Here’s just a few articles from Unix Tutorial: Use visudo to check sudo config syntax: you can and should be double-checking any changes made to /etc/sudoers and its include files, because they may be the only way for you to become a superuser. sudo command – just the basics of using sudo How to use […]
Book Review: Linux iptables Pocket Reference
Linux iptables Pocket Reference is a really great little book, and although it’s been written a good few years ago, most of the explanations still apply. iptables is a great way to manage all your needs running a Linux-based gateway server: filtering and connection blocking (firewall), proxying, packet forwarding or one of the network address […]