Servers are no longer so unfamiliar to most people. Now companies use servers in many situations. For example, web servers and print servers are more applications that we come into contact with daily. As for the understanding of the server, many people probably just stay on the surface and treat it as a relatively advanced computer. In fact, there is still a big difference between a server (what is a server) and an office PC. For example, the server can continue to work 7*24, and if it is a PC, I believe that the performance of the machine will be greatly reduced or even scrapped in a short time.
A few days ago, a classmate who worked as a corporate network manager called me to complain. He was originally responsible for the company’s network management, but because the company wanted to build a corporate website and purchase servers, he was arranged by his boss to be responsible for the purchase and maintenance of the servers. However, the server that has just been bought for a short time now always has various problems. The corporate website cannot be accessed normally, which makes him miserable and makes the boss no longer trust him.
The above students did not fully understand the server knowledge, and the purchased server did not meet the business needs of the enterprise, which caused the business to fail to operate normally. Maybe give him another chance. I think he will fill up his server knowledge and fully understand the server’s precautions so as to avoid the current mistakes.
In fact, with the development of office equipment, people will gradually purchase and use enterprise servers. Understanding the various performances of servers will play an extremely important role in subsequent adoption and applications. And this article will give you a detailed introduction to the server knowledge, including server hardware, software, network, security and other aspects, so that you can understand the server more clearly.
Precautions for server hardware purchase
Server hardware:
Only a good hardware system can guarantee the continuous operation of the business of the enterprise. Even if you rent a server and cannot see the specific software, you cannot ignore the hardware details of the server. When you buy a server, you have to consider the server’s processing power, memory, storage capacity, and backup storage, etc., but you don’t just pay attention to this point. You should also consider the equipment’s security features, heat dissipation, and environmental protection. Responsibility, and network infrastructure.
In general, the internal structure of the server should pay attention to the specific performance when we buy it. Don’t be misled by the name and code of the device. For example, when you buy again, you will be told the number of processors and hertz, but this does not mean that there are too many. The performance must be strong. You should refer to it as much as possible and compare the performance of the server by shopping around.
In addition, do you have to consider when the equipment is equipped with a redundant power supply? Use own cooling function? Can the hardware support hot swap? Are there areas that do not support redundant disaster preparedness? You also need to consider whether their compatibility can meet the needs of the enterprise? These are all things you need to consider. In the server market, IBM, Dell, and Hewlett-Packard firmly occupy the mainstream market in China. In terms of processing, there are two server CPUs, Intel Xeon and AMD Opteron. At present, Intel is the preferred CPU in the mainstream market. But AMD also has this good price/performance ratio.
The importance of server operating systems
Server operating system:
There are many operating systems on the server market, and they all have their own advantages and disadvantages. Not all systems are the same, but you can judge which system you need to choose based on the following aspects:
1. The type of hardware you will use
2. The software system requirements you need to install
3. Web application assembly language and database you want to use
4. Software limited by your budget
5. The purpose and goals of your server
At present, the mainstream operating systems on the market are Windows, Linux and Unix. You need to choose the operating system according to your needs. For example, you need a specific software, and this software supports running on Windows systems, which will limit your choices. , Unless you use virtualization technology. And when you don’t have much budget, you can choose the open source CentOS free operating system. If you don’t have your own strong maintenance capabilities, you can also choose Red Hat Enterprise Edition.