Securing your linux by installing Rkhunter
What Is Rkhunter?
Rkhunter (Rootkit Hunter) is an open source Unix/Linux based scanner tool for Linux systems released under GPL that scans backdoors, rootkits and local exploits on your systems.
It scans hidden files, wrong permissions set on binaries, suspicious strings in kernel etc. To know more about Rkhunter and its features visit rootkit.nl
While it might not deter a sophisticated attacker, it will most definitely help you identify your own mistakes.
Example installation steps for Linux Mint / Ubuntu is provided below.
Here is the source :