Open and Safe: Securing Linux in the Library Public

This paper describes the basic procedures for securing the Linux desktop in a library environment. As such it focuses more on fundamental procedures rather than advanced ones covering server applications. It begins with a description of local or physical security, namely the BIOS and the boot loader, both of which have a direct bearing on the stability of the Linux kernel. From there it progresses on to describing procedures for locking down access to the operating system from the console. Next, it describes the importance of configuring services to ensure network security. Finally, it concludes with steps to take to lock down the X Window System. Although the topics covered are centered on the Red Hat, CentOS, and Fedora Linux distributions and their derivatives, they also apply to others like Debian, Ubuntu, Gentoo, or OpenSUSE. However, the procedures, specific file names, and locations will vary among the various distributions.

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