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  • Guide to the Linux security toolbox

    Linux security software and tools are always changing. Learn which ones to use for your open source system and how to configure them according to your needs in this newly updated guide.

  • Patching running Linux kernels on servers with no reboot using Ksplice Uptrack

    Ksplice Uptrack keeps Linux servers up-to-date with recent kernel security patches without rebooting, saving time and reducing down-time for mission critical production servers. Learn how the tool works and hear about a Linux-based hosting provider that is using the service.

  • Getting started with OpenVAS

    OpenVAS is an open source network security scanner, and version 3.0.0 has useful features for your Linux system. Learn how to install and set-up OpenVAS in your data center from source on a Linux server.

  • Using BackTrack to check for Linux vulnerabilities

    Through common security methodologies and a full array of security testing tools, BackTrack identifies and exposes flaws within your Linux systems.

  • An open source security language: What is OVAL?

    OVAL is a standardized security langauge that will help IT security professionals determine security vulnerabilities in a consistent manner across systems. With a unified language, a definition can be written by the maintainers and by using an assesment tool, the security community can quickly determine which systems are vulnerable.

  • What do you know about Linux administration tools?

    How well do you know Linux tools? Test your understanding of tools for application servers, networking, scripting, Mozilla, security, management and administration, and desktops.

  • Using OpenSSH for secure network tunnels on Linux

    SSH is secure enough to be used across nonsecure private and public Internets. Learn the basics of SSH execution and how to implement and optimize SSH tunnels with Linux. SSH tunneling features allow remote traffic to be sent through the tunnel, expanding the security of the traffic network.

  • When to use SELinux: An introduction to security-enhanced Linux

    Confused about security-enhanced Linux (SELinux)? Find out what it is and how and where to implement this Linux security system. Ken Milberg explains its origins and provides some good advice for implementing the system in your Linux distribution including a few words of warning for the wise.

  • After delay, Fedora 10 finally available

    After being waylaid a month because of a security breach, Fedora 10 includes features for remote management of servers, storage in the cloud, energy saving and more.

  • Linux open source firewall software options

    Ken Milberg overviews open source firewall software options for Linux that leverage netfilter/iptables. FireHol, Shorewall, Untangle, and FireStarter are examined. Ken advises carefully considering these options, demoing them, and determining which option is best for your IT setting.

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