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Router of

MAC MAC (Media Access Control, Medium Access Control ) MAC address is burning in the Network Interface Card (NIC, NIC) inside. MAC address, also known as the hardware address is 48 bits long (6 bytes), 16 hex .0-23 bit numbers assigned by the manufacturer

mysql odbc does not recognize

Today, the reverse with the power designer mysql database and found that actually can not establish mysql odbc data source, reports: Connection Fialed: [HY000] [MySQL] [ODBC 5.1 Driver] Access denied for user 'xxx' @ '192 .168. 19

Authorized to resolve Host '192 .168.1.180 'is not allowed to connect to this MySQL server

Authorized to resolve Host '192 .168.1.180 'is not allowed to connect to this MySQL server GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY' mypassword 'WITH GRANT OPTION

RROR 1045 (28000): Access denied for user 'root' @ '192 .168.2.12 (using password:

This is a mysql permissions not reported on a solution: 1, landing mysql, mysql-uroot-hlocalhost-p 2, use mysql (must be the library system) 3, update user set host = '%' where user = 'root'; (can be anonymous and no password will be able

What is a reverse proxy, how to use reverse proxy to improve site performance

Often see these days talking about in the blog kangzj agent, the article notes also mentioned reverse proxy, and some students use the absolute path of the accelerated play around ghs not quite understand, then to summarize the knowledge of the reverse pr

(Rpm) using squid reverse proxy to improve site performance

Article Category: Web front-end text: This paper describes the working principle of squid reverse proxy based on that reverse proxy technology to improve site access speed, enhanced usability, se

SVN under Ubuntu server installation and configuration

First, install the SVN default installation to / usr / local / bin the following Second, create a repository svnadmin create / home / svnrepo / Root / svnrepo created for the repository path, theoretically can be any directory Third, modify the confi ...

Using Xlight FTP Server FTP server set up locally

Using Xlight FTP Server build local FTP server, practical steps: First, download Xlight FTP Server.rar, unzip, double-click xlight.exe, as shown below Figure 1 Second, configure the virtual server. The use of routers, where I pre-set the internal ip ...

mysql federated storage engine application

FEDERATED storage engine to access the remote database table data, not the local table. This feature brings to certain development and application of traverse, you can directly build a federated table to the local connect to a remote data table, afte ...

oracle pl / sql error solution can not listening

Error name: ORA-12514: TNS: listener does not recognize the current request to connect the service descriptor ORA-12514: TNS: listener does not currently know of service requested in connect descriptor Result can not enter pl / sql Solution: install ...

hdu 2206 IP Calculation

Calculation of IP Time Limit: 3000/1000 MS (Java / Others) Memory Limit: 32768/32768 K (Java / Others) Total Submission (s): 2686 Accepted Submission (s): 488 Problem Description In the online course, I learned a lot about IP knowledge. The full name

Linux_ftp_ command line to download and upload files get put in the order Application

Server Ubuntu 10.04 on the use ftp server software name is vsftpd. Description: From the local to the user logged on the machine on anok ftp telnet to through the ftp server, username is peo. To use the connection to do the f

Using Nginx do load balancing, performance is very unstable. Solve ..

Recent application to use loadrunner to test a php concurrency (equivalent to the Forum). Customer requirements. Concurrent requests per second to 4000-5000. Lenovo provides a PC .. 4G 8 sets of memory, dual-core CPU. And no optical drive, they can not go

Start oracle on linux platform

oracle linux platform above not start automatically, need manual, the specific operation is as follows (A) First start in command mode monitoring the following: #> Lsnrctl start This command will execute a long time, need to be patient, after the

In RedHat5 platform installation oracle10g

oracle installation of platform above the RedHat5 oracle installation on windows platform above is relatively simple, but in the linux platform above it is rather cumbersome, see steps: (A) check the linux version of the information, #> Uname-m If

Keepalived what can contribute to cluster server?

For Linux, high-availability cluster server environment to build the program varied, because there are too many good software for the mechanism of our choosing. Today, we come to know keepalived. Keepalived Profile: keepalived forwarding mechanism is

SVN server configuration Multi library (each library has its own folder)

Want to configure more than one svn library (each library in the operating system corresponding to its own folder), so that different repository to put different items, but also to facilitate the transfer point when the virtual directory is put every

SVN server under Ubuntu installation and configuration

The ubuntu installation reference to someone else's post, but the different versions of their server installation or the environment differ in different Reference article: ==========

fedora13 installed above oracle10g

1, I downloaded the oracle10g the iso file, and then, I extract the iso file to generate database folder on the / home below. 2, and then into the database folder, and execute permissions for all files modified: groupadd oracle useradd-g oracle oracler ch

Hadoop common problems and solutions (transfer)

1: Shuffle Error: Exceeded MAX_FAILED_UNIQUE_FETCHES; bailing-out Answer: Procedures which need to open multiple files for analysis, the system usually the default number is 1024 (you can see with the ulimit-a) is enough for normal use, but the program is

Xlight FTP Server set up using a local FTP server

Xlight FTP Server set up using a local FTP server, the specific steps: First, download Xlight FTP Server.rar, extract, double-click xlight.exe, as shown below Figure I Second, configure the virtual server. The use of routers, where I pre-set the inte

Ubuntu set up SVN server

1.SVN Installation sudo apt-get install subversion 2 Create warehouse For the first of many code repository in / var / svn to create the home directory. svnadmin create / var/svn/test1 svnadmin create / var/svn/test2 3 Modify the configuration file S

Start the oracle on linux platform

top oracle linux platform not start automatically, you need to manually, as follows (A) In command mode following the first start the listener: #> Lsnrctl start This command runs longer need to wait, after the success of such a message will appear

SqlServer Distributed Transaction Solutions

For the environment the operating system: windows 2003 Database: sql server 2000/sql server 2005 Link to the server using the case of a remote database access, problems in the implementation of a distributed phenomenon <br /> affairs, in under

fedora13 above install oracle10g

1, I downloaded the iso file oracle10g, and then I extract the iso file to generate database folder in / home below. 2, then into the database folder, change all the file execute permissions: groupadd oracle useradd-g oracle oracler chown-R oracler.

Use maven2 configuration organize a team of ...

For the team, the establishment of a unified development environment is a necessity maven well assist the establishment of a unified environment. Here's how to introduce more effective unified configuration. Preparation work: Download the necessary so

maven2 use Xiangjie maven2 start I believe everyone maven1 already very familiar with the specific maven can do, is not explained in detail. Personally feel that the open-source projects using maven or relative

[Change] maven2 full manual

maven2 start I believe everyone maven1 already very familiar with the specific maven can do, is not explained in detail. Personally feel that the open-source projects using maven or relatively more within the company, it is not clear. I've used the co

Installation apache2.2.14

1, first upload the file and extract Use the command: guzip httpd-.tar.gz tar xvf httpd-2.2.14.tar 2, but change to the httpd-2.2.4 directory. Cd httpd-2.2.4 3, the implementation of. / Configure-C - enable-so - prefix / apache/apache2 - with-include ...

ruby exception handling process

Today, a look of ruby processes directly on the first section of the code class LinkError <StandardError end class LinkTest @ Host = "" @ Port = 8080 def link ret_str = "failure" begin socket = (@ host

Properties resource file data access

import; import; import java.util.Properties; public class SpringClassTest { // ip= // port=8080 public SpringClassTest() { super(); } public void read() throws IOException { Properties p = new Proper

Lighttpd Mod_Cache very simple and very powerful dynamic cache

Lighttpd is a German-led open source software, the underlying purpose is to provide a dedicated web site for high-performance, secure, fast, good compatibility and flexible web server environment. Has a very low memory overhead, cpu occupancy rate is

nginx + resin session stick Busy for many days, until the final note of the configuration through the details, sucess. Details of the ah. . . This matter, deeply understand: to have confidence in finding solutio

Nginx IP and port-based load balancing and domain name servers are pointing to where Nginx IP. User access , load balancing to,,, its four servers. User access http://blog.g

Commonly used programs under Linux proxy server (proxy) configuration

Commonly used programs under Linux proxy server (proxy) configuration Easwy Add a comment There are many programs under Linux command line interface only, for such procedures, they through a proxy server (proxy) access networks are not the same way.

(Switch) on mod_proxy + Apache 2.2.16 + Tomcat 7 load balancing and clustering configuration

Sunday night and the GF of the villagers drank Wuliangye, leading to weeks with the get out of bed, had to leave home to sleep. Sleep during the day for a long time, could not sleep at night naturally. The project is also just use the load balancing and c

Based on mod_proxy + Apache 2.2.16 + Tomcat 7 load balancing and clustering configuration (switch)

Transfer Chapter I. Background For most enterprise applications, and hope to be 7 * 24-hour operation. To maintain such a high availability and easy, the more common practice is to deploy the system on multiple machi

UTF-16.UTF-16BE.UTF-16LE encoding the difference between

In addition, please refer to "ByteBuffer turn CharBuffer when encoding problem", "document of the byte order mark"

16 Adobe AIR applications shall recommend necessary

Adobe AIR for its ease of use and cross-platform support, has been more and more desktop application developers of all ages. There are many beautiful created by Adobe AIR applications, many of whom are designers and developers services. Here we introduce

CentOS installation of 16 more: Linux a simple shell script - check the network status and alarm email

#!/bin/sh ping -c 5 >> state.txt file="state.txt" flag=0 for line in `cat $file | grep "100% packet loss"` do flag=1 done echo $flag if [ $flag == 1 ];then echo $flag rm -rf state.txt echo " The connection is not working localhost/ 8080 solution

Procedures need to send the data to the server, so wrote a servlet to do simple data acceptance testing, but reported the following exception: localhost/ 8080 - Connection refused Error code in this section URL url = n

My Favorites ssh graphic Core Tip: It is now developing a project framework for the use of S2SH, configure the environment took a day or two, and now the environment was configured to write the document issued under the order, t

Notes from Tomcat and IIS integration

Documents and version: Download Tomcat: Apache Tomcat 6.0.18 File Name: apache-tomcat-6.0.18.exe Java JDK: JDK 1.6.11 (JDK 6 u11) the file name: jdk-6u11-windows-i586-p.exe Connector: jk2 file name: isapi_redirector2.dll Registry file name: jk2.reg IIS: 6

The use of the log and filters generate user access log (change)

To use log4j to generate log. Then the log class added to the filter. When the user makes a visit jsp or servlet can generate a log. Easy to debug. Here is the log4j to get users to access the address and wrote the document. A simple class to be the ...

java proxy server to connect across the URL

1. Read network resources, image streaming public static void main (String [] args) ( / / TODO Auto-generated method stub / / Proxy server to connect across the network try ( addr = InetAddress . getByName ( " ...

Tomcat Configuration Highlights

Tomcat server, the key parameters to configure server.xml Note: The following words are tomcat5.0.30 as an example. 1, configure tomcat server to access the port, just configure the Connector for port port can be. Tomcat defaults to 8080, modify the port

Netty performance test (compared with the Tomcat)

Netty has always accepted that the performance will be very good intention to use it at the appropriate time to develop some of the demands of new ultra-high-performance services. Today's great interest in writing a simple HTTP services, also wrote a

[] HTTP protocol Xiangjie

Original Source: A very detailed description of the HTTP protocol to explain. Author: Jeffrey Introduction HTTP is a part of object-oriented application layer protocol, because of its simple, qui

tiles mechanisms - is reproduced

Interface layout has been exploring a number of techniques found in TILES framework these days, looked at it and wrote a DEMO, integration with the JSF framework TILES. Out to share, please pointing 12. Tiles framework provides a template mechanism, it wi

[Change] English tutorial wonderful putty

These words are from my years of experience in the use PuTTY come slowly, but also just introduced PuTTY, also includes a number of related software, such as: excellent FTP tools FileZilla, a powerful SFTP client WinSCP . Invent a number of assorted, larg
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