Mastering Linux Security and Hardening - Second Edition

Hands-on lab – installing Logwatch

To deliver its messages, Logwatch requires that the machine also has a running mail server daemon. Depending on the options you chose when installing the operating system, you might or might not already have the Postfix mail server installed. When Postfix is set up as a local server, it will deliver system messages to the root user's local account. 

To view the Logwatch summaries on the local machine, you'll also need to install a text-mode mail reader, such as mutt.

For this lab, you can use any of your VMs:

1. Install Logwatch, mutt, and, if necessary, Postfix. (On Ubuntu, choose the local option when installing Postfix. With CentOS, the local option is already the default.) For Ubuntu, use the following: ...