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Troubleshoot an Issue with the Pluggable Authentication Module

The Pluggable Authentication Module (PAM) provides low-level authentication integration for other applications and services, such as Samba. When these services break in a way that interrupts our ability to authenticate, we should know how to discover the source of the issue and recover efficiently. In this lab, we troubleshoot a broken Samba installation upon discovering we cannot log in as the `cloud_user`. _This lab is not approved or sponsored by Red Hat._

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 15m
Last updated
Clock icon Sep 01, 2025

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Table of Contents

  1. Challenge

    Reproduce the Issue

    Attempt to access Samba as the cloud_user.

  2. Challenge

    Discover the Source of the Error

    Review logs and verify package integrity to discover the source of the issue.

  3. Challenge

    Resolve the Issue

    Resolve the issue by recovering a working Samba PAM configuration.

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