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Nagios: Balancing passive and active checks
The author of "Network monitoring with Nagios" suggests a workaround for balancing active and passive checks and explains the impact of service failures. Tip
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Table triggers vs. row triggers
A MySQL expert describes the difference between table triggers and row triggers and what MySQL will support. Ask the Expert
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Postgres slides in between Oracle, MySQL
As VoIP provider Vonage's customer base grew, so too did its databases. They didn't warrant more Oracle instances, but ran just fine on PostgresSQL-based EnterpriseDB. Article
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Chapter 5 of "The Definitive Guide to MySQL 5"
Chapter 5 of "The Definitive Guide to MySQL 5" describes installation and configuration of MySQL Administrator and using SQL commands in Query Browser. Tip
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Chapter 3 of "Deploying OpenLDAP"
Chapter 3 of "Deploying OpenLDAP" discusses the basics of environment setup and tools required to successfully run an OpenLDAP server Tip
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OpenOffice 2.0: Master page hacks make better spreadsheets
Don't waste time manually figuring out page numbers in OpenOffice. Use this master page hack to combine your spreadsheets, images and more into a readable, polished report. Tip
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Using the data pilot: OpenOffice.org Calc's answer to pivot tables
The data pilot, the OpenOffice equivalent to Excel pivot tables, is a useful feature that lets you apply functions and slice and dice data to see different parts of it in different ways. An expert demonstrates the basics of the data pilot, two filter... Tip
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File encryption with dm-crypt
Ask the Expert
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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. Tip
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Firms find open source way to save over HP OpenView
For one-tenth the cost of systems management software from Hewlett-Packard and the like, IT managers chose an outsourced solution based on the open source Nagios stack. Article