- Lab
-
Libraries: If you want this lab, consider one of these libraries.
- Cloud
- Security

Working With AppArmor Profiles
In this lab, we will be working with AppArmor profiles. We will edit an existing AppArmor profile as well as create a new profile.

Lab Info
Table of Contents
-
Challenge
Change the dhclient AppArmor profile to complain mode.
Note: Please wait about 6 minutes to allow the server to finish provisioning before connecting via ssh.
-
In order to make changes to AppArmor profiles, first we must install the apparmor-utils package with the following command:
sudo apt-get install -y apparmor-utils
-
In order to change the dhclient AppArmor profile to complain mode, run the following command:
sudo aa-complain /sbin/dhclient
-
Lastly, we must restart the AppArmor service for the changes to take effect:
sudo systemctl reload apparmor.service
-
-
Challenge
Create a new AppArmor profile for Xtightvnc and set its profile to complain mode.
-
To create a new AppArmor profile for Xtightvnc, run the following command:
sudo aa-genprof Xtightvnc
Then, press F to finish creating the profile.
-
Next, set the new Xtightvnc AppArmor profile to complain mode:
sudo aa-complain /usr/bin/Xtightvnc
-
Lastly, we need to restart the AppArmor service for the changes to take effect:
sudo systemctl reload apparmor.service
-
About the author
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
All labs have detailed instructions and objectives, guiding you through the learning process and ensuring you understand every step.
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.