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Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
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However, note that the power suspend is done by the slave device, not by the port. Not all USB devices can be suspended (particularly parasitic ones such as lights that have no communications interface).
The device can be turned back on by setting it to auto mode:
The VirtualBox project provides full x86 virtualization, and was developed by innotek and Sun (now Oracle). The licence is GPL, although there are some optional proprietary extensions, which include USB drivers and RDP support. On newer processors (with AMD-V or VT-x processor), there are other libre alternatives such as KVM.
To install VirtualBox is just a matter of installing the package:
Sometimes when a laptop is used on multiple networks (such as work and home), there are different network settings to be configured (particularly if static settings are required).
The guessnet package can be used to augment ifupdown for this purpose; guessnet allows automated tests to be run when the network interface is initializing (such as testing the router mac address) as a way of choosing a configuration.
An example would be mapping eth0 to a static network setting...