Tips
Tips
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Security considerations for IaaS cloud
Learn about the necessary security considerations for IaaS cloud environments. Continue Reading
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Microsoft makes improvements to SharePoint workflows
The first thing to know about SharePoint workflows is that SharePoint 2013 actually contains two separate workflow platforms. Continue Reading
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Tips for improving Active Directory performance on servers
Striking the right balance of memory and disk performance can help optimize Active Directory performance. Continue Reading
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Building redundancy into your cloud outage strategy
Any effective cloud computing strategy should include measures to protect against outages. The best defense you can have is to plan for redundancy. Continue Reading
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Ten questions to help compare cloud storage services
Cloud storage expert Arun Taneja suggests 10 questions to help you successfully compare cloud storage services. Continue Reading
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VMware Workstation encryption prevents unauthorized VM access
VMware Workstation encryption helps you protect information on VMs from unauthorized users. Learn how -- and when -- to encrypt virtual machines. Continue Reading
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Deciding whether to run Server Core in Windows Server 2012
Our expert breaks down the advantages and disadvantages of deploying Server Core in Windows Server 2012. Continue Reading
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Choose the right VMware certification path: Data center, cloud or EUC
Reading the new VMware certification map can get confusing, but most paths start out at VCP-DV. The next step could lead to cloud or EUC titles. Continue Reading
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Cut-through versus store-and-forward in Ethernet switch architecture
Switches in the data center can push frames using either store-and-forward or cut-through. Is one Ethernet switch architecture better than the other? Continue Reading
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How to measure test progress: Every picture tells a story
Seeing the big picture when it comes managing the progress of your software tests may require putting together all the little picture pieces. Continue Reading
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Three questions on ASHRAE standards for data centers
Evolving ASHRAE standards for temperature and humidity allow data center owners to save money on power and cooling demands. Continue Reading
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Unified storage architecture approaches: Modular vs. integrated
Find out what the considerations are for VARs with customers looking for both file and block storage in a single device. Continue Reading
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Windows Server Failover Clustering gets boost from PowerShell cmdlets
In Windows Server 2012, there are 81 new and improved failover clustering PowerShell cmdlets. Here's how to make the most of their capabilities. Continue Reading
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Using vSphere distributed switches for virtual networks
VMware's vSphere distributed switch is shared between hosts in a network, unlike standard switches. Here's how to create and use distributed switches. Continue Reading
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Introducing Exchange Server 2013 modern public folders
Responding to demands from the Exchange community, Microsoft is keeping public folders in Exchange 2013 and surprise, they're much improved. Continue Reading
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Common causes of a failed Hyper-V live migration
Hyper-V live migration helps admins maintain infrastructures. But a few common configuration snafus can cause failures. Do you know what to look for? Continue Reading
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Extracting data from memory dumps with Event Tracing for Windows
Admins facing Windows Server frequent hangs and crashes can use a number of tools, like Event Tracing for Windows, to catch a badly behaving task. Continue Reading
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Peeling back the layers of the Platform as a Service market
The PaaS market can be split into traditional IT vendors and independent, niche providers. Which choice offers an enterprise long-term cloud health? Continue Reading
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Setting traps with SLIP, king of the mainframe debugging tools
How to use SLIP, one of the best mainframe debugging tools, to set traps for annoying bugs. Continue Reading
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Advantages of using an object storage system
Learn the advantages of implementing an object storage system in your data storage environment. Continue Reading
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Best practices for solutions architecture
Solutions architecture has gained a reputation for being difficult to define. Even so, best practices unique to solutions architecture have emerged. Continue Reading
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How to repair a corrupt Outlook 2010 deployment
When Outlook goes down, don’t automatically download a third-party tool. Instead, try one of these approaches suggested by our expert. Continue Reading
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Agile project management using the Cynefin framework
Learn how the Cynefin framework facilitates problem solving, Agile project management and teamwork. Continue Reading
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Cloning virtual machines in vCenter Server
Learn how to identify and clone virtual machines in vCenter Server, from the parameter selection in vSphere 5 to the actual steps to creating the clone. Continue Reading
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Tweak Linux swap to improve server performance
Many administrators ignore or underutilize the Linux swap settings but making the proper adjustments will make for better system performance. Continue Reading
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Citrix StorageLink integrates SAN with virtualization environment
Find out what benefits Citrix StorageLink delivers to Citrix XenServer, such as access to advanced features on the storage array, offloading of storage operations to the array, and more. Continue Reading
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Installing a CIM provider to improve vSphere Client host monitoring
While ESXi includes support for many popular hardware platforms, comprehensive server health monitoring with the vSphere Client sometimes requires installing the correct CIM provider. Continue Reading
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SAN backup and recovery
Moving data can complicate your backup efforts. In this tip, you’ll learn backup goals for SAN environments and backup methods to achieve those goals. Continue Reading
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PaaS selection starts at the programming language
The PaaS market is growing without a single leader or approach. Picking a model should involve more than just saying, ‘Eeney, meeney, miney, moe.’ Continue Reading
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It’s an easy fix to clean up a GRUB error on your Linux server
A GRUB error will stop a Linux server cold, but following these steps should get you back on track. Continue Reading
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Various cloud gateway options and use cases
Arun Taneja explains why a cloud gateway is essential for cloud storage, and drills into the various types of cloud gateways on the market today. Continue Reading
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Designing a virtual environment with VMware Capacity Planner
Using VMware Capacity Planner to inventory data center resources and project hardware needs, IT pros can save time and money when planning a virtual environment. Continue Reading
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Work from the ground up with a data center raised floor
A raised-floor design is costly, so proper planning and installation is the key to maximize your investment. Continue Reading
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Security testing for unvalidated redirects and forwards
Security expert John Overbaugh gives security testers the information they need in order to ensure the Web application code that they’re responsible for is protected. Continue Reading
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Examining the state of PaaS in the year of ‘big data’
Either more vendors are offering ‘big data’ capabilities or they have creative marketing teams. Which PaaS provider’s big data cloud is the real deal? Continue Reading
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RAID with SSD: A primer
While RAID is still a storage standard, questions remain about RAID’s relevance with SSDs. This tip will explore the basics of using RAID with SSD. Continue Reading
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Setting up a mirrored Linux DRBD configuration over the network
Administrators can use the distributed replicated block device (DRBD) in Linux to set up basic data redundancy to connect the storage of multiple servers. Continue Reading
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Three reasons behind Exchange 2010 Management Console failures
It’s not uncommon for the Exchange 2010 management console to break down. Some failures may be attributed to changes made since Exchange 2007, but there are other causes as well. Continue Reading
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Five questions on data center environmental monitoring
Our expert explains how to maintain ideal conditions for your server room using data center environmental monitoring tools and techniques. Continue Reading
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Using Microsoft PerfView to profile process performance data
Microsoft made its internal performance monitoring tool available to the public. Here's how it offers an advanced peek at application processes. Continue Reading
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Distinguishing between mail contacts and mail users in Exchange 2010
It’s easy to confuse mail users with mail contacts in Exchange 2010. Our expert sorts out the differences between these seemingly interchangeable terms. Continue Reading
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Streamlining user acceptance testing (UAT) with Agile
Organizations that implement successful user acceptance testing can greatly reduce errors and business risks. Continue Reading
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Network time synchronization for VMware ESXi: Timing is everything
Time is money, and in your VMware infrastructure, network time synchronization ensures that your ESXi hosts are timed to work correctly with other hosts and services. Continue Reading
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How to implement storage virtualization technology at the server level
Learn about storage virtualization technology at the server-, or host, level, including info on products from Virsto, VMware, DataCore, LeftHand and FalconStor. Continue Reading
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Agile testing quadrants: Guiding managers and teams in test strategies
Agile expert Lisa Crispin explains the four Agile testing quadrants and how they can guide managers and development teams in creating a test strategy. Continue Reading
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Software development bugs: How to identify and prevent them
With strong Agile practices such as unit testing, code reviews and proper attention to requirements, bugs can be prevented or found early in the application lifecycle. Continue Reading
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Managing and monitoring server log data
See how proactive system administrators help themselves avoid a security breach by putting an effective log management policy in place. Continue Reading
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Block-level storage virtualization: Reasons to implement it
Learn about the reasons to implement block-level storage virtualization, in Part 1 of a four-part series. Continue Reading
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Defect tracking: Lean principles for getting the right data at the right time
In this tip, author Paul E. McMahon describes how Lean principles can be used to help determine when defect tracking is appropriate for your organization and what type of data is important to collect. Continue Reading
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Data center monitoring system considerations
An effective monitoring system can track environmental variables and alert admins of a potential problem before it becomes a critical emergency. Continue Reading
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The challenges of change and configuration management
Due diligence, business alignment and proper deployment are key to mastering change and configuration management tools. Continue Reading
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Avoiding single point of failure design flaws
Redundancy can help a data center avoid downtime, but sometimes hidden flaws in the electrical design can still create a single point of failure. Continue Reading
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What to do when DNS records disappear
When working with DNS records in Active Directory, a small mistake can quickly become a big problem. Follow these steps to speed your recovery. Continue Reading
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I/O performance in need of a fix
Despite technological advances, unacceptable I/O performance could hold the entire industry back. Here are some solutions that have materialized. Continue Reading
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Best Practices for Active Directory forest trusts
The more domains you manage, the more you rely on forest trusts. Follow these tips to manage your AD infrastructure – and maintain your sanity. Continue Reading
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Prioritizing alerts with server monitoring tools
Setting and prioritizing alerts with server monitoring tools can help an administrator respond quickly to critical problems without being bothered by insignificant alarms. Continue Reading
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Application performance tips: Workload optimization and software pathing
IT pros looking to maximize application performance should look beyond basic software, tuning to products from vendors pathing software and hardware. Continue Reading
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Migrating a Linux file system to a Windows file system (or vice versa)
In-place file system conversions are not only difficult – they're also downright dangerous. If you need to migrate data, you've got other options. Continue Reading
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Changing vendors: Avoiding pitfalls, IT vendor contract negotiations
Negotiating IT vendor contract terms is crucial for protecting business continuity, physical property and intellectual assets when contracts end. Continue Reading
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Advanced ESXi troubleshooting with Tech Support Mode
With Tech Support Mode enabled, you can use advanced VMware troubleshooting commands to diagnose and resolve ESXi host problems when the vSphere Client won’t do. Continue Reading
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Weighing the pros and cons of the Trusted Computing Platform
When used as designed, trusted computing can provide a high level of security, but limitations and potential for abuse prohibits its usefulness. Continue Reading
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Exchange 2010 auditing tools to track admin, end-user behavior
Compliance rules make tracking admin and email users a necessary evil. Thankfully, audit logging tools in Exchange 2010 can help. Continue Reading
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ESXi console tech support mode: When the vSphere Client isn’t enough
The ESXi console and its tech support mode can solve many issues that the vSphere Client can’t. Once enabled, you have the power of the Linux command line at your disposal. Continue Reading
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Best practices for maintaining a data center CRAC unit
A CRAC unit failure could often have been avoided through preventive maintenance and correctly sizing cooling infrastructure. Continue Reading
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Implementing SBD STONITH in Linux HA clusters
An SBD STONITH approach is simple to set up and is a reliable way to ensure data integrity in a Linux HA cluster. Continue Reading
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Basic disassembly: Decoding the opcode
Programmers can find benefit from disassembling object code–a lost art that begins with understanding the opcode. Continue Reading
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Securing an Apache Web server with SELinux
Learn how to keep your Apache Web server secure by applying basic SELinux settings, including adjusting SELinux so Apache uses nondefault settings. Continue Reading
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Using RamMap and VMMap Tools to Troubleshoot Windows Memory Issues
Even a veteran system admin can be challenged when investigating Windows memory issues. The free RamMap and VMMap tools remove much of the guesswork. Continue Reading
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Best practices for securing Exchange ActiveSync
Sure, ActiveSync is easy to set up and administer, but how comfortable are you with its security? These best practices will go a long way toward protecting your CAS. Continue Reading
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Agile software development: Tips for writing testable user stories
Testing pressures are always high on Agile projects. In this article we explore some of the ways adding clarity to stories can help make testing easier for all parties involved. Continue Reading
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Tools and techniques for tracking changes to software requirements
In this tip, requirements expert Sue Burk explains different techniques and tools that can be used to track changes to the requirement itself as well as changes to the attributes of the requirement. Continue Reading
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Selecting raised floors, panels for the data center
Choosing raised floor panels capable of supporting the weight of data center equipment cabinets requires taking a close look at strength ratings and manufacturers’ claims. Continue Reading
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Considering a raised floor in the data center
Tile material, strength and durability are important factors to consider when selecting and installing a raised floor in a data center. Continue Reading
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Server refresh options: When to rent a server vs. when to buy
Companies looking to replace old hardware must consider long-term goals and evaluate financing options when deciding whether to buy or rent a server. Continue Reading
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When is server hardware too old?
Modern server hardware is allowing systems to handle more jobs and last longer, easing capital expenses for many data centers. Continue Reading
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Regression vs. risk-based testing: Managing complexity
In this tip, consultant Vasudeva Naidu describes in detail the steps necessary to implement risk-based testing in your organization to ensure your regression test strategy is solid and successful. Continue Reading
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Transaction and database management on z/OS mainframe systems
Transaction and database management tools for mainframe systems, such as CICS, IMS and DB2, have been around for decades, but have evolved over the years to fit the needs of enterprise customers. Continue Reading
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Configuring the ESXi firewall in VMware vSphere 5
The ESXi 5 hypervisor has a new firewall, similar to the ESX firewall of yore. You can configure it through the vSphere Client or command line, depending on your preference. Continue Reading
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Scripting: VMware PowerCLI vs. Microsoft PowerShell
VMware's PowerCLI sits atop Microsoft's PowerShell, but does it make scripting on a virtualization platform better? Continue Reading
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Data center design standards for cabinet and floor loading
The weight of today’s racks and equipment cabinets can stress floor structures, making it crucial to consider floor loading requirements in your data center design. Continue Reading
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What to look for when conducting benchmark tests with PerfMon
Microsoft's PerfMon benchmark tests measure a wide range of processes and server aspects, but it can be difficult for IT professionals to understand the numbers and interpret the results. Continue Reading
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Storage vMotion: Application and performance
In this tip, learn how Storage vMotion operates, its uses, its system requirements and the steps to take to perform a Storage vMotion. Continue Reading
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Troubleshoot Windows boot problems with Xbootmgr
By working with the Xperf tool, Xbootmgr helps admins pinpoint the real cause of slow boot issues in Windows Server. Continue Reading
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Three questions to ask when considering Microsoft Azure
Is Microsoft Azure a no-brainer cloud choice or impossible to adopt? Ask these three questions to determine if the cloud platform is right for you. Continue Reading
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Using SSD technology to support memory overcommitment in vSphere
Using SSD in a vSphere environment helps with memory overcommitment. Find out how memory overcommitment works and why SSD is better at supporting it than mechanical disk. Continue Reading
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Deleting virtual machine snapshots without wasting disk space
You can avoid wasting disk space and performance problems when deleting, or committing, virtual machine snapshots. Continue Reading
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Repadmin diagnoses Active Directory replication issues in Windows
Repadmin troubleshoots Active Directory replication issues, but it also includes some commands that Windows administrators might not recognize. Continue Reading
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Creating RPM packages in Linux
RPM software management on Linux systems truly has an advantage when you create your own RPM packages. Learn how to use the enhanced vim option to automatically generate a template file after creating a new RPM file with the .spec extension. Continue Reading
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The impact of SSD technology on the network and CPU
SSD technology can have a noticeable effect on the network and CPU utilization. Learn how increased traffic loads can change the bottlenecks in your environment. Continue Reading
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Safer failover testing procedures for the data center
Haphazard failover testing can be dangerous, but you can minimize the potential risk of data loss or corruption by following a few straightforward procedures. Continue Reading
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Application security: Protecting application availability, data confidentiality and integrity
Network security and application security are both important in keeping your applications safe from hackers. In this tip, security engineer John Overbaugh focuses on application security, which is needed to protect the confidentiality, availability ... Continue Reading
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Managing change requests to your application
In this tip, we look at end user requests, and the process to prioritize the requests for IT, so they know where to focus their work efforts. Continue Reading
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Defining and allocating vCloud Director resources
For IT shops configuring VMware vCloud Director, here are the first four steps needed to make the service aware of a vSphere environment. Continue Reading
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Using DCIM tools to monitor data center power
Although DCIM tools include many capabilities for monitoring data center power and facilitating data center management, you should know their associated costs before implementing projects. Continue Reading
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Hybrid clouds: Three routes to implementation
Are you implementing hybrid clouds in your firm? Find out whether cloud storage software, cloud storage gateways or application integration is the best bet. Continue Reading
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Ten questions to ask when storing data in the cloud
Concerned about the security and privacy of your data in the cloud? Ask these 10 questions of every cloud provider to ensure that they'll keep your data safe and flexible. Continue Reading
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A closer look at the Ntdsutil command-line tools for Active Directory
Dig into the slew of Ntdsutil commands in Windows Server 2008 and R2 that provide admins with improved Active Directory management. Continue Reading
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Manual testing vs. automated testing: A decision point
Automation in a test environment can be expensive and doesn’t always yield a high return. In fact, a high percentage of automation efforts fail. In this tip, Vasudeva Naidu gives advice on key factors that will lead to success in your automation ... Continue Reading
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Waterfall vs. Agile development: A case study
Two projects very similar in scope were executed by the same project team for the same users. The first project used a waterfall methodology and resulted in missed deadlines and failure to deliver user requirements. The second used an Agile ... Continue Reading
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Increasing network bandwidth available to virtual machines
These three tips on increasing the amount of network bandwidth available to your VMs, including virtual network creation, can also potentially increase a host server's VM density. Continue Reading