what is dns for

After the recent installation of MYSQL5 on a Linux server, local use of clients even the MySQL speed is very slow, local program connection is also very slow.Workaround: add skip-name-resolve under [mysqld] of the configuration file MY.CNF. The

The technical principle of CDN (content distribution network)Source: It World Network release time: 2011-11-15 14:25 read: 309 times original link full screen reading [favorites] 1. Foreword The rapid development of the Internet, to people's work

12, the network access configuration process: Linux is now generally in the boot will automatically configure the network card (wired network card or wireless network card), as long as the direct set of its IP (can use DHCP), subnet mask, the

Server | network | Conversion SUMMARY: This paper discusses the load balancing technology and load allocation strategy used by distributed network server, and realizes load balancing gateway on FreeBSD based on network address translation, which is

server| Access | data | Database access to MS SQL Server database under Linux ----Linux as a free Unix-like operating system, with its open source code, multitasking, Xwindow and other features for many users, and many enterprises adopt Linux to A

Absrtact: Unicom CDMA 1X Test Network is in Beijing, Shanghai, Guangzhou, Hangzhou, Chengdu, Nanchang, Hainan 7. It is based on 95A online equipment manufacturers distribution, and fully consider the future of the network upgrade of the various

PHP is so tightly integrated with Web pages that it's easy to forget that the language can also be used to perform other functions--Data encryption, window application and interface programming are three examples. Since network programming is the

Let's say your server IP is 211.147.9.106 1 First, you should know which DNS server is responsible for this IP's reverse domain name resolution. You can use this page to query reverse domain name resolution information http://www.dnsstuff.com/tools/

With the popularization of information life, online video games and the content of video-on-demand more and more rich, more and more attractive, user groups developed rapidly, forming a strong consumer power. According to statistics, the biggest

Now we'll enumerate the common ODBC functions in PHP3:Odbc_connect (Dns,user, pass);Returns a connection number that returns 0 if the connection fails.Odbc_pconnect (Dns,user,pass);Special connections, the connection is not disconnected after the

When we enter www.linux178.com in the address bar of the browser, and then go to the car, enter this moment to see the page in the end what happened. The following procedure is only a personal understanding: Domain name resolution--> initiate

A unit uses 3640 as the iOS DHCP Server, and the IP address of the FASTETHERNET0 port connected to the intranet is 192.168.1.4, the second-tier machine uses two 2950, the three-tier machine uses a Cisco 3550. There are two VLANs throughout the

One, host name-based virtual host Network environment: 1. When a browser accesses a host name-based virtual host, the access URL must be in the host name and cannot use the IP address 2. The mapping between host name and IP address must be

1. What is operation and maintenance? What is Game ops?1) operation and maintenance refers to the large-scale organization has established a good network hardware and software to maintain, is to ensure that the business of the line and operation of

Section 2 Department - Important directory structure detailed1.Review Linux directory structure knowledge/dev/Equipment Catalog/etc/System Configuration and service profile, starting the directory of commands/proc virtual file system showing kernel

System for CentOS 6.9,hadoop version 2.8.3, virtual machine vmware WorkstationThis article focuses on Linux virtual machine installation, environment configuration, and Hadoop local mode installation. Pseudo-distributed and installation under

"DNS details in 06-linux (iii)" Nine, configure the master-slave DNS server to implement domain name resolution fault tolerance 1. Experimental environmentZhangyujia.com (192.168.80.100) is the primary zone, and COM (192.168.80.200) is

The steps for configuring the proxy router are described. Are more practical methods. Due to the rapid development of network technology, there are more and more ways for local networks in enterprises and institutions to access Internet and share

I. Preparations before runningWe recommend that you create a DNS for the MS SQLServer7 database named Test_DB.There is a table in the database: guestbook field: name (varchar), email (varchar), body (text)The sa password is blank for database users

Many of the calling resources (databases, web interfaces, etc.) in the intranet environment of the company are mapped by domain name-IP through the intranet DNS service.However, when the DNS mappings are changed, the resources connected in the