What is a server? At its core, it is a powerful computer that can perform various tasks without interruption and process information that comes in large streams. Often, server machines are installed in large companies. In terms of functionality and purpose, servers are completely different.
What is the server for?
Any company, especially a large one, can not do without its own server. The larger the company and the higher the number of users, the more powerful the computer will be. Why do I need a server? It stores common information resources and, thanks to its work, several computers can simultaneously have access to it, phones, faxes, printers and other devices that have access to a common network can be connected to it.
What is the difference between a server and a regular computer?
The difference between them is based on what tasks they perform. Under the computer understand the standard characteristics that have any PC at home or at work. What is a server is a computer, but performing only certain tasks, it must handle requests from other devices, as well as:
- Serve connected devices.
- Possess higher performance.
- Special accessories must be installed on it.
- It should ignore the graphics capabilities of the systems.
The difference between a server and a workstation is that the workstation is designed only to provide a quality work process. It does not interact with anyone except the operator and the server. The server also interacts with all machines that are connected to it on the network. He is able to accept requests, handle their processing and give answers.
How is hosting different from the server?
Understand this issue is not difficult. There are many different sites on the Internet. Data from the sites should be placed on the server, roughly speaking, on a hard drive that has an Internet connection. Having installed a site on it, the server maintains it. To optimize the server, which can not exist without software, you need hosting, services can be purchased on the Internet.
Hosting and server - what's the difference? You can host your own website. As the owner of the hosting, you can have your own server or rent it from a company. This is especially useful for those who have not yet encountered server operation and do not want to waste their time learning settings, trying something new by trial and error, keeping a close eye on the server and dealing with its software.
What do I need to create a server?
This is not an expensive pleasure that a large company can easily afford, but for a normal user this promises big financial costs. What does it take to make a server?
- to have an idea of what a server is;
- very good computer;
- own Internet channel, the speed should be high;
- stable operating system;
- assembly. It happens on two types of platform, it's Java and C ++;
- patience and desire.
What does the server consist of?
In comparison with the configuration of a conventional computer, it has several significant differences. The server machine consists of a central processor and a motherboard, only a few processors can be installed on the board, and many more slots are used to connect the RAM . What else is included in the server is the core, which is an important component of its operation.
What is the core of the server? It manages all processes of work and collects them into one. One of its main tasks is to interact with a wide variety of applications that are running in the normal user mode. In general, server computers are powerful machines, but they expend a lot of electricity, to save it, a number of functions of a conventional computer are not there.
What you need to know about servers
Exploring the work and purposes of such machines, you can distinguish the types of servers that differ in their type. Among the general number are the main ones:
- The mail server is designed to send and receive e-mail messages.
- A file server is required in order to store access to certain files.
- What is a media server, it is clear from the title. It serves to receive, process and send audio, video or radio information.
- What is the purpose of the database server? It is used to store and work with information, which is formed as a database.
- What is the terminal server used for? It gives users access to certain programs.
What does internal server error mean?
Each user at least once encountered a problem when, when the site is loaded, the message "500 internal server error" appears, which indicates that an internal server error has occurred. The number 500 is the HTTP protocol code. What is a server error? It is assumed that the server side of the server, although technically working, but contains internal errors. As a result, the request was not processed in the operating mode, and the system issued an error code. There can be a server error for a variety of reasons.
No connection to the server, what should I do?
Errors and problems in the complex operation of the system occur almost every day. Users often face the problem that the server is not responding. In this case it is necessary:
- Make sure that problems occur only with a particular server. Maybe it's a problem on the user's computer, its Internet connection or settings. You must restart the computer
- You must double-check the name of the requested web page or IP address. They could change or cease to exist.
- The reason for the lack of communication can be a security policy. The IP address of the computer can be blacklisted by the server.
- The ban can be on the user's computer. It may be that the address is blocked by the anti-virus program or corporate network at work.
- The connection error may be due to the fact that the request to connect to the server simply does not reach the destination because of problems in the intermediate nodes.
What is DDoS server attack?
A number of actions carried out in the network-Internet hackers, which lead to the fact that ordinary users can not access certain resources, called DDoS attack (Distributed Denial Of Service). What is DDoS server is when simultaneously from all over the world to the north, which is subject to attack, a large number of requests are received. Due to the huge number of false requests, the server completely stops its work, it sometimes happens that it can not be restored.