what is dns domain

Global debugging When configuring a Cisco router, the boundaries between global and interface commands are obvious. In this case, we use "Global" to identify commands that cannot be used for interface debugging or specific transmission media types

CMD Run Command 　　 Start → run → CMD → enter the following command: 　　 Gpedit. msc ----- Group Policy sndrec32 ------- Recorder Nslookup ------- IP address detector e xplorer ------- open the Resource Manager Logoff --------- logout command

As the number of computers connected to the network increases, each computer must have a property different from other computers. Like people in the real world, computers also have a host name attribute.What is hostname? From its operation manual,

Common Linux commands: nslookup, lsmd5sum, uname, and history1. nslookup DNS developers all know what the nslookup (name server lookup: domain name query) command is for. It comes with windows. However, in Linux, enter nslookup to display the

I haven't touched the basic knowledge for a long time. It took me more than two hours to finish the two sets of questions. I have limited personal knowledge. If you find any mistakes, please specify- First set: Test basic network knowledge Date: 200

1. Install the NFS serverYum install nfs-utils rpcbind2. ConfigurationVim/etc/exports/Usr/local/collection 192.168.1. * (rw, sync, no_root_squash) # Allow access from the IP address segment 192.168.1. *# Or/Usr/local/collection 192.168.1.2 (rw, sync,

Document directory HTTP (Hypertext Transfer Protocol) FTP (file transfer protocol ): Email Service DNS (Domain Name System) TCP three-way handshake TCP broke up four times The application layer protocol defines how application processes in

We take javaweb as an example to build a simple e-commerce system, to see how this system can evolve step-by-step. Features of the system: User module: User registration and management Commodity modules: Product display and management

Read Catalogue 1. Network Hierarchy Division 2. OSI seven-tier network model 3. IP Address 4. Subnet mask and network partitioning 5. Arp/rarp Agreement 6. Route Selection Protocol 7. TCP/IP protocol 8. UDP

First, editor--vimThe VI Editor is the most basic text editor on Linux and Unix, working in character mode. Because no graphical interface is required, VI is a highly efficient text editor. Although there are many graphical interface editors

on the evolution process of Web site architectureObjectiveLet's take javaweb as an example to build a simple e-commerce system to see how this system can evolve step-by-step.Features of the system: User module: User registration and

Due to the needs of the project, some performance of the Web page needs to be monitored and exposed to the performance,Window.performance provides a set of accurate data, after a simple calculation can be obtained some Web performance data, the data

Original address: Http://mp.weixin.qq.com/s/24f1XBtE76bkg3p0FnqMzgPrefaceLet's take javaweb as an example to build a simple e-commerce system to see how this system can evolve step-by-step.Features of the system: User module: User

Linux Network-related profiles Linux systems generally fall into two main categories:1, Redhat series: Redhat, Centos, fedora, etc.;2, Debian series: Debian, Ubuntu and so on. In Linux systems, TCPIP network is configured through a number of text

Symptom: A company LAN server is based on Windows Server 2003and a DNS server is built . You are now ready to set up a number of domain names to be applied to HTTP browsing,FTP login, forum access, and e-mail and so on . How do you implement this

Work, if you are using Server for NFS, you will experience modifications to the NFS server configuration, and if you want to re-load the modified configuration on the client,But you can't restart the Rpcbind service, we need to use the Export

SSL Security certificate (in short is to support https://) is the site, especially the business site must be, we buy a VPS also must avoid those who do not have SSL security certificate merchants. Letsencrypt at the beginning of the emergence of a

Apache Log SplitAs the number of visits to the site is increasing, by default the Apache server generates a single log file will be more and more large, if you do not use log segmentation, when the journal file is growing, when taking up too much

The JNDI (the Java naming and directory Interface,java naming and directory interface) is a set of APIs that access the naming and directory services in Java applications. The naming service links names to objects so that we can access them by name.

What is a host file: Hosts is a system file without extensions, its basic role is to some commonly used URL domain name and its corresponding IP address to establish an association "database", When the user enters a URL in the browser that needs