- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Core Tech
Linux+ Troubleshooting: Troubleshoot User Access
In this lab, and will gain practical experience configuring quotas on the Linux file system, you will see how to install software for using quotas. You will also learn how to set up quota limits for users. Additionally, you will diagnose and troubleshoot login issues. Finally, you will enhance the security of user passwords on Ubuntu systems by implementing a password complexity policy.
Lab Info
Table of Contents
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Challenge
Get Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
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Challenge
Learn About Quota Installation and Add Kernel Modules
To start this lab, you will learn how to install quota tools and the quota kernel module, you will confirm the installation, and add two modules.
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Challenge
Set Quota Limits for Users
You will first activate the quota on the root filesystem and remount it with quota-related options. Then, you will create a quota limit for the user named ubuntu with a soft limit of 50M and a hard limit of 55M.
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Challenge
Determine a User Quota
In this challenge, you will verify the user quota for the ubuntu user. Then, you will attempt to create a file that exceeds the quota.
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Challenge
Diagnose Login Issues
Your goal is to diagnose a login issue for user u1. Begin by trying to log in with user u1, and then troubleshoot to identify the potential cause of the problem.
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Challenge
Implement a Password Complexity Policy
To finish this lab, you will enhance the security of user passwords by implementing a password complexity policy. The policy should require passwords to have a minimum length of eight characters, and include a combination of uppercase letters, lowercase letters, numeric characters, and special characters.
Real skill practice before real-world application
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
Learn by doing
Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.
Follow your guide
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Turn time into mastery
On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.