In this recipe, we will look at some best practices to secure Ubuntu systems. Linux is considered to be a well secured operating system. It is quite easy to maintain the security and protect our systems from unauthorized access by following a few simple norms or rules.
You will need access to a root or account with
sudo privileges. These steps are intended for a new server setup. You can apply them selectively for the servers already in productions.
Follow these steps to discuss Ubuntu security best practices:
$ sudo apt-get ...