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Search and replace on steroids: Do more with sed

These tips can help administrators help themselves through advanced text editing with the UNIX Stream Editor (sed) utility.
Open source systems management: Hits and misses

Which open source systems management tools work for you? Some tools bring welcome automation to repeated tasks. But beware the shortcomings.
Creating an inventory with nmap network scanning

Nmap network scanning generates a full system inventory, but it's only usable with the right parameters and output format. Learn how to create an nmap inventory in this tip.
Creating an ad-hoc wireless network with Linux

In this tutorial, an expert explains how to set up an ad-hoc wireless network access point with your Linux server.

Linux network administration

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Open source systems management: Hits and misses

Which open source systems management tools work for you? Some tools bring welcome automation to repeated tasks. But beware the shortcomings. Feature
Open source networking: An interview with author Carla Schroder

This interview outlines how system and network security administration interrelated and discusses the best tools and practices for securing an open source network from author of Linux Networking Cookbook. Q&A

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Data Center
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Data Center
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  Stagnant strategies for data center cooling will keep energy bills climbing ever higher, but a more modern approach can bring them back down to earth.
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Server Virtualization
- How can I enable automated VM resource provisioning?
  
  As with many other facets of virtualization, VM resource allocation is becoming automated. Find out what tools you can use for automated provisioning.
- Columbia Sportswear's move from virtualization to private cloud computing
  
  Columbia Sportswear parlayed server virtualization into a private cloud. Along the way, it found that its management tools needed serious rethinking.
- Power management a must for oVirt high availability
  
  Dodge dreaded downtime by enabling power management in your oVirt 3.1 environment.
Cloud computing
- Google Compute Engine prices on par with AWS -- for now
  
  Conventional wisdom has Google and AWS locked in the Price War of the Titans with the launch of GCE, but a deeper look reveals a different truth.
- Limiting the effects of cloud computing outages
  
  After making the case for cloud based on high availability, IT pros are upset by cloud outages. With planning, there are ways to craft a strategy.
- Amazon Redshift an appealing alternative to on-premises data warehouse
  
  Amazon Redshift has intriguing pricing and features, but beware of its differences from a traditional, on-premises data warehouse.
Enterprise Desktop
- Windows 8 tools build on native Windows 7 utilities with new capabilities
  
  New and updated Windows 8 tools can help admins and users. Windows 8 utilities include functions for backing up and restoring systems.
- Why a Windows security scan is not enough to protect your workstations
  
  A traditional Windows security scan may lure IT into complacency about desktop vulnerabilities, so look at four areas to beef up Windows security.
- Microsoft addresses legacy apps with Windows 8 app compatibility tools
  
  New operating systems are always accompanied by compatibility concerns. Windows 8 app compatibility is no different, or is it?

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