Using the auditd daemon

When we talk about securing a system, this it includes many procedures and auditing the system is one of them. The Linux system has a preinstalled tool named auditd, which is responsible for writing audit records on to the disk.

Getting ready

There are no specific requirements to use auditd on a Linux system.

How to do it...

In this section, we will see how to use auditd, for the purpose of auditing:

1. If the tool is not already installed on our Linux distribution, we can install it by running the following command:

apt-get install auditd

2. When the package is installed, it also installs a few other tools as part of the installation process. One of the tools installed is auditctl which helps in controlling the behavior of the software and also in adding rules.

3. We can check the version of the tool by running the following command:

4. When auditd is installed for the first time, it does not have any rules available yet. This can be checked by running the following command:

5. Now, let...