Tripwire is a popular Linux Intrusion Detection System (IDS) that runs on systems in order to detect if unauthorized filesystem changes occurred over time.
In CentOS and RHEL distributions, tripwire is not a part of official repositories. However, the tripwire package can be installed via Epel repositories.
To begin, first install Epel repositories in CentOS and RHEL system, by issuing the below command.
After you’ve installed Epel repositories, make sure you update the system with the following command.
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