Servers Ultimate Download

Strictly speaking, the term server refers to a computer program or process (running program). Through metonymy, it refers to a device used for (or a device dedicated to) running one or several server programs. On a network, such a device is called a host. In addition to server, the words serve and service (as verb and as noun respectively) are frequently used, though servicer and servant are not.[a] The word service (noun) may refer to the abstract form of functionality, e.g. Web service. Alternatively, it may refer to a computer program that turns a computer into a server, e.g. Windows service. Originally used as "servers serve users" (and "users use servers"), in the sense of "obey", today one often says that "servers serve data", in the same sense as "give". For instance, web servers "serve [up] web pages to users" or "service their requests".

The name server is used both for the hardware and software pieces. For the hardware servers, it is usually limited to mean the high-end machines although software servers can run on a variety of hardwares.

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Since servers are usually accessed over a network, many run unattended without a computer monitor or input device, audio hardware and USB interfaces. Many servers do not have a graphical user interface (GUI). They are configured and managed remotely. Remote management can be conducted via various methods including Microsoft Management Console (MMC), PowerShell, SSH and browser-based out-of-band management systems such as Dell's iDRAC or HP's iLo.

Large traditional single servers would need to be run for long periods without interruption. Availability would have to be very high, making hardware reliability and durability extremely important. Mission-critical enterprise servers would be very fault tolerant and use specialized hardware with low failure rates in order to maximize uptime. Uninterruptible power supplies might be incorporated to guard against power failure. Servers typically include hardware redundancy such as dual power supplies, RAID disk systems, and ECC memory,[10] along with extensive pre-boot memory testing and verification. Critical components might be hot swappable, allowing technicians to replace them on the running server without shutting it down, and to guard against overheating, servers might have more powerful fans or use water cooling. They will often be able to be configured, powered up and down, or rebooted remotely, using out-of-band management, typically based on IPMI. Server casings are usually flat and wide, and designed to be rack-mounted, either on 19-inch racks or on Open Racks.

These types of servers are often housed in dedicated data centers. These will normally have very stable power and Internet and increased security. Noise is also less of a concern, but power consumption and heat output can be a serious issue. Server rooms are equipped with air conditioning devices.

A server farm or server cluster is a collection of computer servers maintained by an organization to supply server functionality far beyond the capability of a single device. Modern data centers are now often built of very large clusters of much simpler servers,[11] and there is a collaborative effort, Open Compute Project around this concept.

A mobile server has a portable form factor, e.g. a laptop.[12] In contrast to large data centers or rack servers, the mobile server is designed for on-the-road or ad hoc deployment into emergency, disaster or temporary environments where traditional servers are not feasible due to their power requirements, size, and deployment time.[13] The main beneficiaries of so-called "server on the go" technology include network managers, software or database developers, training centers, military personnel, law enforcement, forensics, emergency relief groups, and service organizations.[14] To facilitate portability, features such as the keyboard, display, battery (uninterruptible power supply, to provide power redundancy in case of failure), and mouse are all integrated into the chassis.

On the Internet, the dominant operating systems among servers are UNIX-like open-source distributions, such as those based on Linux and FreeBSD,[15] with Windows Server also having a significant share. Proprietary operating systems such as z/OS and macOS Server are also deployed, but in much smaller numbers. Servers that run Linux are commonly used as Webservers or Databanks. Windows Servers are used for Networks that are made out of Windows Clients.

In 2010, data centers (servers, cooling, and other electrical infrastructure) were responsible for 1.1-1.5% of electrical energy consumption worldwide and 1.7-2.2% in the United States.[17][needs update] One estimate is that total energy consumption for information and communications technology saves more than 5 times its carbon footprint[18] in the rest of the economy by increasing efficiency.

How Lenovo helped the LCR Group, a Qube Company, bring cloud computing underground with a new hyperconverged infrastructure using Lenovo ThinkAgile HX3320 cluster and ThinkSystem SR550 servers at their disaster recovery site to protect their data.

Lenovo rack servers deliver high value with a small, organized footprint. These servers are easily expandable and scalable, while able to handle most data center workloads. Our rack servers are ideal for medium to large businesses that are preparing to scale and need to meet mission-critical demands. The vast memory and storage capacity should be more than enough for your business needs.

Rack servers are highly agile by design, providing the modern enterprise with capabilities that allow network storage support for dedicated server (network), DNS server, or even GPU-rich server configurations.

Lenovo blade servers are the most advanced servers on the market today. As the workhorses of the server market, our blade servers are meant to streamline operations and conserve as much space as possible. A Lenovo blade server has up to 80% better density than a standard rack server deployment, which makes it highly effective with a smaller footprint. Blade servers can be the foundation for your on-premise cloud server or virtualization server environment, with on-board networking and dense memory deployments. We pride ourselves on high-performing 2-socket and 4-socket blade servers that feature strong security, efficiency, and reliability. Our networking and chassis options are designed to accommodate any business needs.

Our mission critical servers offer "always-on" reliability and multiple layers of resiliency, so you can sleep at night without worrying about your system's integrity. These servers combine stellar performance with constant uptime in a unique and modular frame. They'll meet (and exceed) your organization's needs, with enough space for eight CPUs in an intuitive design that's easy to upgrade and service. Only the best for your business.

In our modern age, your servers should have a modern design. With our high-density servers, even the most technical simulations can be performed with gusto. These dense systems pack a punch for all your artificial intelligence, cloud, grid, and analytics needs. Designed to be scalable, our unique water-cooled systems maximize density while putting security first.

A virtual server is a virtual representation of a physical server. Like a physical server, a virtual server includes its own operating system and applications. These are kept separate from any other virtual servers that might be running on the physical server.

An administrative console gives administrators the ability to allocate specific hardware resources to each virtual server. This helps dramatically drive down hardware costs because a single physical server can run multiple virtual servers, as opposed to each workload needing its own physical server.

There are both similarities and differences between desktop computers and servers. Most servers are based on X86/X64 CPUs and can run the same code as an X86/X64 desktop computer. Unlike most desktop computers, however, physical servers often include multiple CPU sockets and error correcting memory. Servers also generally support a far greater quantity of memory than most desktop computers.

Because server hardware typically runs mission-critical workloads, server hardware manufacturers design servers to support redundant components. A server might be equipped with redundant power supplies and redundant network interfaces. These redundant components allow a server to continue to function even if a key component fails.

Server hardware also differs from desktop hardware in terms of its form factor. Modern desktop computers often exist as mini towers, designed to be placed under a desk. Although there are still some vendors that offer tower servers, most servers are designed to be rack mounted. These rack mount systems are described as having a 1U, 2U or 4U form factor, depending on how much rack space they occupy -- a 2U server takes up twice as much rack space as a 1U server.

Some Windows 10 editions include Hyper-V, Microsoft's virtual machine platform. Even though both Windows 10 and Windows Server can run Hyper-V, Windows 10's hypervisor is intended to be primarily used for development purposes, whereas the version of Hyper-V included with Windows Server is designed for running production virtual servers.

Servers are made up of several different components and subcomponents. At the hardware level, servers are typically made up of a rack mount chassis containing a power supply, a system board, one or more CPUs, memory, storage, a network interface and a power supply.

Many organizations are shrinking the number of physical servers in their data centers as virtualization enables fewer servers to host more workloads. The advent of cloud computing has also changed the number of servers an organization needs to host on premises.

The Eland server line now boasts up to 128 Cores per socket, while also experiencing substantial improvements in memory, storage, and expansion. These enhancements greatly benefit the total cost of ownership, making Eland servers a powerful and cost-effective solution. ff782bc1db