• Taking control with the Linux command line

    Linux expert William E. Shotts Jr. wants more Linux users to discover the command line and tap the advanced functionality below the GUI.

  • Upgrading to Ubuntu Server 11.04

    Upgrading to Ubuntu Server 11.04 may not be necessary, as you may want to wait for the April 2012 release of Ubuntu 12.04 LTS. Learn about why to upgrade now, and how to do it.

  • Ten command line time-savers for Linux admins

    Quick command line navigation and execution is the key to easy Linux system administration. Learn these 10 command line tricks to increase your proficiency and speed in Bash or other Linux shells.

  • Mastering the Linux history command

    Learning how to take advantage of the Linux history command, as well as the Bash variant, can save Linux admins a lot of time. Discover how the command works, including shortcuts, searching and set...

Introduction to Linux system administration

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  • Upgrade decision: Ubuntu Server 11.04

    Upgrading to Ubuntu Server 11.04 may not be necessary, as you may want to wait for the April 2012 release of Ubuntu 12.04 LTS. Learn about why to upgrade now, and how to do it. 

  • Ten command line time-savers for Linux administrators

    Quick command line navigation and execution is the key to easy Linux system administration. Learn these 10 command line tricks to increase your proficiency and speed in Bash or other Linux shells. 

  • Mastering the Linux history command

    Learning how to take advantage of the Linux history command, as well as the Bash variant, can save Linux admins a lot of time. Discover how the command works, including shortcuts, searching and settings. 

  • Deciding when to use Linux file system barriers

    Linux file system barriers in Ext3 and Ext4 protect data written to the journal. Learn how these barriers work and in which use cases they are a benefit, and in which cases you should disable them on your Linux servers. 

  • Linux command line tricks: less, screen, pgrep HTTP servers and more

    Mastering the Linux command line can make a system administrator's job much easier. Learn these command line tricks including aliasing more to always be less, using pgrep, screen, tmux, and aspell as well as quickly creating an HTTP server for file s... 

  • Working with Linux file system attributes

    File system attributes can provide a valuable addition to the way you ensure security on your Linux server. Learn how to mount, list and change file system attributes in ext4. 

  • Training Unix staff to manage Linux environments

    In a migration from Unix to Linux, the staff need to be trained to manage the new Linux environment. Learn how the systems management of Linux differs from Unix and what your staff needs to know to handle the transition. 

  • Five things you didn't know Bash could do on Linux

    Bash offers a lot of tools to Linux admins, and it may take you years to get a handle on all the useful ones. Learn five lesser-known Bash scripts for your Linux systems including extended globbing, cdspell shell options, improved Bash history, inter... 

  • Using Clonezilla for simplified Linux server disk cloning

    Using the open source tool Clonezilla can save Linux administrators time when performing the common task of cloning Linux machines. Learn how the tool works and what options and configurations are supported and available. 

  • Fixing Linux I/O write performance problems

    Learn how to optimize your Linux server for I/O writes by adjusting I/O scheduler settings and journaling settings along with some advice about partition set-up. 

  • See more Tips on Introduction to Linux system administration
  • Slackware

    Slackware is the earliest distribution of the Linux operating system that is still being developed... (Continued) 

  • Yellowdog Updater, Modified (YUM)

    Yellowdog Update, Modified (YUM) is a program that manages installation, updates and removal for Red Hat package manager (RPM) systems. YUM allows the user to update groups of machines without having to update each RPM separately. 

  • package manager or package management system (PMS)

    A package manager, also known as a package management system (PMS), is a program used to install, uninstall and manage software packages. 

  • software package

    A software package is an assemblage of files and information about those files. 

  • shareware

    Shareware is software that is distributed free on a trial basis with the understanding that the user may need or want to pay for it later. 

  • Hardy Heron (Ubuntu 8.04 LTS Server Edition)

    Hardy Heron is the code name for version 8.04 of Ubuntu, the open source Debian -based Linux distribution. Hardy Heron was released in April 2008 and succeeded Gutsy Gibbon. Hardy Heron is widely recognized as one of the most easy-to-use desktop Linu... 

  • Linux

    Linux is a Unix-like operating system that was designed to provide personal computer users a free or very low-cost operating system comparable to traditional and usually more expensive Unix systems. (Continued...) 

  • LiveDistro

    A LiveDistro is a distribution of an operating system on some bootable storage medium... (Continued) 

  • high-performance computing (HPC)

    High-performance computing (HPC) is the use of parallel processing for running advanced application programs efficiently, reliably and quickly. The term applies especially to systems that function above a teraflop or 1012 floating-point operations pe... 

  • open source beer

    Open source beer is beer whose recipe is published according to principles adapted from open source software. According to the licensing agreement, the recipe can be used and adapted by anyone... (Continued) 

  • See more Definitions on Introduction to Linux system administration
About Introduction to Linux system administration

Linux systems administrators need to maintain a range of skills, from installing a server and managing peak usage to securing the file system. The Linux command line is full of useful tools to complete such Linux administration and management tasks. If you're in the process of migrating from a Unix system to Linux, installing Linux on the mainframe, or being tasked with Linux administration in your data center, this is the resource you are looking for. Learn about Linux system administration in the enterprise with these tips, news and advice.