Email Alerts
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Talking with the expert: Take 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. Feature
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Configuring Linux management tasks: Integration and security
In this Q&A, see how an administrator can best approach Linux management, including learning the importance of integration and top security methods, commands and functions. Q&A
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The top 10 Linux tips of 2010
The top Linux tips of 2010, based on SearchEnterpriseLinux.com reader data, include five Bash secrets for Linux and getting started with Clonezilla for Linux server disk cloning. Year in Review
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Enterprise Linux learning guide library
This Enterprise Linux learning guide library features expert information on all things Linux and open source, including getting started with Linux and Windows/Linux interoperability. Library
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A collection of the top Linux command tips
This collection of expert advice compiles the top Linux command tips from SearchEnterpriseLinux.com based on user data, including how to use grep and sed, netstat, and more. Guide
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How well do you know Linux commands and tools?
How well do you know Linux? Network and systems administrators can test their understanding of Linux commands and configuration utilities with this quiz. Quiz
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Linux command line tools: The top 50
The most popular and useful Linux command utilities and programs, like sudo, chmod, exec, rpm, to name a few. Learning Guide
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Red Hat and SUSE Linux how-tos
Here are tips, tricks, expert advice and information for installation, administration and configuration of Red Hat Enterprise Linux and SUSE Linux distributions. Fast Guide
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Linux and Unix: Integration and interoperability tips
Is your company using both Unix and Linux, or is it joining those who are switching to Linux? Either way, this Linux/Unix links library has tips for you. Fast Guide
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IT professionals' learning center
Check out our most popular chapter downloads that cover Linux security, virtualization and more. Then, take a look at what the authors have to say. Chapter Download Library
- See more Essential Knowledge on Introduction to Linux system administration
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A look at Linux in the recession: Linux 2009 year in review
How did Linux and open source fare in 2009? A review of the news stories in the enterprise Linux market during the economic downturn shows that Linux's strengths aided its success -- with new OS version launches, interoperability agreements, new prod... Article | 14 Dec 2009
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Linux jobs outpacing Windows; virtualization is 'hot'
Linux jobs rank third in Dice.com job posting but demand is growing, unlike Windows. Virtualization is the most sought-after additional skill. Article | 02 Nov 2009
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Open source for America launched
In conjunction with the O'Reilly Open Source Conference, more than 70 public and private organizations and individuals joined to announce the formation of Open Source for America, an organization that will serve as a unified voice to promote the use ... News | 22 Jul 2009
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OpenSolaris 2008.11 update woos Linux users
Sun's OpenSolaris 2008.11 update seeks to lure Linux users back with Linux-like commands and simpler tools. Article | 15 Dec 2008
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Linux Certification Passport author outlines exam strategy
How can you best prepare for the Linux+ certification exam? Certification authority and Linux Certification Passport author Michael Jang discusses a strategy for success. Interview | 23 Jun 2008
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Microsoft shop seeks help with multiplying Linux boxes
When the number of Linux servers became too much for the University of Maryland's Windows-centric administrators , the IT department turned to Centeris and Active Directory. Article | 03 Oct 2007
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Red Hat Enterprise 5, with Xen, launches
After a slight delay, Red Hat Enterprise Linux 5 launched with full Xen virtualization support. Article | 14 Mar 2007
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Open source stacks move into critical operations
IT managers must understand the changing dynamic of open source software stacks if they hope to benefit from flexibility and vendor independence down the road, says analyst Raven Zachary. Article | 12 Sep 2006
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University moves toward open source despite some resistance
The University of Southern Florida's health sciences department has been a roller coaster ride of Linux and Windows, but system administrator John Scott has managed to convert the health services center into a beacon of openness in an otherwise pro-W... Article | 01 Jun 2006
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CEO counts 50 top business apps for open source, part 1
Enterprise-ready apps are no longer a scarce resource. Just take a look at this top 50 apps list, courtesy of Dave Uhlman, CEO of Uversa. Article | 02 May 2006
- See more News on 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. Tip
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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. Tip
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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. Tip
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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. Tip
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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... Tip
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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. Tip
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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. Tip
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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... Tip
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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. Tip
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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. Tip
- See more Tips on Introduction to Linux system administration
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Migrating infrastructure from Unix to Linux
Unix-to-Linux migration expert Ken Milberg describes how virtualization, support, clustering and more fit into the migration of an IT infrastructure to Unix. Ask the Expert
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Ubuntu servers: Getting started
Ubuntu Linux expert Andrew Kutz gives some helpful advice about getting started with Ubuntu Linux on the server. Ask the Expert
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Pre-loaded Linux = Increased adoption?
A user asks whether pre-loading Linux will mean an increase in adoption or will users stick with the familiar Windows operating system. Ask the Expert
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Logging commands as su user
Ken Milberg recommends using Sudosh, an RPM with the ability to play back enter sessions of commands from logins as su user. Ask the Expert
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Testing live Linux CDs
An expert recommends getting started with a Knoppix live CD and experimenting with two other distributions. Ask the Expert
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Pre-loaded Linux PCs
An open source strategies expert tackles the issue of Linux on pre-loaded Linux PCs. Ask the Expert
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Booting with a Linux Installer
An expert describes how to boot with a Linux Installer. Ask the Expert
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Migration training/support costs
An expert warns that migrating to a Linux desktop isn't the hard part; power users are the ones who need to watch out. Ask the Expert
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Upgrading LAMP stack
Ask the Expert
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Shadow modules with PAM
Ask the Expert
- See more Expert Advice on Introduction to Linux system administration
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Slackware
Slackware is the earliest distribution of the Linux operating system that is still being developed... (Continued) Definition
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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. Definition
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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. Definition
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software package
A software package is an assemblage of files and information about those files. Definition
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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. Definition
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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... Definition
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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...) Definition
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LiveDistro
A LiveDistro is a distribution of an operating system on some bootable storage medium... (Continued) Definition
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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... Definition
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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) Definition
- See more Definitions on Introduction to Linux system administration
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Talking with the expert: Take 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. Feature
-
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. Tip
-
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. Tip
-
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. Tip
-
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. Tip
-
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... Tip
-
Configuring Linux management tasks: Integration and security
In this Q&A, see how an administrator can best approach Linux management, including learning the importance of integration and top security methods, commands and functions. Q&A
-
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. Tip
-
The top 10 Linux tips of 2010
The top Linux tips of 2010, based on SearchEnterpriseLinux.com reader data, include five Bash secrets for Linux and getting started with Clonezilla for Linux server disk cloning. Year in Review
-
Enterprise Linux learning guide library
This Enterprise Linux learning guide library features expert information on all things Linux and open source, including getting started with Linux and Windows/Linux interoperability. Library
- See more All 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.