Step by step guide on setting file and folder permissions in linux. List of linux permissions.
A simple guide on how to change the default SSH port in Linux, Centos and Webmin to secure your server
A quick simple way of setting up a secure FTP server in webmin for all the Linux distros. And how to connect to your installed FTP server
How to setup CSF firewall in Linux to ignore process warnings that appear in the root email account. LFD Excessive resource warnings..