why virtualize servers

With the development of Internet information technology, computers have been applied in all corners of the world. Many enterprises rely on IT technology to build their own information systems and business operation platforms, and provide services to many customers through one or more servers. This method has brought a lot of convenience to people, however, this open environment also increases the risk of information security and easily leads to inform

Windows File Servers play a vital role in the network. They carry sensitive files, databases, passwords, and so on. When the file server goes down, the network is likely to be paralyzed. If they are damaged, it is equal to opening Pandora box. The following is a real case of hacker attacks on the file server. Share with you the situation and how these vulnerabilities are exploited to damage the system-from the perspective of a hacker. This will help y

How to Learn about Linux servers? -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. I am a freshman majoring in computer science and want to develop in Linux servers in the future. I have a few questions. 1. Now I can only build most of the servers on RHEL5, with some basic network configurations.

servers; We all know that each machine in the Windows network can be a file sharing server or a client, and Samba can do the same, for example, a Linux machine, if the Samba server is mounted, it can act as a shared server, and can also be used as a client to Access Windows shared file systems in other networks, or other Linux sabmba servers; In Windows network, we can see the shared file function, we can

To provide comprehensive security protection for Web servers and applications in the organization's company's Intranet, every Microsoft Internet Information Service Server (IIS server) should be protected) and each Web site and application running on these servers is not infringed on the client computers that can connect to them. In addition, the Web sites and applications running on all these IIS

PHP allows multiple servers to share SESSION data. 1. websites with a slightly larger problem generally have several servers. each server runs modules with different functions and uses different second-level domain names, for a website with a strong integrity, the user system is unified, that is, a set of user names and passwords can be used to log on to all modules of the website. Each server shares user d

The SQLServer remote server does not exist. It is not specified as a valid Publishing Server, or you do not have permission to view available publishing servers. sqlserver does not exist. When a transaction release is created and an error occurs during initialization, view the agent information as follows: Log Reader Agent error: Status: 0, code: 20015, text: 'remote server "serverName" does not exist, is not specified as a valid Publishing Server, o

Technical support analysts often complain about high server loads. In fact, cPanel software and its installed applications rarely cause high server load. The server owner, system administrator, or server supplier should conduct a preliminary investigation on the high load status, and seek help from analysts after confirming that the situation is complex. Why is the high server load? Excessive use of the following items will directly cause high load problems: CPU Memory (including virtual memo

BKJIA exclusive Article] how to optimize your Linux production server? Based on practical experience, this article summarizes nine key points for optimizing Linux production servers. If you have not used some methods, try again. I. Time Synchronization The time requirements of servers in the production environment are accurate. My email server's dovecot service often stops services automatically due to time

Use ansible to manage remote servers in batches.Use ansible to batch manage remote server background Local management of a batch of remote servers is required, mainly to execute the following tasks: 1) Copy local files to all remote servers;2) execute commands on the remote server; The paths of the remote server are not completely consistent. Generally, access is

DNS (Domain Name Server) is a huge distributed database that provides a specified Domain information through the Domain Name Server for Domain Name resolution. The Domain Name Server is responsible for converting the Domain Name to an IP address. It is impossible to put all Domain Name Information in the Internet on the same computer. Therefore, the DNS system uses a tree structure to store domain name information of different levels on different domain name

In the course of learning the DHCP protocol, we may find many important points, especially the use of DHCP servers. Here we will mainly introduce how the DHCP server automatically assigns IP addresses to the DHCP Client and how the DHCP Service implements DHCP relay proxy across subnets. Principle of automatic IP Address Allocation for a DHCP service DHCP uses the Client/Server) model. The Network Administrator establishes one or more maintenance TCP/

BKJIA exclusive original] An accident occurs on the Web server, such as a network virus or Trojan attack, or hardware damage on the server host. To restore the Web server to normal in the shortest time, the most effective method is to restore the previously backed up Web server data directly. However, this method requires us to back up important data on the Web server in a timely manner. Unfortunately, many network administrators cannot manually back up Web