In this chapter, we will cover the following recipes:
Creating a user account
Creating user accounts in batch mode
Creating a group
Adding group members
Deleting a user account
Managing file permissions
Getting root privileges with sudo
Setting resource limits with limits.conf
Setting up public key authentication
Securing user accounts
Introduction
In this chapter, you will see how to add new users to the Ubuntu server, update existing users, and set permissions for users. You will get to know the default setting for new users and how to change them. Also, you will take a look at secure shell (SSH) access and securing user profiles.