Differences

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+CentOS
+Log in to your server as the root user.
+ssh root@server_ip_address
+Use the adduser command to add a new user to your system.
+Be sure to replace username with the user that you want to create.
+adduser username
+Use the passwd command to update the new user’s password.
+passwd username
+Set and confirm the new user’s password at the prompt. A strong password is highly recommended!
+usermod -aG wheel username
+By default, on CentOS, members of the wheel group have sudo privileges.
+Test sudo access on new user account
+Use the su command to switch to the new user account.
+su - username
+As the new user, verify that you can use sudo by prepending “sudo” to the command that you want to run with superuser privileges.
+sudo command_to_run
+For example, you can list the contents of the /root directory, which is normally only accessible to the root user.
+sudo ls -la /root
+The first time you use sudo in a session, you will be prompted for the password of the user account. Enter the password to proceed.
+Output:
+[sudo] password for username:
+If your user is in the proper group and you entered the password correctly, the command that you issued with sudo should run with root privileges.
+https://www.digitalocean.com/community/tutorials/how-to-create-a-sudo-user-on-centos-quickstart

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