Linux User Setup with Non-Interactive Shell

🔐 What is a Non-Interactive Shell?

A non-interactive shell is used to create a user account without login access.

This is commonly used for:

Such users cannot log in via SSH or access the system shell.

🚫 Common Non-Interactive Shell Paths

Depending on the Linux distribution, you can use:

These shells prevent interactive login.

🖥️ Entering the Server (SSH Access)

To connect to a Linux server:

ssh {user}@{ip-address}

Example:

ssh james@172.16.238.11

👤 Creating a User with Non-Interactive Shell

To add a user without login access:

sudo useradd -s /sbin/nologin {username}

Example:

sudo useradd -s /sbin/nologin appuser

This will:

🔍 Verify the User’s Shell

You can check the assigned shell using:

cat /etc/passwd | grep appuser

Output example:

appuser:x:1002:1002::/home/appuser:/sbin/nologin

🎯 Best Practice