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Each year, TechTarget hosts and partners with a number of expert events across the country around key cloud, virtualization, mobility and data center strategies and technologies.

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  • Red Hat Summit and JBoss World 2012

    Learn, network, and experience open source at the 2012 Red Hat Summit and JBoss World on June 26-29, 2012 in Boston, MA. Hear from customers, partners, and innovators who are transforming the way we all meet tomorrow's demands with today's investments. Learn more at today.

  • Download Technology Priorities for 2012

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  • Erin Watkins

    Erin Watkins is the assistant site editor for and


Browse Enterprise Linux Topics

Enterprise Linux applications and databases

Linux computing is entrenched in many organizations' data centers, and this section on applications and databases for Enterprise Linux helps your select, install, configure and manage elements within the LAMP stack (Linux OS, Apache Web server, MySQL database and Perl, Python and PHP languages) in your Linux architecture and helps you select Linux database tools and Linux application tools to improve performance and management of your open source applications. We also cover such topics as managing Active Directory with Linux, configuring an Apache Server, using commercial applications securing Apache servers, performance tuning, open source database development, MySQL performance tuning, using tools such as Perl and Python for your Linux architecture and more. Determining which enterprise Linux applications and databases best suit your environment requires research on the most appropriate Web and application servers and an understanding of specifications for your enterprise applications. Find the best tips, advice and news on open source databases, open source Web servers and Enterprise Linux applications and databases.

Recent Definitions

  • Perl

    Perl is a family of script programming languages that are similar in syntax to the C language, including Perl 5 and Perl 6.

  • Yet another Setup Tool (YaST)

    YaST handles much of the administration load, offers a simple graphical interface and sets up setting system parameters easily.

  • forking (software fork)

    Forking is to take the source code from an open source software program and develop an entirely new program.


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Linux administration issues

Administering your Linux environment requires understanding how to manage system resources, use Linux commands and tools, deal with interoperability problems, and pay attention to licensing. Helpful tips that Linux administrator need to know are at your fingertips including Linux monitoring and troubleshooting tips, Linux commands tips featuring the most popular and more obscure commands, introduction to Linux administration tips, Linux system configuration how-to's, and more.

Recent Definitions

  • Puppet (Puppet Labs)

    Puppet is an open source systems management tool for centralizing and automating configuration management. Administrators can encode the configuration of a service as a policy, which Puppet then monitors and enforces.

  • Linux operating system

    Linux is a Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices.

  • FirewallD

    FirewallD, also known as Dynamic Firewall, replaces Fedora's old firewall tool, iptables, and allows for easier configuration and interface.


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Linux in the data center

Using Linux in the data center includes hardware, backup and storage, networking, and virtualization. Knowing what tools are available to Linux systems can help you design an efficient data center to meet the needs of your enterprise. Here you will find information on compatible hardware for the servers in a standard data center and in high availability or supercomputer clusters, along with open source networking, storage, cloud computing, and virtualization options that are compatible with Linux operating systems. Learn about the latest hypervisor updates, networking tools, and backup software designed for Linux. Get tips on using Xen, KVM, and OpenVZ with your Linux distribution, and find out what's new in each of these hypervisors. Find out what the distributions are providing for cloud computing capabilities, how to use cloud services in your Linux data center, and discover latest news on supercomputing on Linux, including cluster, grid, and mainframe computing on Linux.

Recent Definitions

  • Docker

    Docker is an open source software platform to create, deploy and manage virtualized application containers on a common operating system (OS), with an ecosystem of allied tools.

  • Nagios

    Nagios is an open source monitoring system for computer systems. It was designed with core components to run on the Linux operating system and can monitor devices running Linux, Windows and Unix OSes.

  • embedded system

    An embedded system is some combination of computer hardware and software, either fixed in capability or programmable, that is designed for a specific function or for specific functions within a larger system.


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Linux migration

If your IT shop has considered a Linux migration, this section is for you. Here we discuss the processes, pros and cons and return on investment (ROI) of migrating to Linux, whether you're investigating a Windows-to-Linux migration, a Unix-to-Linux migration or even a migration from SUSE Linux to Red Hat Enterprise Linux or Ubuntu. This section covers all aspects of Linux migration, from choosing a Linux platform to the process of migrating to Linux to the Linux migration tools you should consider to strategic questions about whether migrating to a Linux distribution can augment your virtualization environment or cloud computing architecture to the best Linux distributions for your data center architecture. We explore the various benefits and tradeoffs of Linux migration, including reducing licensing costs, reducing hardware costs, improving IT security with Linux operating systems as well as considerations for installing Linux, configuring Linux and managing Linux once you migrate from another operating system to a Linux distro.We also address specific migration questions, such as selecting Linux server hardware, porting applications to Linux, application integration for Linux, hardware drivers for Linux, using the Linux command line, Linux server support, how to configure Linux, managing Linux distributions and more. This section is your go-to resource for Linux help and Linux migration, helps you choose the best operating system for your environment and offers the best advice on Linux migration tools and best practices to make a migration to Linux more seamless and a cost-effective, well-managed move for your company.

Recent Definitions

  • Linux operating system

    Linux is a Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices.

  • Unix

    Unix (often spelled "UNIX," especially as an official trademark) is an operating system that originated at Bell Labs in 1969 as an interactive time-sharing system.

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Linux security

Understanding Linux security threats and risk, the complexities of Linux security tools and best security practices for your Linux environment will keep your Linux systems secure and your data private. Find out the best tips, expert advice and news on how to resolve common Linux security issues, flaws and vulnerabilities. This topic also covers phishing prevention, application security, denial-of-service attacks, kernel vulnerabilities, Linux security administration, malicious code, Linux crashes, choosing the most secure Linux distribution, Bastille Linux and assorted Linux security tool.

Recent Definitions

  • TailsOS

    TailsOS is a LiveDistro-based operating system that is configured to run from removable storage and to leave no information stored on the computer after the user’s session. A LiveDistro is a distribution of an operating system on some bootable storage medium. The operating system and associated applications run from the storage device.

  • OpenSSL

    OpenSSL is a general purpose cryptography library that provides an open source implementation of the SSL and TLS protocols. 


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Linux server distributions

By understanding the pros and cons of the various Linux server distributions, you can choose the best Linux distro suited to your system specifications and needs. Whether your choice of Linux operating system is Red Hat Enterprise Linux, Novell SUSE Enterprise Linux Server, or Ubuntu Server or if you've yet to install Linux and are comparing Linux distributions, this section on Linux distros is geared toward your questions on Linux server administration, Linux management, Linux patches and updates, Linux support as well as Linux basics and how-tos for all Linux OSes. This section also covers considerations for Linux migration, performance considerations with various Linux distributions, cost comparisons among Linux distribution options and more. In this section on Linux server distros, get news tips and advice on the best Linux operating system for your data center environment, including Red Hat, Novell's SUSE, Oracle, Ubuntu and noncommercial Linux distributions.

Recent Definitions

  • Linux operating system

    Linux is a Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices.

  • operating system (OS)

    An operating system (sometimes abbreviated as "OS") is the program that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer.

  • runlevel

    A runlevel is a Linux operating state that determines which programs can execute when the operating system restarts.


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  • internal audit (IA)

    An internal audit (IA) is an organizational initiative to monitor and analyze its own business operations in order to determine ...

  • pure risk (absolute risk)

    Pure risk, also called absolute risk, is a category of threat that is beyond human control and has only one possible outcome if ...

  • risk assessment

    Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.


  • computer exploit

    A computer exploit, or exploit, is an attack on a computer system, especially one that takes advantage of a particular ...

  • cyberwarfare

    Cyberwarfare is computer- or network-based conflict involving politically motivated attacks by a nation-state on another ...

  • insider threat

    Insider threat is a generic term for a threat to an organization's security or data that comes from within.



  • business continuity and disaster recovery (BCDR)

    Business continuity and disaster recovery (BCDR) are closely related practices that describe an organization's preparation for ...

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...


  • OpenStack Block Storage (Cinder)

    OpenStack Block Storage (Cinder) is open source software designed to create and manage a service that provides persistent data ...

  • SATA Express (SATAe)

    SATA Express (SATAe or Serial ATA Express) is a bus interface to connect storage devices to a computer motherboard, supporting ...

  • DIMM (dual in-line memory module)

    A DIMM (dual in-line memory module) is the standard memory card used in servers and PCs.


  • hybrid flash array

    A hybrid flash array is a solid-state storage system that contains a mix of flash memory drives and hard disk drives.

  • 3D XPoint

    3D XPoint is memory storage technology jointly developed by Intel and Micron Technology Inc.

  • RRAM or ReRAM (resistive RAM)

    RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a ...


  • Google Cloud Storage

    Google Cloud Storage is an enterprise public cloud storage platform that can house large unstructured data sets.

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...