node js ubuntu tutorial

node. js CAKEphp, node. js, MongoDB? Three skills?Beginners, I hope you can share to me a bit more good learning site or book, thank you! Reply to discussion (solution) The documents of the respective official website, the best Download MongoDB installation package on windowsxp? Download MongoDB installation pack

Node. js remotely connects to the MongoDB database server on another host My MongoDB is installed in linux. First, add a user 1. First, run the terminal command line on the MongoDB server host and enter Mongo 2. Enter use admin to access the user management database. 3. db. addUser ("username", "password"); here, the username and password are the username and password you want to set. You can add a few more

/* Author: BJF; Application: Read the contents of the file; */ function Read_file_content ($FileName) { Open File $FP =fopen ($FileName, "R"); $data = ""; while (!feof ($FP)) { Read the file $data. =fread ($fp, 4096); } Close the file Fclose ($FP); Delete the file Unlink ($FileName); Return the content from the file Echo $data; } Read_file_content ("a.html") ?> The difference between fread and fgets Fread: Calculates the length in bytes, reads the data according to the specified length and numbe

Disclaimer: the tutorial is from "out-of-the-box use of Node". Source code cases are all from this book. Blog posts are for personal study notes only. Step 1: Create a chat server. First, let's write a Server: var net = require('net')var chatServer = net.createServer()chatServer.on('connection',function(client){client.write('connection~~~\n')client.end()})chatServer.listen(2333)console.log('Server') You c

");Chained flowChaining is a mechanism for connecting output flows to another stream and creating multiple action chains, which are typically used for pipeline operations.Next we are using pipelines and chains to compress and decompress files.Create the Compress.js file with the following code:var fs = require ("FS"); var zlib = require ("zlib"); // The compressed Input.txt file is input.txt.gzfs.createreadstream (' input.txt ') . Pipe (ZLIB.CREATEGIZP ()) . Pipe (Fs.createwritestream (' inp

writes the contents to the Output.txt file readerstream.pipe (Writerstream); Console.log ("Completion of program execution");Chained flowA chain is a mechanism that flows through the connection output to another stream and creates multiple pairs of flow operation chains. Chained streams are typically used for pipeline operations.Next we are using pipelines and chains to compress and decompress files.Create the Compress.js file with the following code: var fs = require ("FS" var zlib = requir

There is installation on the uninstall, uninstall Tutorial reference: http://www.cnblogs.com/EasonJim/p/6287141.htmlFirst, the official Download pkg installation package 1, installationTo the official website https://nodejs.org/en/downloadSimply double-click to run.2. UpdateDownload the latest installation package directly from the official website and install it all the way to the next step.Reference: Http://stackoverflow.com/questions/11284634/upgra

(() => { socket.emit('random', Math.random())}, 500)socket.on('warn', count => { console.log('warning count: ' + count)})socket.on('disconnect', () => { clearInterval(interval)}) Transmission stream Socket. io can process streams Server code io.on('connection', function (socket) { let stream = ss.createStream() ss(socket).emit('script', stream) fs.createReadStream(__filename).pipe(stream)}) Client code let socket = io('http://localhost:3000') ss(socket).on('script', stream => { let buffer =

starting position of the file read, and if the value of position is NULL, it is read from the position of the current file pointer.Callback-callback function, there are three parameters err, Bytesread, Buffer,err is the error message, Bytesread represents the number of bytes read, and buffer is the cache object.7. Close the file:Fs.close (FD, callback)This callback finally has no parameter!!!8. Interception of documents:Fs.ftruncate (FD, Len, callback)The parameters use the following instructio

Original link: Node-webkit tutorial (15) Debug typescriptThe content of this article also applies to the Chrome browser.In the configuration item for the Chrome developer tool, there is a sourcemap option to configure the JavaScript source and generate code relationships. If you can debug the typescript code directly in the browser, we can really appreciate the joy of typescript development.First open the C

Test with AB under ApacheFollow: the Apache AB (Stress test tool) Tutorial is referenced below:http://blog.csdn.net/ahaaaaa/article/details/51514175Compile version installation and configuration:Http://www.cnblogs.com/gsls200808/p/4506301.htmlMSI: Version downloadhttp://archive.apache.org/dist/httpd/binaries/win32/Ad can fully simulate a test request initiated against a Web server under various conditions, and it can also initiate a test request local

The third chapter of the original tutorial Https://github.com/nswbmw/N-blog/wiki/_pagesThere are three ways to upload files now:Use Express's own file upload feature, no database involvedUse formidable external module, no database involvedUploading to MongoDB, involving the databaseHere you use the first, the user will file, stored in: blog/public/images/folder.Blog/views/header.ejs in Index.js Add code:Fs=require (' FS '),And:New Upload.ejs under blo

SSH connection Ubuntu,node xxx.js run JS, a close SSH connection, JS service is closed. Baidu has discovered a great God's answer here copy a big God answer, to recordlet Ghost always run the previous mentioned start Ghost using the NPM Start command. This is a good choice to start and test in development mode, but the

Tutorial on installing the Ghost blog platform on Ubuntu, unzip tughost Today, we will install a blog platform Ghost on Ubuntu Server 14.04 LTS (Trusty. Ghost is a well-designed release platform that is easy to use and free to anyone. It is a free open-source software (FOSS) and its source code is on Github. As of January 2015 (LCTT: the original article is 2014

Tutorial on installing and configuring Hadoop2.4.1 cluster in Ubuntu 14.04 This tutorial is based on Hadoop 2.4.1, but should be applicable to all versions 2.x. I have installed it multiple times in Ubuntu and can be configured successfully according to this tutorial. This

; proxy_send_timeout 5; proxy_buffer_size 16k; proxy_buffers 4 64k; proxy_busy_buffers_size 128k; proxy_hide_header x-powered-by;} Check and Reload Nginx-s reload8. Install PM2 to keep Ghost running in the backgroundPM2 is a popular node. JS Process Manager that allows you to start up and shut down againFirst we install PM2 via NPMcd /var/www/ghostnpm install pm2 -gConfigure the current environment

initialization, no longer required[Email protected]:~# sbin/start-dfs.sh[Email protected]:~# sbin/start-yarn.shThe command JPS allows you to see the processes initiated by each node.You can see that the master node started the Namenode, Secondrrynamenode, ResourceManager processes.The slave node initiates the Datanode and NodeManager processes.Access to the management interface of Hadoop via http://master:

Following the "Ubuntu under Lamp Environment Configuration tutorial (Linux)" (Click to open the link) to do a good job of lamp environment, you can use the Gredit text editor to write PHP, and then use the terminal to query the contents of MySQL, but this environment is quite rough, Without the development of the IDE, query the database to enter a lot of commands, not suitable for PHP development. At this

1. Use the Cpu-z tool to check if the motherboard supports virtual technology because the Virtulbox virtual machine requires the motherboard to support virtual technology2, after the installation of Ubuntu restart will appear: Please remove this install medium, then press Enter,This problem can be resolved by holding down the CTRL + Home key, as the system will automatically eject medium and reload the file.3, installation Jdk:sudo Apt-get install DEF

Today we will install a blog platform ghost on the Ubuntu Server 14.04 LTS (trusty). Ghost is a beautifully designed release platform that is easy to use and free for anyone. It is free open source software (FOSS), its source code on the GitHub. As of January 2015 (LCTT: The original 2014, should be 2015), its interface is very simple and analysis of the surface of the V-plate. The editor uses a very convenient split-screen display.So with this step,