Is a one of the trusted provider of information technology (IT) services and software solutions. With 9 years of solid experience in Information Technology field, I specialize in delivering high class IT solutions that addresses all client requirements from a simple IT infrastructure to complex data center.
Provide high quality services to clients in a sustained manner, thus building long term relationships.
Working in a virtual environment, I feel that a key component to a successful project is proper and accurate communication.
MICROSOFT CERTIFIED IT PROFESSIONAL (MCITP)
MICROSOFT CERTIFIED SYSTEM ADMINISTRATOR (MCSA) : ENTERPRISE MESSAGING
MICROSOFT CERTIFIED SYSTEM ADMINISTRATOR (MCSA) : ACTIVE DIRECTORY
RED HAT CERTIFIED ENGINEER (RHCE) : LINUX ADMINISTRATION
CISCO CERTIFIED NETWORK ASSOCIATE : ROUTING AND SWITCHING
VMWARE CERTIFIED PROFESSIONAL (VCP) : VSPHERE DATACENTRE & CLOUD INTEGRATION
NOVELL CERTIFIED LINUX ADMINISTRATOR (NCLA) : SUSE ENTERPRISE SERVER
If there's one technology that can greatly improve computing environments of any size, it's virtualization. By using a single physical server to run many virtual servers, you can decrease operational costs and get far more bang for your buck. Whether your company is a 2-server or 2000-server shop, you can benefit from server virtualization in a variety of ways. The best part? You can do it cheaply and easily. The reasons to virtualize even a small infrastructure come down to ease of administration and cost reductions. Cost reductions come from cutting down the number of physical servers, thus reducing the power and cooling requirements, but they also come in the form of greatly reduced expansion. Rather than having to purchase new hardware to support a new business application, all you need to do is add a new virtual server. If your business has only a single server, virtualization isn't likely to buy you much, but if you have more than two servers or if you plan on expanding anytime soon, virtualization can likely make a difference. It's impossible to purchase a server today that isn't multicore, but many small-business server requirements simply don't call for that much horsepower. The end result is a relatively expensive server that does very little but still consumes power and generates heat. That's why using a multicore server--that is, a server that has 4, 6, or 12 processing cores on a single CPU--to host several virtual servers makes sense, no matter what size your company is. The Host Server The key to successfully virtualizing servers in a smaller environment starts with the physical host server, the box that will run multiple virtual servers. Even though this one server will be responsible for hosting possibly dozens of virtual servers, it will require far fewer CPU resources than you might assume. Depending on the virtualization software in use--VMware, Microsoft's Hyper-V, Citrix XenServer, or another package--you will likely be able to run a surprising number of virtual servers on a four- or six-core CPU. The reason is that generally most servers run near idle a significant portion of the time. When they are tasked with work, their resources tend to be spread out among the RAM, CPU, disk, and network input/output, with only a subset of the virtual servers actually requiring significant CPU resources. By taking advantage of this law of averages, you can consolidate a considerable number of physical servers onto a single host server. That isn't a hard and fast rule, however. Some servers, such as database servers, run heavier loads on a more consistent basis, and may not be suitable candidates for virtualization in a smaller infrastructure. It all depends on the hardware resources available to the host server, on the virtualization software features, and on the requirements of the virtual server. Fortunately, setting up and testing these requirements beforehand isn't difficult. The first order of business when approaching a small virtualization project is to choose the hardware. Generally you'll start out with only a single server, so try to get the best mix of resources possible within budget. A good rule of thumb is that having more cores in the host server trumps higher clock speeds, so if you have a choice between a 4-core CPU running at 2.93GHz and a 6- or 12-core CPU running at 2.4GHz, you'll be better off with the latter option. That's because the capability to spread the virtual-server load across more CPU cores typically translates into faster, more consistent performance across all the virtual machines. Think of it as needing a dump truck (which isn't that fast) instead of a sports car (which is faster but can haul far less than the dump trunk can). RAM and Storage Once you make the CPU decision, the next area to consider is RAM. Virtualization host machines can always use more RAM, so get as much as you can, and select the fastest RAM possible. It's relatively straightforward to oversubscribe CPU resources--or allocate more virtual CPUs to the virtual servers than physically exist within the host server--but it's far more difficult to oversubscribe RAM. The more RAM you have available, the more virtual machines you'll be able to run. That's especially true if you're running certain hypervisors (which are responsible for managing all virtual servers) that do not offer shared memory features. Some require that a fixed amount of RAM be presented to each virtual server, and that the RAM is allocated in its entirety. Other, more advanced setups can determine when identical memory segments are present in multiple virtual servers and map that memory accordingly, allowing more RAM to be allocated to the virtual servers than exists within the host. Either way, always go for more RAM when possible. The third factor to consider is storage. In smaller environments you may not have a storage area network (SAN) or a network attached storage (NAS) device to hold the virtual server images, so the host server will be responsible for the task. In that case, more disks are better, within reason. For general purposes, SATA drives in a RAID 5 or RAID 6 array will suffice, although SAS drives will always provide increased performance. If at all possible, ensure that the physical server has a RAID controller that supports RAID 5 or RAID 6, and plan your storage accordingly.
VMware Infrastructure is a full infrastructure virtualization suite that provides comprehensive virtualization, management, resource optimization, application availability, and operational automation capabilities in an integrated offering. VMware Infrastructure virtualizes and aggregates the underlying physical hardware resources across multiple systems and provides pools of virtual resources to the datacenter in the virtual environment. In addition, VMware Infrastructure brings about a set of distributed services that enables fine‐grain, policy‐driven resource allocation, high availability, and consolidated backup of the entire virtual datacenter. These distributed services enable an IT organization to establish and meet their production Service Level Agreements with their customers in a cost effective manner.
Virtual Desktop Infrastructure (VDI) is a desktop-centric service that hosts user desktop environments on remote servers and/or blade PCs, which are accessed over a network using a remote display protocol. A connection brokering service is used to connect users to their assigned desktop sessions. For users, this means they can access their desktop from any location, without being tied to a single client device. Since the resources are centralized, users moving between work locations can still access the same desktop environment with their applications and data. For IT administrators, this means a more centralized, efficient client environment that is easier to maintain and able to respond more quickly to the changing needs of the user and business
Windows is a major and vast platform for IT services. Preferring Windows Platform is better Choice if Cost doesn't matter for your company. Here is the Components at Windows Infrastructure. Active Directory Certificate Services Active Directory Domain Services DirectAccess Dynamic Datacenter Exchange Online—Evaluating Software-plus-Services Exchange Server 2010 File Services Forefront Identity Manager 2010 Forefront Unified Access Gateway Internet Information Services (IIS) Malware Response Microsoft Application Virtualization 4.6 Microsoft Enterprise Desktop Virtualization Print Services Remote Desktop Services Selecting the Right NAP Architecture Selecting the Right Virtualization Technology SharePoint Online—Evaluating Software-plus-Services SharePoint Server 2010 SQL Server System Center Configuration Manager 2007 R3 and Forefront Endpoint Protection System Center 2012 - Data Protection Manager System Center Data Protection Manager 2007 SP1 System Center 2012 - Operations Manager System Center Operations Manager 2007 System Center 2012 - Service Manager System Center Service Manager 2010 System Center 2012 - Virtual Machine Manager System Center Virtual Machine Manager 2008 Terminal Services Windows Deployment Services Windows Optimized Desktop Scenarios Windows Server Virtualization Windows User State Virtualization
Five Things to Watch Out For in a Data Center Migration First, hidden complexity will hit you. You probably do not know all of the back-end attachments to the primary applications you are going to be moving. There are legacy applications sitting in your current data center that are older than you. It is never too early to start a detailed inventory with your business customer to track everything down and make sure you have an owner. All the information you discover needs to find its way into a CMDB type database—not a spreadsheet on someone’s laptop. Second, post-migration testing is a challenge. But, since you are talking to your customers to map things out, you have an excellent excuse to start the conversation about how they are going to test the applications before and after the migration. (Why before? Like any doctor, you need a baseline on your patient. You need to know how things actually work, not how folks think they do.) Enlist network staff to time performance end-to-end on a specific set of transactions on key applications. Document those tests, then repeat them after the migration. Nothing stifles whiny end users better than facts. Third, migration breaks regular work schedules. Start informing your end users and support teams that some of them will be putting in overtime to do the QA needed to support the migration. Let’s face it, you’ll be constrained on when you can move certain applications because of application owner freezes and critical process times. The migration scheduling alone will require months of planning. It is never too early to start, but expect overruns in overtime. Fourth, application delivery optimization (ADO) is fragile. If you use load balancers or optimizers (two different ADO technologies) you’ll have to peel back the layers of their configurations and understand how you are going to manage the migrations. This may require some additional investment for duplicate hardware you weren’t expecting. Look for changes you can make in the current configurations to build greater modularity. That requires a plan for the migration to be worked out. Fifth, what’s buried isn’t usually treasure. Somewhere in all those applications and back-end databases you will find some hardwired IP address or domain names. Not only should you start ferreting them out at once, but you can also use this opportunity to position yourself for IPv6 readiness. That means you should have an IPv6 strategy worked out and use it as a reference during the application and network component review.
Integration: The Cloud's Big Challenge There's an elephant in the cloud. And that elephant is integration. Although cloud evangelists are quick to point out the benefits of cloud computing technologies, enterprise leaders have identified integration as a major obstacle to successfully adopting and deploying Software as a Service (SaaS) and other web-based applications. In a recent survey conducted by consulting firm Saugatuck Technology, 32% of respondents indicated that integration between SaaS and on-premise legacy applications is a top concern, second only to data security and privacy at 39%. Of the 270 executives surveyed by technology analyst Gartner, 56% cited integration as the primary reason for choosing to transition from a SaaS solution to an on-premise solution. While SaaS applications promise greater flexibility and lower costs, they also present new challenges to the enterprise. With the procurement of each new SaaS application, enterprise data becomes segregated into cloud silos, a problem exacerbated by the increasing number of vendors in the SaaS market and the ease of obtaining such services. The adoption of other cloud computing models such as Platform as a Service (PaaS) and Infrastructure as a Service (IaaS) and the growing popularity of mobile applications and social media platforms means that additional data and processes are also moving outside of the firewall and into the cloud. In light of these recent developments, enterprise leaders need to think about how their applications will talk to each other and devise effective strategies for integrating both within the cloud and between the cloud and enterprise. Integration, of course, raises another set of questions. The following points are worth keeping in mind when considering cloud integration solutions: Security: remains a concern for cloud users and is complicated by the challenge of integration. A cloud integration solution must be capable of authenticating and authorizing access to resources, both in the cloud and on-premise. Moreover, it needs to be able to encrypt and store data (particularly in a multitenant environment) and comply to different regulations such as PCI and Sarbanes-Oxley. With the growing number of SaaS applications, mobile apps and social media services that need to access enterprise data, there needs to be a secure means of connecting the cloud to the enterprise without compromising the firewall. Flexibility and Scalability: Point to point integration solutions can provide basic SaaS to SaaS connectivity, but they are not sophisticated or flexible enough to handle more complex scenarios. Cloud integration solutions must be able to support a variety of integration flows moving in both directions across the cloud and enterprise and scale up as the number of endpoints increases. Management: For enterprise users, SaaS applications offer convenience and ease of use while shifting the burden of maintenance and upgrades to the provider. The trade-off, however, is that users have much less visibility and control over their SaaS applications, especially when it comes to integration. Cloud integration solutions should include rich monitoring capabilities in order to provide the visibility and control over information flows and other performance attributes currently lacking in SaaS applications. Open Platform: Some SaaS vendors have started to offer out of the box connectors to address the integration challenges of deploying a cloud strategy. Unfortunately, as many system administrators who tackled integration challenges during the pre-cloud era are likely aware, using an integration solution from an application vendor limits the ability of enterprises to freely choose and manage the IT solutions that best fit their needs. Ideally, cloud integration solutions should be open platforms that allow enterprises to easily migrate on or off and seamlessly integrate their applications and data. In spite of the daunting challenges of cloud integration, new solutions are on the rise. Integration Platform as a Service (iPaaS) is a model of provisioning integration services as a standalone platform. iPaaS solutions can carry out a variety of integration patterns--not just point to point--and provide a secure means of accessing the enterprise. As a cloud-based solution, it also shares the flexibility and scalability of other cloud services. Perhaps most important of all, iPaaS serves as a central point of interaction for different applications and services across the cloud and enterprise. Although iPaaS is still in its early stages, it promises to meet, if not exceed the challenge of integrating in and with the cloud.
We now offer Windows Server 2012 the successor to Windows server 2008. You can get the newest installment of the Windows operating system with instant setup for only € 19 a month at Snel.com. Windows Server 2008 Standard edition will still be available to our customers. With Snel.com you can experience the benefits and improved features of Windows Server 2012. Let’s find out a few benefits of this latest edition. Simple management One of the great things about Windows Server 2012 is that it comes with an easy to use Dashboard interface. As administrator you can take complete control of all crucial management functions. This OS offers an intuitive graphical user interface with point and click controls that can help users find information, view warning messages and perform some of the most commonly-used actions. Storage Pools There is a lot of new storage and networking technology integrated into the OS. With Storage Pools you can place your USB, internal and external hard drives into one pool. From there you can create virtual disks of any size. You can add new disks any time and the space can be larger than the physical capacity of the pool. When you add new drives, the space automatically uses the extra capacity. With RAID options 0,1 and 5 your data can be saved in a faster and more reliable way. Hyper-V Replication The edition of Hyper-V that comes with Windows Server 2012 is designed to compete head-to-head with current market leader VMware. Hyper-V Replica which is a replication mechanism at a virtual machine level. Hyper-V Replica can simultaneously replicate a selected VM running at a primary site to a designated replica site across LAN/WAN. Take advantage of the improved features and increased power efficiency of this OS at favourable prices!
What is Linux? Linux is an Open Source operating system, which powers a large proportion of technology today - from website servers to televisions and smartphones. Pretty much every time you surf the internet you'll be passing through several devices which run Linux. Why is Linux so popular? Linux has always been designed to run with minimal hardware requirements which means that it can run on old computers, but also that it runs extremely efficiently on high powered computers. Linux is also supported by a worldwide team of developers, who respond extremely quickly to any reports of vulnerabilities and bugs - Linux machines are very rarely infected by viruses or trojans as a result. Aren't there different types of Linux? There are many 'flavours' of Linux, each with their pros and cons. The beauty of Open Source technology lies in the fact that it is adaptable to meet needs - which is where many of these distributions come from. Some of the distributions we work with regularly include Kubuntu (our office is powered by Kubuntu); Centos (Most of our web servers run Centos); Redhat; Debian and Gentoo.
In the majority of enterprises, Microsoft’s Active Directory (AD) is the authoritative user directory that governs access to key business applications. SaaS applications were developed with their own native user directories and because they run outside of the firewall, are typically beyond the reach of Active Directory. As a result users have to remember multiple usernames and logins and IT has to create, manage and map user accounts in AD and across their SaaS applications. Clearly these applications must be integrated with Active Directory in order to accelerate their adoption. Okta offers the industry’s most complete, robust and easy to use Active Directory single sign-on integration. Simple Set Up and Configuration Intelligent User Synchronization Robust Delegated Authentication Integrated Desktop Single Sign-On Security Group Driven Provisioning One Click Deprovisioning Self Service Password Reset
LightSwitch applications can be deployed to a variety of environments in a couple different ways. You can deploy the client as a Desktop application or a Web (browser-based) application. A Desktop application runs outside the browser on a Windows machine and has access to the computer storage and other running applications. Users see a desktop icon to launch the application like any other Windows application. A Web application runs inside the browser and does not have full access to storage or other applications on the machine, however, a Web application can support multiple browsers and run on Mac as well as Windows computers. imageIf you select a desktop application you can choose to host the application services locally on the same machine. This creates a two-tier application where all the components (client + middle-tier) are installed on the user’s Windows computer and they connect directly to the database. This type of deployment avoids the need for a web server and is appropriate for smaller deployments on a local area network (LAN) or Workgroup. In this situation, the database can be hosted on one of the clients as long as they can all connect directly.
When your web application has been tested, it is ready to be moved from the development server to be deployed on the production server. The production server is where your users see the live Web application. Correct deployment ensures your end users have access to a properly functioning version of the Web application. The fact that we provide 24x7 technical support to some of the largest hosting companies in the world, and have been doing so for over 12 years now, means that we have huge experience of deploying applications to a wide variety of server environments. Web-based software applications can be deployed on Cloud Environments or on Dedicated, Virtual or Shared Servers. Mobile applications need to be deployed to their respective App Stores depending on the mobile platform.
High-availability clusters (also known as HA clusters or failover clusters) are groups of computers that support server applications that can be reliably utilized with a minimum of down-time. They operate by harnessing redundant computers in groups or clusters that provide continued service when system components fail. Without clustering, if a server running a particular application crashes, the application will be unavailable until the crashed server is fixed. HA clustering remedies this situation by detecting hardware/software faults, and immediately restarting the application on another system without requiring administrative intervention, a process known as failover. As part of this process, clustering software may configure the node before starting the application on it. For example, appropriate filesystems may need to be imported and mounted, network hardware may have to be configured, and some supporting applications may need to be running as well. HA clusters are often used for critical databases, file sharing on a network, business applications, and customer services such as electronic commerce websites. HA cluster implementations attempt to build redundancy into a cluster to eliminate single points of failure, including multiple network connections and data storage which is redundantly connected via storage area networks. HA clusters usually use a heartbeat private network connection which is used to monitor the health and status of each node in the cluster. One subtle but serious condition all clustering software must be able to handle is split-brain, which occurs when all of the private links go down simultaneously, but the cluster nodes are still running. If that happens, each node in the cluster may mistakenly decide that every other node has gone down and attempt to start services that other nodes are still running. Having duplicate instances of services may cause data corruption on the shared storage.