Weitere Bücher, die Sie mögen werden

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  Power Distribution Unit (PDU)...

  Dr. Jim Anderson

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  Power Distribution Units (PDUs) – you mean power strips, right? That's what I thought when I was first introduced to this product. Boy oh boy was I wrong! Yes, the PDUs that are manufactured to be sold to the owners and operators of data centers do bear some similarities to the simple power strips that we all use at home. But we are really talking about two very different products here.
  
  What You'll Find Inside:
  POWER DISTRIBUTION UNITS (PDU): WHAT ARE THEY?
  WHY FUSES ARE BAD AND WHAT TO DO ABOUT IT
  WHAT THE WORLD OF FORMULA 1 AUTO RACING CAN TEACH DATA CENTER OPERATORS
  WHY DATA CENTER OPERATORS ARE SWITCHING TO USING HY-MAG
  
  How much money do you think that a data center operator has invested in just one of the racks of computers that sits in his or her data center? There is the cost of the rack, of course, but then there's the cost of each of the servers that has been plugged into that rack, the networking gear, and the power distribution system. Not to mention the overhead of cooling and power distribution to the rack. Very quickly the value of a single rack can reach US$500,000.
  
  Clearly it's in the best interests of the data center operator to know exactly what is going on with their investment. Questions that need to be answered include how much power is being used, if there is currently a fire, are there any hot spots, and whether there are any liquids in the area.
  
  The problem with today's modern data center is that all too often the answers to these questions are not available unless staff are sent out on to the data center floor with tools to make measurements. This means that a lot could go on when nobody was looking.
  
  Today's modern PDUs do so much more than just simply deliver power to the computers that have been plugged into a rack. They provide the "eyes and ears" that data center operators need in order to determine what is happening with their racks. Modern PDUs can support multiple types of sensors that can be used to piggy-back environmental information along with power usage information back to a central control system.
  
  Sophisticated Data Center Infrastructure Management (DCIM) software applications promise to be able to monitor all aspects of a data center. However, they are expensive and require an additional investment to both install and then maintain. The use of PDUs to collect needed data center status information provides a simple and low cost way to automate the monitoring of a modern data center.
  
  This book has been written to provide you with the information that you'll need in order to compare and contrast different types of PDUs. These sophisticated tools can be difficult to tell apart. This book will look at the features that you really needs and explain how you would use then in the real-world environment of a modern data center.
  
  It is my hope that after having read this book, you'll have the knowledge that you'll need to go out and select the type of PDU that best meets the needs of your business. Once you've done this, you can then implement a solution that will allow you to always know what is going on in your data center.

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  Fearfully and Wonderfully - The...

  Philip Yancey, Paul Brand

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  ECPA 2020 Christian Book Award Finalist
  
  IVP Readers' Choice Award
  World Magazine Book of the Year Short List
  Discover this updated and combined edition of two bestselling books!
  The human body holds endlessly fascinating secrets. The resilience of skin, the strength and structure of the bones, the dynamic balance of the muscles—your physical being is knit according to a pattern of stunning purpose. Now Gold Medallion winners Fearfully and Wonderfully Made and In His Image have been completely revised and updated to offer a new audience timeless reflections on the body.
  Join renowned leprosy surgeon Dr. Paul Brand and bestselling writer Philip Yancey on a remarkable journey through inner space—a spellbinding account of medical intervention, pain and healing, and the courage of humanity. Discover here the eternal truths revealed by our seemingly ordinary existence. The human body is a window into the very structure of God's creation and a testament to God's glory.

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  Sneaky Uses for Everyday Things...

  Cy Tymony

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  The original, practical guide that offers readers “a chance to become real-life MacGyvers” with “sections on gimmicks, gadgets and survival techniques” (Publishers Weekly). Do you know how to generate battery power with simple household items? Or how to create your own home security system? Science-savvy author Cy Tymony does. And now you can learn how to create these things—and more than 40 other handy gadgets and gizmos—in Sneaky Uses For Everyday Things.  More than a simple do-it-yourself guide, this quirky collection teaches you how to transform ordinary objects into the extraordinary just a few minutes. With more than 80 solutions and bonus applications at your disposal, you will be ready for almost any situation. Included are survival, security, self-defense, and silly applications that are just plain fun

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  The Gastritis Healing Book - A...

  L. G. Capellan

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  Has Gastritis and Stomach Pains Made Your Life Miserable? 
  Eliminating gastritis and its annoying symptoms calls for more than acid-blocking medications or simple dietary changes. It requires a comprehensive treatment approach that tackles the root cause and provides a real solution to the problem―which is exactly what this book is all about. 
  The Gastritis Healing Book offers a completely new treatment approach that incorporates precise advice and recommendations about the changes you should make in your diet, habits, and lifestyle, in order to heal your stomach. 
  Inside this book, you will discover:A complete step-by-step healing program that provides you with the tools you need to fight gastritis effectively.An essential introduction to understanding gastritis, which includes the main factors and hidden causes that might be holding your stomach back from healing.A list of proven, science-backed natural supplements and remedies that will help your stomach lining to recover faster.A seven-day meal plan that removes the stress and anxiety of not knowing what to eat, which includes a shopping list and tips for meal prep.And more than 50 gastritis-friendly, gluten-free, and dairy-free recipes for breakfast, lunch, dinner, and snacks, so that you can also create your own meal plan and stick to the gastritis diet for as long as you needed. 
  With The Gastritis Healing Book, you’ll be on the road to a healthier, happier, and symptom-free life!

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  Why Air Forces Fail - The...

  Robin Higham, Stephen J. Harris

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  Includes two new chapters! “One of the more interesting and better books on military aviation to appear in the last few years.”—Journal of Military History   Since the publication of the first edition of Why Air Forces Fail, the debate over airpower’s role in military operations has only intensified. Here, eminent historians Robin Higham and Stephen J. Harris assemble a team of experts to add essential new details to their cautionary tale for current practitioners of aerial warfare. Together, the contributors examine the complex, often deep-seated, reasons for the catastrophic failures of the Russian, Polish, French, British, Italian, German, Argentine, and American air services. Complemented by reading lists and suggestions for further research, this seminal study with two new chapters provides an essential and detailed analysis of defeat.   “Contains many interesting insights and interpretations . . . an excellent introduction to the study of military failure in general and air forces in particular.”—Journal of America’s Military Past “I recommend this book to those who are interested in air forces and air power, whether amateur or professional, past, present and future.”—Richard Cobbold, Bryanston: The Yearbook   “Provides an excellent analysis of the root causes of failure; this engaging study goes far beyond the aerial battlefield to examine the circumstances leading to defeat.”—Dennis Drew, Colonel, USAF (Ret.)

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  The Autumn Ghost - How the...

  Hannah Wunsch

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  Americans knew polio as the "summer plague." In countries further North, however, the virus arrived later in the year. It was described by one writer as "the autumn ghost."Intensive care units and mechanical ventilation are the crucial foundation of modern medical care: without them, the appalling death toll of the COVID-19 pandemic would be even higher. In The Autumn Ghost, Dr. Hannah Wunsch traces the origins of these two innovations back to a polio epidemic in the autumn of 1952. Drawing together testimony from doctors, nurses, medical students, and patients, Wunsch relates a gripping tale of an epidemic that changed the world.Wunsch tells the true story of how insiders and iconoclasts came together in one overwhelmed hospital in Copenhagen to save the lives of many polio patients dying of respiratory failure. Their radical advances in care marked a turning point in the treatment of patients around the world—from the rise of life support and the creation of intensive care units to the evolution of rehabilitation medicine.The Autumn Ghost will leave listeners in awe of the courage of those who battled the polio epidemic, and grateful for the modern medical care they pioneered.

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