Rkhunter Installation


Rkhunter
Rkhunter is a very useful tool that is used to check for trojans, rootkits, and other security problems. This tutorial will touch on installing and setting up a daily report for rkhunter.

Installation

– Login to your server as root. (SSH)

– Download the Rkhunter.
# wget http://downloads.rootkit.nl/rkhunter-1.2.7.tar.gz

– Unpack the chkrootkit you just downloaded.
# tar -zxvf rkhunter-1.2.7.tar.gz

– Change to new directory
# cd rkhunter-1.2.7

– Install it
# ./installer.sh

Now you can run a test scan with the following command:

# /usr/local/bin/rkhunter -c

How to setup a daily scan report?

# vi /etc/cron.daily/rkhunter.sh

– add the following replacing your email address:

=====================================================
#!/bin/bash
(/usr/local/bin/rkhunter -c –cronjob 2>&1 | mail -s “Daily Rkhunter Scan Report” email@domain.com)
=====================================================

# chmod +x /etc/cron.daily/rkhunter.sh

OR

Set Cron as below :

– Load crontab
# crontab -e

Add this line to the top:
=====================================================
0 1 * * * (/usr/local/bin/rkhunter -c 2>&1 | mail -s “Daily Rkhunter Scan Report” email@domain.com)
=====================================================

Note: Replace email@domain.com with your email address.
Save and exit.

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