Tips

Tips

• A look at fundamental Linux sed commands

  The Linux stream editor is a useful way to run scripts in the data center. With these command examples, you can start to build your familiarity with sed.  Continue Reading

• Minimize downtime during a data center upgrade

  End users don't want their productivity interrupted by IT maintenance. With the right technology, testing and planning, you can reduce or eliminate downtime in the data center.  Continue Reading

• Navigate data center management software selection

  Software evaluation can be a lengthy process, especially with both open source and commercial options. Functionality and support can help you form a short list of possibilities.  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

• 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

• Composable architecture options versus CI and HCI

  While converged, hyper-converged and composable infrastructures all share some degree of similarity in convergence, important differences can affect your IT architecture choices.  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

• Datrium open converged infrastructure makes HCI flexible

  Datrium calls its less rigid form of converged infrastructure open convergence to highlight its greater scaling flexibility versus converged or hyper-converged infrastructures.  Continue Reading

• Converged data center migration practices to avoid data loss

  Refreshing data center hardware is no simple task, especially for organizations with multiple workflows. Before completing an upgrade, make a plan for backups and workload management.  Continue Reading

• Streamline data center ops by adding functionality to your DCIM tool

  Once you've successfully set up DCIM software, it's important to evaluate what further capabilities you need and the ways you can improve data center planning.  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

• GPUs, FPGAs increase software-defined data center performance

  Some applications in your SDDC might need special hardware so they can function at their best. GPUs and FPGAs are an effective way to increase performance.  Continue Reading

• New vSAN 6.7 features boost failover, ease management

  The latest version of vSAN puts the hyper-converged storage software into a wider range of use cases with better support for failover and a smoother management user interface.  Continue Reading

• Four top open source SIEM tools you should know

  Open source SIEM software offers organizations a way to test capabilities and augment existing functionalities for analytics and log management. Get started with these options.  Continue Reading

• Hyper-converged infrastructure software aids IT flexibility

  Implementing a software-based hyper-converged platform can make it easier to scale components separately, but it has drawbacks as well, like multiple support sources.  Continue Reading

• Ten Linux process management commands that simplify admin workflows

  If you work in Linux, chances are you have to do some process management. Here are some commands to simplify that workflow.  Continue Reading

• Craft a converged secondary storage strategy with care

  Secondary storage vendors have been offering converged technologies and products for a few years now, and the systems have become more feature-rich and cloud-capable.  Continue Reading

• How to ensure hyper-converged infrastructure security

  To secure data in an HCI system, it requires tools and techniques that account for the unique features of hyper-convergence, such as shared resources and virtualized management.  Continue Reading

• Agile workflows shift admins' IT procurement strategy

  Changing business needs and the move toward Agile workflows affect how data center managers make decisions about daily operations and IT purchasing.  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

• 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

• Easily read a log file in Linux with command-line tools

  Depending on the specific Linux distribution you use, there is a variety of commands to help you locate, read and search log files within related program components.  Continue Reading

• Web server management best practices and essential features

  There are a lot of tools on the market for web-based server management. To find the best product, look for functions that automate workflows and add security.  Continue Reading

• Top 4 advantages of a command-line interface

  With the simple look of the command-line interface, organizations don't always realize the advantages it brings to systems through pointed, accurate commands.  Continue Reading

• Get to know SIEM software basics and benefits

  Security information and event management tools give organizations enhanced network management functionality, such as automatic reporting, data stream analysis and anomaly detection.  Continue Reading

• Hadoop cluster configuration best practices streamline workflows

  Organizations that deal with a variety of Hadoop configurations can streamline workflows through baseline configuration, tests and site-specific configuration files.  Continue Reading

• Assess network device monitoring capabilities with these tips

  Organizations considering new network device monitoring software should evaluate the alerting capabilities and extensibility of several different tools before making a purchase.  Continue Reading

• Certain solid-state storage characteristics benefit HCI most

  Depending on the workload demands, there are features of solid-state storage that can greatly enhance the performance of your hyper-converged infrastructure system.  Continue Reading

• Hadoop cluster capacity planning best practices

  Trying to calculate Hadoop cluster capacities isn't always straightforward. It's important for organizations to include IOPS and compression rates in their predictions.  Continue Reading

• Inline deduplication fits well with hyper-converged IT

  Of the two main types of deduplication, most HCI vendors choose inline over post-process because of the performance benefits and lower levels of total storage required.  Continue Reading

• Composable architecture keeps hardware flexibility

  With composable systems, an IT admin can get more choice from the devices on the back end and more choice on the devices it delivers the virtualized resources to.  Continue Reading

• Use Windows Server deployment for feature-filled HCI

  Windows Server 2016 not only supports a hyper-converged infrastructure implementation, but brings with it a rich set of features for both performance and security.  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

• Three solid-state storage advantages that boost HCI performance

  There are many advantages to including solid-state storage in your hyper-converged infrastructure plans, such as better performance and lower power costs.  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

• Business needs define your hyper-convergence technology choices

  Base your HCI products of choice around the workloads you run, the architecture they run on and any present or future cloud plans you have for them.  Continue Reading

• How software-defined networking layers work with HCI

  The network function of a hyper-converged infrastructure has been the most difficult to virtualize, but adopting an SDN approach can make it easier for your organization.  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

• Converged secondary storage for data protection carries risk

  Using converged infrastructure for the secondary storage in your data protection plan can be valuable, but you need to weigh the benefits and drawbacks before choosing that path.  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

• Match your hyper-converged hardware pick with your workload

  Overall workload demands and growth projections, not just user applications, should be top of mind when you choose among the hardware options in hyper-converged appliances.  Continue Reading

• Windows Server 2016 hyper-converged options are here

  The latest edition of Windows Server from Microsoft includes options for implementing a hyper-converged infrastructure in a Microsoft-only IT operation.  Continue Reading

• Virtualization layer is HCI's secret sauce

  Knowing how virtualization software turns separate hardware components into pools of shared resources will help you plan and manage an HCI implementation.  Continue Reading

• Match your hyper-converged infrastructure appliance to your apps

  Planning a hyper-converged appliance purchase should start with determining which application it will run and which configuration options will meet apps' needs.  Continue Reading

• Evaluate read-intensive and write-intensive SSD use cases

  Consider write wear, performance and other factors when choosing between read-intensive, write-intensive and mixed-use solid-state drives.  Continue Reading

• Build the right hyper-converged cloud for your apps

  Picking the right hyper-converged hardware and software for your application workload requires understanding how the elements of HCI can best be combined for your needs.  Continue Reading

• IT support and service contracts ripe for savings

  If you don't pay close attention to IT support, service and maintenance contracts, start now. Chances are your organization is paying more than it needs to.  Continue Reading

• Spectre, Meltdown vulnerabilities put SDS, HCI at risk

  Spectre and Meltdown patches should be applied to hyper-converged and other software-defined storage products that run on hosts with user installed application processes.  Continue Reading

• Hyper-converged vs. converged labels don't apply to some products

  Converged and hyper-converged infrastructure labels are becoming less clear as vendors such as NetApp and Datrium introduce products that allow for scaling components separately.  Continue Reading

• How Red Hat assembled an open source hyper-converged platform

  By combining Gluster Storage with its Red Hat Virtualization software, Red Hat has thrown its own cap into the software-only HCI ring with an open source offering.  Continue Reading

• The role of HCI in the hyper-converged cloud

  HCI and the cloud have virtualization at their cores, which makes the two platforms a good combination for organizations planning a hybrid cloud IT architecture.  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

• With Btrfs file system gone in RHEL 8, look at alternatives

  In the XFS, Ext4, Btrfs and ZFS comparison, Linux users will say goodbye to Btrfs in RHEL 8. Learn more about your options and what can fill the gaps once development halts.  Continue Reading

• How to choose a live kernel patching extension

  Ksplice and kpatch offer similar live kernel patching services on a Linux system, but differences between function-level services and technical support showcase their differences.  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

• Seven hyper-converged software options for DIY HCI

  If your company already has hardware that you want to turn into a hyper-converged infrastructure stack, you can do it with one of these software-only options.  Continue Reading

• What should my dimensions be for a data center building design?

  Don't get hung up on data center dimensions in the design phase. Focus on length-to-width ratios to get the most out of data center space, power and cooling.  Continue Reading

• Use a Linux file system journal for data integrity, performance

  Understand the three different file system journaling modes for Linux, as well as which mount option provides the best levels of data protection and performance.  Continue Reading

• Five data center certifications admins need to know

  Data center certifications, including those from VMware and Cisco, can provide a career boost for admins. Consider taking one of these five exams to expand your knowledge.  Continue Reading

• Consider these Linux I/O scheduler options for storage performance

  To optimize Linux performance, IT teams should examine the I/O scheduler currently in use, and evaluate alternatives, such as deadline and Completely Fair Queuing.  Continue Reading

• Build a data center shutdown procedure to prepare for the worst

  A data center shutdown checklist helps IT teams focus on backup, testing and system verification before pulling the plug and losing valuable information.  Continue Reading

• Compare benefits of a blade server architecture vs. hyper-convergence

  To determine if a series of blade servers is the right call for more condensed compute in your data center, evaluate its benefits compared to hyper-convergence.  Continue Reading

• Optimize mainframe processor performance with vertical polarization

  To increase mainframe processor capacity and speed, IBM turned to vertical polarization. Learn how to take advantage of it through a feature called HiperDispatch.  Continue Reading

• When moving servers to a colocation facility, planning is key

  Moving servers off premises to a colocation facility can be a daunting task. Use these best practices to minimize downtime to ensure a seamless transition.  Continue Reading

• Manage Btrfs snapshots with the SUSE Snapper utility

  Learn how to use Btrfs snapshots with Linux utilities, such as Snapper and GRUB2, to revert back to previous states in the event of a configuration mishap.  Continue Reading

• Before leaving a system administrator job, don't burn any bridges

  Leave on good terms from your system administrator job to avoid burning bridges and to keep a good reputation in the industry. Here are some things to consider before your move.  Continue Reading

• Three interface options for remote server monitoring, management

  Remote server management interfaces, such as IPMI, iDRAC and iLO, give data center admins a central location to monitor fan speeds, power supply status, temperature and more.  Continue Reading

• Three types of mainframe monitoring tools to track performance

  Mainframe users face a variety of options when it comes to system monitoring tools. Determine if a real-time, near-time or post-processor tool is the best fit for your IT needs.  Continue Reading

• Five tools to enable Linux automation, monitoring and backup

  When it comes to Linux data center tools, there is no shortage of options. For automation, backup and monitoring, consider these five Linux tools first.  Continue Reading

• Construct a winning data center project plan

  Before embarking on new data center projects, such as an upgrade or move to the cloud, clearly define all goals and expectations -- and not just for IT.  Continue Reading

• Six helpful Linux networking commands to monitor connectivity

  There are plenty of useful Linux tools to help in the event of a network connection failure. Here are six of the top commands to stay ahead when trouble occurs.  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

• Draw up a data center network diagram you'll actually use

  Creating a data center network diagram is time-consuming but necessary work. Keep the scope narrow and know the priorities of your diagram to save time and energy.  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

• Ten server deployment checklist considerations

  Use this server deployment checklist to make sure you've covered all your bases. From power distribution outlets to available network connectivity, server deployment can be an arduous process.  Continue Reading

• The Linux ip command makes network config easy

  The Linux ip command makes monitoring a Linux network configuration easy, but you need to know what to look for.  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 humidity recommendation falls dramatically

  An ASHRAE study's conclusions are disproving the conventional wisdom around data centers' relative humidity levels.  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

• Checklist of IT KPIs for responsive data center ops

  The right metrics, aligned with business needs, strengthen data center monitoring and capacity planning. KPIs orient IT performance to specific goals.  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

• 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

• Linux network configuration turns positively wicked

  Wicked replaces a lot of old Linux network configuration commands and utilities in SLES 12, making the OS more cloud friendly.  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

• Data center maps lead IT to server treasure

  Can't find the server that needs repairs or the right reboot button when the host blue-screens? A data center map is vital when disaster hits.  Continue Reading

• A data center checklist for facility design and IT ops

  Choose the right data center provider or facility now, and prevent costly errors and inadequate services later.  Continue Reading

• Create a SAN with the Linux LIO iSCSI target

  With the LIO iSCSI target service, Linux shops have an affordable SAN option that ranks up there with expensive proprietary storage solutions.  Continue Reading

• In-rack and in-row cooling options for any data center

  Say no to CRAC and consider more selective data center cooling options. In-rack and in-row cooling systems are efficient and optimally dispel heat.  Continue Reading

• Centralized versus rack-mount UPS in telecom rooms

  How does a rack-mount UPS stack up against a central data center UPS for telecom rooms? Money doesn't necessarily mean power.  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

• Mount file system Linux systemd's way

  Forget about /etc/fstab and autofs. There's a new Linux system around. Systemd manages mounting and automounting of file systems differently.  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

• What to look for in a Tier III data center provider

  Don't believe just any sweet-talking colo provider claiming to be Tier III. Make sure you're getting what you pay for with a true Tier III data center.  Continue Reading

• DevOps and Agile IT save mainframe training from skills quagmire

  The problem isn't that new hires aren't familiar with the complex, custom daily tasks of mainframe ops. The problem is that you're still doing them.  Continue Reading

• Linux boot options in RHEL, SLES help ailing servers

  Is your server not booting correctly? Does it need crucial recovery tasks? Linux boot options with GRUB2 and systemd can help.  Continue Reading