset the password.

Step 3: Open the Console

Click the Console drop-down menu.

Step 4: Log In to the Virtual Machine

Log in to the Virtual Machine using the existing password.

If you do not have a password, refer to the appropriate article to set the initial password before continuing.

Step 5: Change the Password

Run the following command to set a new password:

passwd <username>

For most Linux images, the default user is root.
Example:

passwd root

After entering and confirming the new password, use the updated credentials for future logins.

3. Password Requirements

When creating a new password, follow these guidelines:

• Minimum length of 12–16 characters.
• Include uppercase letters, lowercase letters, numbers, and special characters (such as @, #, $).
• Avoid common or easily guessed words.
• Do not reuse previously used passwords.

Following these guidelines helps improve the security of your Virtual Machine and reduces the risk of unauthorized access.