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Google to phase out Windows for Linux, Mac OSes
Rumor has it that Google is ditching Microsoft Windows for Linux and Mac OSes, citing security issues due to the Aurora attacks that targeted a flawed Internet Explorer version.News | Tue Jun 01 00:00:00 EDT 2010
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Common security flaws to check for on your Linux-based Web systems
Your Linux server may have Web application-related security vulnerabilities that should be checked out and repaired. These can include passwords, PHP code injection, weak file and directory permissions and outdated Apache and PHP versions. Learn what to look for and how to fix it.Tip
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One million Linux kernels booted by Sandia researchers using virtualization and HPC
Sandia researchers announced that they have booted one million Linux kernels using virtual machines. The project focus was to model botnets, but has other uses as well.News | Wed Aug 05 00:00:00 EDT 2009
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Using nmap for Linux administration and security
The open source tool nmap is ideal for network troubleshooting, scanning and auditing. The tool can be used to identify devices on the network as well as the services running on them. It can also identify advanced information, such as operating systems in use, name and version of services, and network filters and firewalls.Tip
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A look at real-world exploits of Linux security vulnerabilities
From unprotected NetBIOS shares, null sessions in Samba, to poorly configured FTP servers, your Linux system may be open and waiting for hackers. Learn how hackers can get into your Linux servers through these weaknesses and what you can do to secure your system.Tip
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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.Tip
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Red Hat Enterprise Linux 5.3 released
Red Hat Enterprise Linux 5.3 was released on January 20, with up-to-date security features and enhanced virtualization, OpenJDK, and Intel Nehalem processor support. RHEL 5 is more secure than RHEL 4, with the company issuing fewer advisories in version 5.2 than in 5.0 and 5.1.News | Thu Jan 22 00:00:00 EST 2009
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Open source growth dims LAMP stack to symbolic status
LAMP's status as the undisputed open source stack has dimmed to a largely symbolic role as the number of open source applications has expanded.Article | Sun Nov 16 00:00:00 EST 2008
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Automated tool at LinuxWorld reduces security risk
A Trusted Computer Solutions security tool helps protect Linux servers from attack. The tool will be featured at the 2008 LinuxWorld show.Article | Mon Aug 04 00:00:00 EDT 2008
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LinuxWorld preview: IBM engineer touts SELinux
SELinux has made strides in protecting systems from intrusion by unauthorized access but its lack of user-friendliness remains a weakness.Article | Sun Aug 03 00:00:00 EDT 2008
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Signing Linux RPM files using a Gnu Privacy Guard key
Signing Linux RPM packages assures users of the package that the RPM has not been tampered with. Learn how to create a Gnu Privacy Guard key and sign your RPM packages.Tip
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SELinux: A fast guide to the Linux kernel security tool
This handy guide to SELinux presents the best tips and advice on getting started with the Linux kernel security tool – from configuration to managing policies and access control.Fast Guide
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Red Hat Enterprise Linux security mechanisms: SELinux, iptables and more
When setting up Red Hat Enterprise Linux on your data center servers, you need to make security decisions. Learn about security options for RHEL including SELinux, iptables firewall, TCP Wrapper and application security use considerations.Tip
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Physical security threats to your Linux systems
Strong Linux network security can be meaningless if physical security is compromised. In this tip, a security expert outlines some common Linux physical security threats.Tip
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Linux security guide: Linux, open source security tools and tips
Start hardening your Linux servers with this guide to essential tools and applications for Linux security, including SELinux, Nagios, firewalls and more.Learning Guide
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Common Linux security policy management gaps
Linux security is commonly overlooked in IT security policies, especially when management is out of touch with what’s happening on the ground.Tip
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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.Fast Guide
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Finding password weaknesses in your Linux systems
Getting through the security of your Linux systems might be easier than you think. Prevent unauthorized access by searching out unexpected password weaknesses.Tip
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Using kickstart and understanding packages for RHEL 5.4 hardening
While wholesale installation of Red Hat is the easiest method, it is not the safest for an enterprise Linux server use. Using kickstart and understanding packages in RHEL 5.4 can save a Linux admin a lot of time later dealing with patches and will protect the system from multiple vulnerabilities.Tip
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Hardening Linux with Bastille UNIX
Ensure your security by hardening the Linux operating system with either Bastille UNIX or through manual hardening best practices.Tip
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Securing an Apache Web server with SELinux
Learn how to keep your Apache Web server secure by applying basic SELinux settings, including adjusting SELinux so Apache uses nondefault settings.Tip
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Red Hat Enterprise Linux tools digest
Many tools can help system administrators use Red Hat Enterprise Linux in their data centers and virtual machines securely with maximum performance. Learn which tools are available and how to use them in your RHEL environment.Digest
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SELinux: A fast guide to the Linux kernel security tool
This handy guide to SELinux presents the best tips and advice on getting started with the Linux kernel security tool – from configuration to managing policies and access control.Fast Guide
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SELinux tutorial: Commands and management
Learn some key commands in SELinux and some user and port management tools to get SELinux running on your Linux servers for a more secure environment.Tip
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SELinux tutorial: Configuring RHEL 5 and Web servers
Configuring SELinux on RHEL 5 is easy using the GUI options. Learn how to set up SELinux using simple menu options and Boolean conditions in this tutorial. Also see how easy it is to secure Web servers such as Apache using SELinux.Tip
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SELinux tutorial: Introduction to Linux kernel security
SELinux may seem too complex for some administrators who instead disable the useful Linux kernel security tool. Learn how SELinux works, including how subjects and objects work and security policy settings.Tip
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Open source Web content control options
Setting up Web filters to control the content employees and customers using your Linux network can access is an important part of securing your Linux system. Learn about some open source solutions for network and desktop Linux content control.Tip
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Creating an inventory with nmap network scanning
Nmap network scanning generates a full system inventory, but it's only usable with the right parameters and output format. Learn how to create an nmap inventory in this tip.Tip
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Kerberos authentication in RHEL: Easing Windows-Linux integration
Kerberos authentication for CIFS offers easier Windows-Linux integration. In this tip, learn how Kerberos authentication works and how to set it up in Red Hat Enterprise Linux.Tip
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Installing the ModSecurity Web application firewall on Red Hat Enterprise Linux
Learn how to set up the ModSecurity Web application firewall on Red Hat Enterprise Linux 5.4 and Apache Web server 2.2.x. This firewall monitors access to Web servers to ensure that requests are valid and not malicious.Tip
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