Lab
A Cloud Guru

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.

Try for free Contact sales

Path Info

Level

Beginner

Duration

30m

Published

Apr 15, 2019

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.
1. 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
```
2. In order to change the dhclient AppArmor profile to complain mode, run the following command:
```
sudo aa-complain /sbin/dhclient
```
3. 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.
1. To create a new AppArmor profile for Xtightvnc, run the following command:
```
sudo aa-genprof Xtightvnc
```
  Then, press F to finish creating the profile.
2. Next, set the new Xtightvnc AppArmor profile to complain mode:
```
sudo aa-complain /usr/bin/Xtightvnc
```
3. Lastly, we need to restart the AppArmor service for the changes to take effect:
```
sudo systemctl reload apparmor.service
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

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.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.

Start learning by doing today

View Plans