4 node server

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node. JS creates an HTTP server

This is the real reason we learn node. js, Server!1, create a new index.js write downvar Myhttp=require (' http '); Myhttp.createserver (function(req,res) {res.writehead (200,{') Content-type ': ' Text/thml '}); Res.write (' ); Res.write (' ); Res.end (2. Open cmd and run node Index.js3. Open the browser input http://127.0.0.1:3030Finish!!A

Initial SQL Server performance issues (1/4): Server overview

Label:Original: Initial SQL Server performance issues (1/4): Server overviewWhen you are a DBA, many people will complain to you: "This program data loading and snail, you see the server is not a problem?" "There are many reasons for this problem. May be the application server

Using node. js to quickly build WebSocket server

Installation NPM Install WS Service sideServer.js var websocketserver = require (' ws '). Server, WSS = new Websocketserver ({port:8080}), Wss.on (' Connection ', function (WS) {ws.on (' message ', function (message{Console.log (' Received:%s ', message);}); Ws.send (' something ');}); Run: Node server.js ClientClient.htm Client.js var ws = new WebSocket ("ws://127.0.0.1:8080/");Ws.onopen = function () {al

Evolution of large website architectures (4) use Application Server Clusters and architecture SERVER CLUSTERS

Evolution of large website architectures (4) use Application Server Clusters and architecture SERVER CLUSTERS Application Server cluster is a common method to solve high concurrency. When the processing capability of an application server is insufficient, do not try to repl

Node. js Learning (3) ---- Server instance

Var http = require ('http'); http. createServer (function (req, res) {res. writeHead (200, {'content-type': 'text/plain '}); res. end ('Hello Node. js \ n ');}). listen (8080, "127.0.0.1"); console. log ("Server start at http: // 127.0.0.1: 8080 "); The above instance is exited after execution. Why is it not exited after execution? The reason is the event listener of the activity.

Lync server 2013 series 4: Standard Edition-prepare the first Standard Edition Server

= 650; "Height =" 15 "Title =" clip_image001 [18] "style =" border: 0px; "alt =" clip_image001 [18] "src =" http://img1.51cto.com/attachment/201409/3/8959108_1409743627A2g5.gif "border =" 0 "/> after the administrative tool is installed, as shown in 650) This. width = 650; "Height =" 592 "Title =" clip_image009 "style =" border: 0px; "alt =" clip_image009 "src =" http://img1.51cto.com/attachment/201409/3/8959108_1409743629tJ55.png "border =" 0 "/> 650) This. width = 650; "Height =" 15 "Title ="

SQL server database backup and replication (4): method 1 for automatic SQL SERVER backup

We usually create BackupIn SQL Server, We can achieve this through the following method: Steps for automatic backup in SQL Server 2005 database: 1. Open SQL Server Management Studio 2. Start the SQL Server proxy 3. Click job> create job. 4. Enter the job name in "regular" 5

Build a static server based on node. js

Zhanhailiang Date: 2014-11-23Principle: Parse the request URL to the corresponding file path; Determine if the file exists; If present, read the file content output; Realize:varPath=Require(' path '),Fs=Require(' FS ');Require(' http ').Createserver(function(Req,Res) { //Parse file path, default to the current directory as the root directory to find files //This can be done by configuring the root value to find files for the relative root directory varFile=Path.Nor

node. JS Web QuickStart--Koahub.js components Koa-static-server

/web/index.html//Get/web/file.txt//Returns/web/file.txtApp.Use ( ({rootdir: Web " Span class= "Meta delimiter object comma js" >,rootpath:/web ' }) ) /span> //Index support//GET///Returns/file.txtApp.Use ( ({rootdir: Web " Span class= "Meta delimiter object comma js" >,index: File.txt ' }) ) /span> //rewrite support//get/web///returns 404//Get/admin//Returns/admin/index.htmlApp.Use ( ({rootdir: Web " Span class= "Meta delimiter object comma js" >,rootpath:

Using node to build a server

Before using node's expree to build the server, today to try to use Forever-service to build.First download node's service:Global Installation--"NPM Install-g Forever (if an error appears to see if the permissions are not the problem sudo gives permission)NPM Install-g Forever-service Ibid.[sudo] npm install Forever-monitorDirectly on JS can be used forever start app.jsApp.js is you use nodeStop: Forever Stop App.jsPaste my app.js content for your ref

node. JS analog Meter-reading TCP server and client

',function(data) {Console.log (data); Console.log (' Client error '); }); Server.listen (8124,function() {Console.log (' Server-side open ');})ClientvarNET = require (' net ');varClient = Net.connect ({port:8124},function() {Console.log (' Client Connection '); //setinterval (function () { varTime =NewDate (); varA = {}; A.order= ' Order1 '; A.transtype= ' Time '; varA =Json.stringify (a); //a.setencoding (' utf-8 ');Console.log (a); Cl

node. js from a Web server

Open service:The code is as follows:varHTTP = require ('http'); Http.createserver (function (request, response) {//Send HTTP Header//HTTP Status value: 200:ok//content Type: Text/plainResponse.writehead ( $, {'Content-type':'Text/plain'}); //Send response data "Hello World"Response.End ('Hello world\n');}). Listen (8888);//The terminal prints the following informationConsole.log ('Server running at http://127.0.0.1:8888/');

Two ways to open HTML files in the node server

Method 1: Use Express to host static files, details see here Method 2: Use the ReadFile method provided by the FS module to open the file so that it is output in text/html form. Code:var express = require (' Express ');var fs=require ("FS");var app =Express ();//Method 1: Access the static file via Express.static, which is accessed by ajax.html//App.use (Express.static ("./"));//Method 2: Use Fs.readfile to open the HTML file app.get ("/helloworld.html",function (request, response) {Fs.readfile

Build a server with node. js

First in the integrated Terminal output (boot), at the input URL (127.0.0.1:3000) or locallhost:3000Build the serverConst HTTP = require ("http"); Introduce HTTP template let Server = Http.createserver (function (req,res) {//request Request Response response Res.write ("View your IP address, window+r input cmd and enter ipconfigBuild a server with node. js

Installation ORACLE11GR2 RAC one Node on SuSE Linux Enterprise Server 11sp2 (i)

Oracle_termtns_admin= $ORACLE _home/network/admin; Export Tns_adminora_nls11= $ORACLE _home/nls/data; Export ORA_NLS11Nls_lang=american_america. ZHS16GBK; Export Nls_langPath=${path}: $HOME/bin: $ORACLE _home/bin: $ORACLE _home/opatchPath=${path}:/usr/bin:/bin:/usr/bin/x11:/usr/local/binPath=${path}:/u01/app/common/oracle/binExport PATHLd_library_path= $ORACLE _home/libLd_library_path=${ld_library_path}: $ORACLE _home/oracm/libLd_library_path=${ld_library_path}:/lib:/usr/lib:/usr/local/libExpor

Node. js Small Http Server

Note: 1. To save the hello. js program file as a UTF-8 hello. js file, use notepad. 2. Chinese encoding must be supported in the output webpage. Res. write (' Now we use node. js to create a small www server. Console. log ('hello') console. log ('Hello % s-> % d', 'jeapedu', 1941847311) var http = require ('http'); http. createServer (function (req, res) {res. writeHead (200, {'content-type': '

Consult experts! When configuring a dual-host server cluster in the VM, the error 0x8007042c dependent service or group cannot be started when Node 2 is added.

Consult experts! When configuring a dual-host server cluster in the VM, the error 0x8007042c dependent service or group cannot be started when Node 2 is added.650) This. width = 650; "style =" float: none; "Title =" 1.jpg" src = "http://s3.51cto.com/wyfs02/M01/42/2F/wKiom1PXDhzDa7OPAAESj1DR4MU270.jpg" alt = "wkiom1pxdhzda7opaaesj1dr4mu270.jpg"/>650) This. width = 650; "style =" float: none; "Title =" 2.jpg"

Node. js implements a Simple Chat Server

Nodejs is a simple chat server. The implementation code is as follows: Var net = require ('net'); var chatServer = net. createServer (), clientList = []; chatServer. on ("connection", function (client) {client. name = client. remoteAddress + ":" + client. remotePort; client. write ("Hi! "+ Client. name + "\ n"); clientList. push (client); client. on ("data", function (data) {// send data to the client broadcast (data, client); // clientList [I]. write

node. JS builds an HTTP server that provides file downloads

Directly on the code, this is the first version, you can judge the extensionvarHTTP = require (' http ');varExpress = require (' Express ');varFs=require ("FS");varPath=require ("Path");varMIME = require (' MIME '));varApp =Express ();varCurrdir = ' F:\\users\\djyk\\74dj.mp3 '; App.get (‘*‘,function(req, res, next) {varReqpath =decodeURI (Req.path); Console.log (Reqpath); varfilepath =Path.join (Currdir,reqpath); Fs.lstat (filepath,function(err, stat) {if(err) {if(Err.code = = = ' ENOENT ')) {R

Linux Server Setup Guide-proxy access server (4)

Article Title: Linux Server Setup Guide-proxy access server (4 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.    Section 7 ISDN dialing Amp; 7.1 Introduction Over the past two years, ISDN has been booming in China, and th

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