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.

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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!

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