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Between Worlds  

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People still use hard disks even when SSDs are much faster and more robust. One reason is the price; another is the lower capacity of flash storage. Hybrid drives promise to be as fast as SSDs while offering as much capacity as hard drives. But can they keep that promise?

Safe Circuit  

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Redo Backup backs up complete hard drives locally or over a network. The focus is on simple operation and high reliability in a variety of deployment scenarios.

On the DVD  

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The Tails Live system runs from a DVD, USB stick, or SD card and uses only RAM for storage, leaving your hard disk untouched. Geared toward preserving privacy and anonymity, Tails comes with an impressive set of cryptographic tools. All connections to the Internet go through the Tor network. The Tor anonymity network is designed to leave no trace and prevent surveillance of your online activities.

How the Spanning Tree protocol organizes an Ethernet network  

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Ethernet is so popular because it simply works and is inexpensive. However, the administration side looks a bit more complicated: For the network to run smoothly, the admin might need to make important decisions about the Spanning Tree protocol.

Smooth Check  

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Why spam yourself with useless notifications every time a script completes successfully? You can use Nagios to screen the notices and just send the ones that need action.

Automatic Transfer  

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If you want to manage large IT environments efficiently, you need automation. In this article, we describe how to transfer information automatically from the OCS network inventory system to the OpenNMS network monitoring tool.

Remote Diagnostics  

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If you do not want to use any of the major management frameworks to manage your virtual machines, the Libvirt library for Python provides an alternative.

On Ice  

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With CRIU, you can freeze the current state of a process and save it, then bring it back to life and continue from the point at which it was frozen.

Risk Management  

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No matter how insecure Android might appear, you can't escape the "bring your own device" philosophy in today's corporate environment. In this article, we show how admins can use on-board tools in Android phones to regain a little control.

Painting by Numbers  

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Graphite converts confusing columns of time series data into handy diagrams, showing trends in operating system and application metrics at a glance.

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