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Your computer configuration appears to be correct, but the device or resource (DNS server) is not responding
The last few days encountered a problem, the new notebook in the company always do not go to the net, Ping Gateway, Shitong, lost packet rate around 1%~5% about, and then I suspect that the network card driver
Garbage station bloggers are still using the WIN7 system, recently through switches and routers are always not connected to the Internet, and other computers on the network can be networked, check found that the computer desktop in the lower right corner of the internet appears yellow exclamation point, after detection prompts "Windows can not communicate with the device or resource (primary DNS
The DNS server is very important to us, and if it can't respond, we won't be able to get on the net. It is said that many users have encountered this problem, then when you encounter the WIN7 system DNS server did not respond to what to do? Do not understand the friend hurriedly come to see the small series to provide
simple forwarding DNS server, which will be tested on this DNS server:
2. Test the availability of a forwarded DNS server1 method One: Use the dig command to specify the DNS server
The previous section describes some of the main DNS suffixes of the computer, and today this section continues to extend this topic, as well as other concepts related to it.
The test environment in this section is a simple topology environment in which a DC is connected to a client computer. The following figure:
In the WINS series, we said that when a ping pro
The first stepDelete the My.ini below the c:\windowns (you can change it to another name first.)Step TwoOpen the corresponding installation directory \mysql\bin\winmysqladmin.exe Enter the user name and password (you can also ignore this step)The third step under DOS, go to the MySQL bin directory.Example: installation directory for D-disk Pc_webserver\mysql\binStart-run-cmdD://Switch to the D-disk firstD:\>CD Pc_webserver\mysql\bin//through the CD directory into the binThen enter Mysqld-remove
Here are some of the problems with the server phenomenon of some people
1, Server window2000 ADV server CPU 4G memory 2GMy company is responsible for the maintenance of ASP programs often stop responding, the specific phenomenon is that the server has a dllhost process to
Before you build a DNS server, introduce the terminology in several DNS
1, forward lookup zone: mapping for Computer name to IP address. When a DNS client initiates a request to a DNS server
Author:The 250048111@qq.com (yezi)Sometimes, after backing up a batch in the database to the Startup menu, we want the server to run our batch processing at the next restart. But what should we do if we wait and the server does not restart? Ask the Administrator to restart the system. HahaThe following injection code causes the server to stop
1. view the Host IP address resolved by the DNS host name
Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address [Server]Hostnew [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address [Server]DescriptionThe/usr/bin/host
In network optimization and network security protection, we may need to use to modify the DNS server address, the next small series to share with you how to modify the DNS address, here to the current WIN8 system as an example, teach you how to modify the computer DNS addres
First, install DNS
1. Install DNS: Start-Control Panel-Add or Remove Programs-add or remove Windows components, and the following window appears:
2. Scroll down, click "Network Services" by clicking "Details", and the following window appears:
3. Check "Domain Name System (DNS)", click "OK"
4. Then return to the "first" picture, click "Next" to start insta
@echo off
: Main
Cls
Echo.
Echo.
echo 1. Generate automatic configuration computer name, DNS, Gateway, IP script, IPX internal network number
Echo.
Echo 2, automatic network engraving server configuration
Echo.
Echo 3. Telecom netcom line switch generator
Echo.
Echo 4. Exit script
Echo.
echo Please enter 1,2,3 or 4, enter other characters, the consequences are at
.
$ dig math.stackexchange.com
The above command outputs six pieces of information.The first paragraph is query parameters and statistics.The second paragraph is the query content.The above results indicate that the query domain name math.stackexchange.com A record, A is the address abbreviation.The third paragraph is the reply of the DNS server.The results above show that math.stackexchange.com there are four A records, four IP addresse
First, the experimental simulation environment:Zhuyu company has a DNS server, because the DNS server is older, ready to migrate to a new DNS server (DNS backup can do so).Legacy
After the first three sections of the matting, presumably we should have a basic understanding of DNS and related concepts, this section began to discuss the DNS server installation and configuration, but also have the client settings, the content is very basic.
Today our test environment is made up of a single server
Two days of indulgence, to get physically and mentally exhausted. I was almost late in the morning, but fortunately I stepped on it. Oh!In Friday, because the notification Sunday power outage, so the server, such as shutdown equipment, etc. are shut down. So the first thing I do is give them electricity. The buttocks just sat down, the colleague said the computer can not go in, in the Welcome interface has
If the DNS settings are not good some sites can not open, we may fill out their preferred DNS, the following cloud habitat small set to introduce you to the domestic common DNS address.
1, Google's global common DNS address:
Preferred DNS Address: 8.8.8.8Alternate
Preparation:
First of all the local TCP/IP properties, such as (DNS IP to fill in the IP of this computer, the local IP must be fixed IP)
Install the DNS components.
Configuring a DNS server
1 Open the DNS console
process is no longer explicitly.
Step three: the migration process
1. Modify the service startup type of the DNS server to start with a file:
2. Stop the DNS service on the new DNS server as shown in the following illustration:
3. Copy the files from the
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