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• What can admins use as a data center GPU?

  There is no formal standard to differentiate consumer and data center GPUs. Still, you should evaluate processing speeds and hardware requirements before GPU installation. Continue Reading

• Navigate DCIM software selection, security and support

  To properly evaluate DCIM software, pinpoint where you can benefit from more operational data and work with vendors. Then, ensure your selection fits your data center needs. Continue Reading

• How to successfully perform a data center upgrade

  When data center hardware becomes outdated, there are a few options. Here are ways that admins can ensure that a migration is efficient and downtime is minimized. Continue Reading

• What does GPU hardware do in the data center?

  Once part of the gaming industry, GPUs are gaining traction in data center infrastructures. Learn why the power of GPUs makes them fit virtualization and data-heavy applications. Continue Reading

• How to realize server virtualization energy savings

  Virtualizing servers is one of the most effective steps to reduce energy consumption, especially when the hypervisor and VM placement are taken into account. Continue Reading

• Definitions to Get Started

  • What is a shell script and how does it work?
  • What is MVS (Multiple Virtual Storage)?
  • What is a real-time operating system (RTOS)?
  • What is infrastructure (IT infrastructure)?

  • What is a data center administrator (DCA)?
  • What is ITIL? A guide to the IT Infrastructure Library
  • What is continuous modeling (data center continuous modeling)?
  • What is National Electrical Code (NEC)?

  View All Definitions

• Research advances data center liquid cooling tech

  You might want to investigate alternatives to water and fans to keep your data center cool. Still, there are costs and environmental concerns facing researchers and IT administrators.Continue Reading

• Top 7 system administrator interview questions and answers

  To land any IT job, you need to master the interview. Here are seven questions to expect in your next sysadmin interview and how to ace the answers.Continue Reading

• Can I use server automation for remote management?

  Depending on your server management workflow, you might want to consider automation and orchestration. Before going forward, you should figure out what scripts are necessary.Continue Reading

• Discovery functions, FIPS compliance increase DCIM security

  Data center infrastructure management is one way to track security patches and unauthorized hardware access. There are a few features you can use to increase security.Continue Reading

• Data center admins gain the benefits of microservices

  Microservices bring perks to data center infrastructures, especially when it comes to long-term maintenance. But admins need to properly evaluate it before implementation.Continue Reading

• Definition of hyper-converged infrastructure evolves, as do products

  Defining hyper-convergence can be a challenge. Focus instead on learning about hyper-converged infrastructure product options and how they fit your data center and cloud plans.Continue Reading

• Getting started with Linux containers

  Linux-based containers allow you to run applications in the data center without modifying OSes. If you're not sure how to get started, options such as Docker and CoreOS can help.Continue Reading

• How to keep your data center skills up to date

  It can be tough to pick the skills to develop when there are so many certifications to choose from. Data center industry trends can give you insight into what skills to pursue.Continue Reading

• Choose the cloud computing deployment model that fits your data center needs

  Organizations looking to the cloud to update their data center should consider the future development of systems management providers when selecting a cloud computing deployment model.Continue Reading

• SDDC architecture basics and deployment considerations

  Software-defined data centers accelerate hardware provisioning and maintenance. These benefits are reason enough for admins to familiarize themselves with SDDC components.Continue Reading

• NetApp FlexPod

  NetApp FlexPod is a reference architecture for server, storage and networking components that are pretested and validated to work together as an integrated infrastructure stack.Continue Reading

• Test your hyper-converged networking knowledge

  Network hyper-convergence is racing to catch up to the level of virtualization of compute and storage. Test yourself on your HCI networking knowledge.Continue Reading

• Test your Cohesity storage systems knowledge

  Taking the principles of hyper-convergence and applying them to secondary storage systems enabled Cohesity to create a hyper-converged platform for data recovery and backup.Continue Reading

• SIEM software basics and use cases for IT administrators

  Security information and event management products use algorithms to stop cyberattacks in their tracks, but they also offer other workflow benefits for admins.Continue Reading

• Open source log management options for Linux distributions

  Open source log management tools provide a variety of options and capabilities for admins who want customizable Linux log management functions in a server or cloud environment.Continue Reading

• Evaluate converged vs. hyper-converged infrastructure benefits

  Many IT admins wonder if their data center can benefit from hyper-converged or converged infrastructure. To choose the right one, evaluate uses and scalability.Continue Reading

• Do I need converged or hyper-converged infrastructure appliances?

  Scalability, risk tolerance and cost all factor into the decision between converged and hyper-converged infrastructure. The two technologies have very different use cases.Continue Reading

• Work a command-line interface in Linux with these permissions and prompts

  The command-line interface is an integral part of the Linux management environment. With sudo permissions and remote connectivity, working with a command line is easy.Continue Reading

• How is RHEL in the cloud different than in the data center?

  Implementing RHEL in the cloud isn't exactly the same as using cloud technology in the data center, especially when addressing swap and support concerns.Continue Reading

• HPE OneView (formerly HP OneView)

  HPE OneView, formerly known as HP OneView, is a converged infrastructure management platform that provides a unified interface for the administration of software-defined systems in a data center.Continue Reading

• What are the top SIEM use cases?

  SIEM tools help organizations detect and mitigate malware and viruses, but they also allow administrators to offload traffic when an attack hampers performance.Continue Reading

• Guide to buying server performance monitor software

  Integration, storage and vendor support all affect whether a performance monitoring tool is right for an organization. Mull over these ten factors to choose the right one.Continue Reading

• IBM blockchain technology spotlights mainframes

  IBM's blockchain offerings aim to ease enterprise IT concerns by combining Z system mainframe hardware with industry-specific open source applications.Continue Reading

• Do I need an information systems management degree?

  IS management degrees are table stakes for many IT job seekers. Hands-on experience and specific certifications make applicants more desirable.Continue Reading

• Pin down these hardware service contract details

  A server warranty won't do much good when every second of downtime counts. Here's how to hammer out a support agreement that addresses the particular needs of your company.Continue Reading

• Organizations don't have to pick private or public cloud

  Organizations don't necessarily have to decide between using a public or private cloud. For some companies, the answer is both. For others, it's neither.Continue Reading

• Take the open source hyper-converged knowledge challenge

  If you are considering an open source HCI implementation, this quiz can help you further refine your knowledge and better prepare you for the final decision.Continue Reading

• Ten hyper-converged infrastructure architecture buying mistakes

  Buying hyper-converged infrastructure systems can be less stressful if you learn about and avoid these 10 common mistakes that trip up some HCI buyers.Continue Reading

• Hitachi Vantara (formerly Hitachi Data Systems or HDS)

  Hitachi Vantara is a data storage systems provider, previously known as Hitachi Data Systems (HDS).Continue Reading

• Three requirements for a hybrid cloud computing deployment

  As the hybrid cloud computing approach gains steam, organizations will need to pay close attention to cross-cloud connectivity and management, plus microservices.Continue Reading

• Install Ubuntu Core successfully with these steps

  An Ubuntu Core installation can often prove tricky for IT teams. Use these step-by-step instructions to properly install the platform for a more secure Docker environment.Continue Reading

• Reference architecture vs. converged infrastructure: Know the difference

  The terms converged infrastructure and reference architecture frequently appear together, but they're not interchangeable. One is the blueprint and the other is a structure.Continue Reading

• Linux distros (Linux distribution)

  A Linux distribution -- often shortened to "Linux distro" -- is a version of the open source Linux operating system that is packaged with other components, such as an installation programs, management tools and additional software such as the KVM ...Continue Reading

• Test yourself on modern data center networking architecture

  Evolving business needs demand a new approach to data center networking. Keep yourself updated on SDN, VXLAN and other technologies with this quiz.Continue Reading

• VSPEX

  VSPEX is a platform specification from Dell EMC to guide the building of systems for converged and hyper-converged infrastructure (HCI).Continue Reading

• HyperGrid

  HyperGrid is a cloud computing provider that offers Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and application management services. To support the DevOps movement which breaks down the silos between software development and ...Continue Reading

• Fujitsu Ltd.

  Fujitsu Ltd. is a Japanese technology company that specializes in consumer and industrial electronics. Fujitsu’s products include servers, PCs, laptops, media centers, tablets, storage hardware, displays, air conditioning and heat pump units.Continue Reading

• New IT roles to put on your hiring radar

  The shifting nature of the IT industry doesn't just influence new technology; it's spawning some noteworthy changes in IT staffing, especially around big data and cloud.Continue Reading

• Tips to ace tough IT operations interview questions

  Few things career-wise are as nerve-wracking as job interviews. Knowing what to expect going into that first meeting for a Web or app administrator role can quell some uneasiness.Continue Reading

• Software-defined applications and infrastructure explained

  The inner mechanics of today's software-defined applications and infrastructure reveal an interconnected web of isolated components and scalable resources, supervised by automated management.Continue Reading

• Should I make a storage LUN for each server?

  In some scenarios, more than one LUN per server makes sense. In others, it's better to maintain a one-to-one ratio. So which is better?Continue Reading

• IBM Pureflex

  IBM PureFlex is a combined hardware and software system for data centers that delivers infrastructure as a system (IaaS) optimized for scalable cloud computing.Continue Reading

• The three tiers of hyper-converged architectures

  Hyper-converged architecture delivers storage in a bundle, but there are several components involved. George Crump discusses the three pieces of hyper-converged systems.Continue Reading

• Data center metrics and standards guide

  From energy use to server performance, data center metrics form a foundation for improving IT operations.Continue Reading

• What can I do to gain Java skills and leave mainframe programming?

  I have two years of experience in mainframe technology, currently working as a mainframe developer. I want to change to Java technology.Continue Reading

• Build Linux from scratch to improve admin skills

  There's a sure-fire way to increase your knowledge about the Linux kernel and how to troubleshoot Linux servers: Build one yourself.Continue Reading

• How do I configure vSphere HA for automatic failover?

  I want to install a virtualization environment with physical servers for failover and a storage server to boot up some virtual servers in our network. How can I do this?Continue Reading

• Resolve a network bottleneck with these techniques

  Data center network performance problems will disappear with fixes from a simple reorganization through a strategic overhaul.Continue Reading

• How do I size the physical server to host virtual machines?

  I want to convert a physical machine to a virtual machine. How can I select and size the right server infrastructure to host VMs?Continue Reading

• Take data center efficiency to the max on three-phase power

  Three-phase circuits provide considerably more power efficiency to data center equipment, but phase balancing can trip up deployments.Continue Reading

• Master Linux service management on System V and systemd

  Managing services on Linux is an essential task for administrators. Learn to work with either System V or systemd.Continue Reading

• Eight data center technologies to test in the new year

  As the hype from 2014 dissipates, the new year rings in hot new technologies. IoE, hybrid clouds and other tech innovations make the data center run more efficiently.Continue Reading

• This data center cost calculator keeps you on budget

  Calculating every data center expense can be challenging, but with the right spreadsheet -- and formulas -- you will accurately assess the total cost.Continue Reading

• Server form factors: A guide to rackmount, blade servers and more

  Which type of server is right for you? The data center's budget, technology and reliability will steer you toward rackmount or blade servers.Continue Reading

• What's the best data center network topology?

  You need to know these most common data center network topologies, and check out a host of alternative topologies waiting in the wings.Continue Reading

• wetware

  Wetware refers to programmers, developers, systems administrators, cloud and IT architects and other employees that directly affect how servers, applications, networks and the rest of an IT system functions.Continue Reading

• A mainframe refresher quiz

  Make sure you know what is significant about the mainframe. Take this quiz to find out what you should brush up on.Continue Reading

• Does data center size matter in virtualization, DCIM decisions?

  Are you big enough to take advantage of DCIM or virtualization for the power and cost savings? When it comes to certain moves, size is an advantage.Continue Reading

• A few ways to configure Linux firewalld

  The method for configuring Linux servers' firewalls changed with RHEL 7 and other new distributions. Learn how to set up firewalld, and what to avoid.Continue Reading

• Why Facebook and the NSA love graph databases

  Graph databases play six degrees of separation to find real connections. See how IT teams can use the database approach for businesses.Continue Reading

• What's the best Linux OS for your enterprise data center?

  With several updates to supported Linux OSes, how do you know which to run in your data center? This guide will help you make an informed decision.Continue Reading

• Unix command line quiz

  Do you know how to move a file or get a list of current users from your Unix servers? Take our Unix quiz on essential commands for system admins.Continue Reading

• Basic Linux commands for new Linux server administrators

  To manage Linux servers, administrators need a set of basic commands to view and start processes, as well as utilities that make life a little easier.Continue Reading

• How outdated practices harm data center grounding systems

  Isolated grounds are a solution lacking a problem. In fact, isolated grounds create problems for data center cabinet power and add expense all around.Continue Reading

• Creating a reliable and fast SAN network design with iSCSI

  There are three tenets of designing an iSCSI network correctly. Proper iSCSI deployment yields affordable and reliable network access for the SAN.Continue Reading

• Your data lives where?! Strange and secure data center locations

  In these data center pictures, tour barges, former mines and oil rigs. Sometimes a strange location makes the most sense for a secure data center.Continue Reading

• Data center network design moves from tree to leaf

  Leaf-spine designs are pushing out the hierarchical tree data center networking model, thanks to the popularity of Ethernet fabric networks.Continue Reading

• Quiz: New methods for cooling data centers

  Think you know everything about cooling data centers? Test your knowledge by taking this quiz on modern cooling techniques.Continue Reading

• out-of-order execution (OoOE)

  Out-of-order execution (OoOE) is an approach to processing that allows instructions for high-performance microprocessors to begin execution as soon as their operands are ready.Continue Reading

• Basic Assembler Language (BAL)

  BAL (Basic Assembler Language) is a version of IBM's assembler language (sometimes called assembly language) for its System/360 and System/370 mainframe operating system.Continue Reading

• cow power (biogas)

  Cow power is a term for the conversion of manure to usable energy. The energy produced can supplement the electric power offered by a utility or power a facility, such as a factory or a data center.Continue Reading

• Data center design and infrastructure classroom 101 quiz

  This brief quiz on data center design and infrastructure tests your knowledge of server virtualization technology, virtualization deployment and hardware considerations for a virtual environment.Continue Reading

• Virtualization and management classroom 201 quiz

  This brief quiz on server virtualization tests your knowledge of virtualization platforms, management tools and virtualized infrastructure performance.Continue Reading

• data warehouse appliance

  A data warehouse appliance is an all-in-one “black box” solution optimized for data warehousing.  The appliance consists of a server pre-built with operating system, storage, database management system (DBMS), and software. Continue Reading

• Quiz: Data center energy efficiency trends

  Take this quiz on data center energy efficiency, and find out how much you know about cutting costs and saving power at your company.Continue Reading

• Yellowdog Updater, Modified (YUM)

  Yellowdog Update, Modified (YUM) is a program that manages installation, updates and removal for Red Hat package manager (RPM) systems. YUM allows the user to update groups of machines without having to update each RPM separately.Continue Reading

• fuel cell

  A fuel cell is an electrochemical cell that derives its energy from combustible substances such as hydrogen, methane, propane, methanol, diesel fuel or even gasoline... (Continued)Continue Reading

• gzip (GNU zip)

  Gzip (GNU zip) is a free and open source algorithm for file compression. The software is overseen by the GNU project.... (Continued)Continue Reading

• DRBD (Distributed Replicated Block Device)

  DRBD (Distributed Replicated Block Device) is a Linux-based software component that facilitates the replacement of shared storage systems by networked mirroring. DRBD makes it possible to maintain consistency of data among multiple systems in a ...Continue Reading

• intelligent power management (IPM)

  Intelligent Power Management (IPM) is a combination of hardware and software that optimizes the distribution and use of electrical power in computer systems and data centers. While the installation of IPM involves up-front cost and ongoing ...Continue Reading

• data center chiller

  A data center chiller is a cooling system used in a data center to remove heat from one element and deposit it into another element. Chillers are used by industrial facilities to cool the water used in their heating, ventilation and air-conditioning...Continue Reading

• job step

  In certain computer operating systems, a job step is part of a job, a unit of work that a computer operator (or a program called a job scheduler) gives to the operating system.Continue Reading