Lab
A Cloud Guru

Disk Encryption with eCryptfs

Disk and filesystem encryption are important security measures for working with sensitive data. The eCryptfs software package provides data encryption at the filesystem level for targeted data encryption. A thorough understanding of how to create and work with encrypted disks and filesystems is required for advanced security certification exams such as the LPIC 303-200 exam.

Try for free Contact sales

Path Info

Level

Intermediate

Duration

30m

Published

Nov 05, 2018

Challenge

Install eCryptfs on the Provided System
1. Run the following command:
```
sudo apt-get install ecryptfs-utils
```
1. Accept the defaults at the prompts.
Challenge

Configure `/opt/protected` as an Encrypted Mount
1. Run the following command:
```
sudo mount -t ecryptfs /opt/protected /opt/protected
```
1. Type supersecret! at the passphrase prompt.
2. Accept all default options at the configuration prompts.
3. Answer "yes" to all prompts.
Challenge

Copy the Contents of `/etc/profile.d` into `/opt/protected`
1. Run the following command:
```
sudo cp /etc/profile.d/* /opt/protected/
```
Challenge

Re-encrypt `/opt/protected` and Verify that the Contents of the Directory Are Unreadable
1. Run the following command:
```
umount /opt/protected
```
1. Attempt to view the contents of one of the files in the /opt/protected directory using the cat command.

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.