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Create user and give sudo permissions in CentOS 7

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In the sudo su user, run the following commands: - Create a user: adduser username - Set a password: passwd username - Change file permissions to be editable: chmod -v u+w /etc/sudoers - Open the file editor: vim /etc/sudoers - Modify the file content to include: - Existing line: root ALL=(ALL) ALL - New line: username ALL=(ALL) ALL - Change file permissions to be read-only: chmod -v u-w /etc/sudoers

Run the following commands under the sudo su user:

  1. Create a user:
adduser username
  1. Set a password:
passwd username
  1. Change the file permissions to allow editing:
chmod -v u+w /etc/sudoers
  1. Enter the file editor:
vim /etc/sudoers
  1. The file content should be changed as follows:
root ALL=(ALL) ALL Existing line
username ALL=(ALL) ALL New line
  1. Change the file permissions to read-only:
chmod -v u-w /etc/sudoers
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