How to rename linux

There are six steps required to change the user name in the Linux system: create a new user with corresponding permissions; set the new user's password; copy the existing user files to the new user's home directory; transfer the group permissions to the new user ;Exit the old user session and log in with the new username to authenticate; Delete the old user (optional).

How to change the username in the Linux system

In the Linux system, the username is the only way to identify the user identifier. You may need to change your username for security or other reasons. This article will guide you through the process.

Steps:

1. Create a new user

First, you need to create a new user with the appropriate permissions. Use the following command:

<code>sudo adduser 新用户名</code>

where replace "new username" with the username you want to create.

2. Set Password

Next, set a password for the new user:

<code>sudo passwd 新用户名</code>

Enter and confirm the new password.

3. Copy user files

Now you need to copy the existing user files to the new user’s home directory:

<code>sudo cp -r /home/旧用户名 /home/新用户名</code>

Where, Replace "old username" with your old username.

4. Transfer group permissions to the new user

Transfer the ownership of the old user group to the new user:

<code>sudo chown -R 新用户名:新用户名组 /home/新用户名</code>

Where, "New User Group name" with the new user's group name.

5. Verify new user

Exit the old user session and log in with the new username and password. Verify that all required files and settings are accessible.

6. Delete the old user (optional)

You can delete the old user if you no longer need it:

<code>sudo deluser 旧用户名</code>

Tip:

• Back up your data before changing your username.
• Make sure the new username is not in an existing user group.
• After changing the user name, the system configuration may need to be updated.
• Some applications and services may not be able to update usernames. Please check the relevant documentation for details.

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