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Whether your Linux box has hundreds of users or just one account for you and one for your dog it is important to understand how Linux user accounts work. There are GUI tools for this within GNOME and ...

Linux offers more freedom than other operating systems, but you’ll need a bit of technical know-how to maximize its potential. If you’re interested in learning about the powerful and sleek operating ...

The ufw (uncomplicated firewall) represents a serious simplification to iptables and, in the years that it’s been available, has become the default firewall on systems such as Ubuntu and Debian. And, ...

SELinux, or Security-Enhanced Linux, represents a paradigm shift in Linux security by enforcing mandatory access controls (MAC) based on security policies. Unlike traditional discretionary access ...