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Should you dump Unix for Linux?
The need for modernization and cost reduction, or a change in leadership, may mean migration away from your existing Unix platform. If your company is the type to scale horizontally and you're unco...
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Ajax everywhere: Which framework to choose?
Writing and debugging Ajax, a JavaScript- and XML-driven development technique, can be difficult. In this tip, an expert introduces several frameworks like Prototype and Scriptaculous, to ease prog...
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Check out IBM POWER5, Linux and virtualization
If you're not ready to give up Unix completely, consider using IBM's POWER5 architecture, which supports Linux and Unix.
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Sybase ASE 15 diagram
Sybase expert Mich Talebzadeh has created a diagram of Sybase ASE 15's architecture for those who need a quick reference.
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OSSEC: The server and agent model
Get the benefit of regular alerts and status reports from configuring open source IDS/IPS OSSEC to run as a server and agent model.
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Host intrusion detection with OSSEC
Keep your corporate network secure with open source OSSEC, an intrusion detection and prevention services tool that provides host agent and file integrity agent capabilities on Windows and Linux. I...
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Nmap and the open source debate
Nmap -- a mature, open source network mapping and exploration tool -- could win over companies resistant to open source software, says IT consultant Michael Cobb in this tip.
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Linux on 64-bit blades: Choosing the right servers and
Mix Linux and 64-bit blades well, and you'll get super performance, stability and flexibility, says consultant Patrick Green. Here, he offers tips on how to avoid compatibility mishaps.
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Sybase ASE: Performance benefits of DPL and DRL
Take advantage of data page locking (DPL) and data row locking (DRL), two categories of data only locked (DOL) tables in Sybase ASE. These functions offer improved table scans, decreased logical I/...
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IP addressing and subnetting: What network administrato
David Davis follows up his tip on binary-to-decimal conversions with a practical, in-depth look at IP addressing and subnetting. He discusses how IP addresses work, subnet masks, classful vs. class...
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PostgreSQL vs. SQL Server, Oracle: Enterprise-ready and
Why pay licensing costs and maintenance fees for proprietary databases when you can get open source RDBMS PostgreSQL for free? Discover the drawbacks and advantages to using PostgreSQL over Oracle ...
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Open source databases place pressure on Oracle, SQL Ser
Open source RDBMS PostgreSQL is making its way into business' software portfolios. Find out where PostgreSQL is best put to use and why businesses prefer a big name product.
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Bringing data into OpenOffice 2.0's database
Getting data into OpenOffice Base isn't an intuitive process, but it is an easy one, says expert Solveig Haugland. Learn how to format data for Base, create a database for that data and bring it in...
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Learning Center: Handy OS tools, apps
Learning Center: Handy OS tools, apps
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Linux or Unix: Making the right decision
If Windows no longer meets your needs, you may want to try a more scalable, reliable and higher performing environment. In this tip, an expert evaluates the merits and disadvantages of Linux and Unix.
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Touring RHEL 5 Beta 1: New features make upgrades tempt
IT administrator and Linux veteran Curtis Smith conducts a tour of the new RHEL 5 Beta 1, unveiling improvements in scalability, performance and more.
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Clearing enterprise Linux desktop adoption hurdles, par
Frank van Wensveen helps users begin their desktop migration away from Windows. In the second half of this two-part series, he lists open source counterparts to proprietary software and suggests st...
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Clearing enterprise Linux desktop migration hurdles, Pa
Frank van Wensveen helps users begin their desktop migration away from Windows. In the first part of this series, he describes different user demographics and the criteria for determining whether t...
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Avoiding security blunders in Linux and IT infrastructu
Avoid common security errors made in IT infrastructure and maintenance. In part two, an expert describes mistakes resulting from the "set-it-and-forget-it" mentality.
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Avoiding security blunders in Linux and IT infrastructu
Avoid common security errors made in IT infrastructure and maintenance. In this tip, an expert tackles unnecessary installations and explains the "hard-perimeter, soft-center" approach.
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Optimize system performance with Linux cgroups
The Linux cgroups feature lets you make a profile to manage resources to keep your system under control.
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Correct a GRUB error in short order
A GRUB error will stop a Linux server cold, but following these steps should get you back on track.
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Setting up a mirrored Linux DRBD configuration
Administrators can use the distributed replicated block device (DRBD) in Linux to set up basic data redundancy to connect the storage of multiple servers.
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Tune the Linux Ext4 file system for optimal performance
While Ext4 by default works fine for most people, follow these tips to tweak your servers to squeeze out even more speed.