Rkhunter is a helpful tool that is compiled on UNIX platform to identify rootkits on a Linux system. It will also identify backdoor and scans hidden files on server.
You can follow the steps mentioned below for installing and configuring Rkhunter on your server.
Use Wget command to download it on your systems:
cd /usr/local/src wget http://sourceforge.net/projects/rkhunter/files/rkhunter/1.4.2/rkhunter-1.4.2.tar.gz
Once the latest version is downloaded , run the following commands as a root user to install it.
tar xzvf rkhunter*
Once the process is completed, get into the Rkhunter-1.4.2 folder using below command:
Now install Rkhunter using the following command:
Once the installation done update the Rkhunter by running the following command:
/usr/local/bin/rkhunter --update /usr/local/bin/rkhunter --propupd
you can run Rkhunter using the command:
You can check the results into log file generated under /var/log/rkhunter.log
For more details and options you can check the following command: