Useradd

Add user using Ansible

  - user:
      name: YOUR_USER_NAME
      shell: /bin/bash
      groups: sudo
      append: yes
      password_lock: yes

Add user using bash

Example creating a user in Ubuntu with bash shell, ~/.ssh directory and part of group sudo using useradd command:

#!/bin/bash
USERNAME="Your_user_name"

# Create user and add to sudo group
  useradd  --create-home -s /bin/bash $USERNAME
  sudo usermod -aG sudo $USERNAME

#Create ssh directory and lock password login
  mkdir /home/$USERNAME /home/$USERNAME/.ssh
  chown $USERNAME.$USERNAME /home/$USERNAME /home/$USERNAME/.ssh 
  passwd -l $USERNAME 

passwd -l $USERNAME // for disabling password login

passwd -u $USERNAME // will unlock account if needed

passwd -u $USERNAME
passwd: password expiry information changed.

After creating user you can copy ssh key using ssh-copy-id and modifying sudo for giving new user privileges.

useradd command.

-m --create-home

-s --shell

You can also consider activating passwordless sudo for your accounts.

See also

• macOS: sysadminctl
• sudo
• OpenSSH
• Ansible: DevOps/Ansible/User ssh access
• userdel
• usermod
• groups or id commands to list groups of a user. sudo usermod -a -G root USERNAME
• chmod

http://man7.org/linux/man-pages/man8/useradd.8.html

http://man7.org/linux/man-pages/man8/useradd.8.html