Lab
A Cloud Guru

Installing and Configuring AIDE

In this lab, we will install the Advanced Intrusion Detection Environment (AIDE) and configure it to monitor directories and applications for changes. We will also set up a cron job to run a daily check using AIDE. *This course is not approved or sponsored by Red Hat.*

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Path Info

Level

Intermediate

Duration

30m

Published

May 17, 2019

Challenge

Install and configure AIDE
1. Install AIDE:
```
yum install -y aide
```
1. Initialize AIDE:
```
/usr/sbin/aide --init
```
1. Copy initialized database to production:
```
cp /var/lib/aide/aide.db.new.gz /var/lib/aide/aide.db.gz
```
Challenge

Configure AIDE to run every day at 1 AM
1. Create a cronjob to run aide --check at 1 AM daily:
```
nano /etc/crontab
```
```
0 1 * * * /usr/sbin/aide --check 
```
Challenge

Define directories and applications to monitor
1. Define directories to monitor:
```
nano /etc/aide.conf
```
```
/patient-data    DIR
/accounting     DIR
```
1. Add an application to monitor each time it's accessed:
```
nano /etc/aide.conf
```
```
APP_ACCESS = a
/applications/payroll   APP_ACCESS
```
Challenge

Update the AIDE database with new directory and application statuses
1. Update the AIDE database (because we made changes to the /etc/aide.conf file):
```
/usr/sbin/aide --update
```
```
cp /var/lib/aide/aide.db.new.gz /var/lib/aide/aide.db.gz
```

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.