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Linux management and configuration

Puppet (configuration management)

Puppet is an open source systems management tool for centralizing and automating configuration management.
Optimize system performance with Linux cgroups

The Linux cgroups feature lets you make a profile to manage resources to keep your system under control.
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.
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.

Linux management and configuration

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Advanced Intrusion Detection Environment vs. Tripwire

What is the difference between Advanced Intrusion Detection Environment and Tripwire? Ask the Expert
Dialup modem updates

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PFsense for firewalling

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Linux drivers for Lexmark printer/scanners

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Protecting your wireless network

Security expert James Turnbull explains the principles of wireless security. Ask the Expert
CIPE vs. IPsec

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Running IE under WINE

An expert recommends running WINE if you really need an IE emulator. Ask the Expert
Getting Fedora Core working on a laptop

A desktop expert recommends buying a laptop pre-loaded with Linux rather than messing around with device drivers. Ask the Expert
OpenDocument for archiving

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Creating an OSS/proprietary stack

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