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ArticleDirectory Obtain Java Obtain hadoop Set Environment Variables Configure hadoop-env.sh Configure core-site.xml Configure hdfs-site.xml Configure mapred-site.xml Install HDFS Start hadoop Simple debugging Obtain Java Obtain hadoop Set Environment Variables Configure hadoop-env.sh Configure core-site.xml Configure hdfs-site.xml Configure mapred-site.xml

Install Hadoop in standalone mode-(1) install and set up a virtual environment for hadoop StandaloneZookeeper There are a lot of articles on how to install Hadoop in standalone mode on the network. Most of the articles that follow these steps fail, and many detours have been taken, but all the problems have been solved after all, by the way, you can record the co

Install JDK in RedHat 6.1 and redhat6.1 install jdk I have been using Ubuntu for Hadoop learning. Recently, I need to deploy the production environment. The server is changed to RedHat. I also recorded the installation of JDK in RedHat 6.1, compare it with JDK 8 installed on Ubuntu 14.04.Download JDK You can download it from the Oracle official website or through the command line. $ wget -c http://download.

Install and use gulp and install and use gulp Global install gulp (based on node): $ npm install -- global gulp Enter the project folder, run npm init, fill in relevant parameters, and generate the package. json that records the configuration file information for future project migration. Go to the project's folder a

Required software source package:Cmake-2.8.8.tar.gzMysql-5.5.25.tar.gz1. Install cmakeMySQL 5.5 and later versions have been replaced by the cmake tool./configure compilation and configuration method.Therefore, we must first compile and install the cmake tool in the system source code. The code is as follows:Copy code # Install the required dependency package

3.2. Install the Cvuqdisk package 3.2.1. Preparing the Oracle Grid installation package Upload the grid, Oracle installation files: Sftp> put e:\software\linux.x64_11gr2_grid.zip/root/Uploading Linux.x64_11gR2_grid.zip To/root/linux.x64_11gr2_grid.zip100% 1028220KB 7616kb/s 00:02:15 aa/s 00:01:44 ETASftp> put e:\software\linux.x64_11gr2_database_2of2.zip/root/Uploading Linux.x64_11gR2_database_2of2.zip To/root/linux.x64_11gr

First download from the Internet: 　　[oracle@jumper]$ wget http://www.realvnc.com/dist/vnc-4.0-x86_linux.tar.gz--10:34:32--　http://www.realvnc.com/dist/vnc-4.0-x86_linux.tar.gz=> `vnc-4.0-x86_linux.tar.gz'Resolving www.realvnc.com... done.Connecting to www.realvnc.com[83.170.68.194]:80... connected.HTTP request sent, awaiting response... 200 OKLength: 1,625,390 [application/x-gzip]100%[==============================>] 1,625,390　　 52.67K/s　　ETA 00:0010:35:04 (52.67 KB/s) - `vnc-4.0-x86_linux.tar.g

Note: In Ubuntu, MySQL only allows local access by default. If you want access from other machines, you need to change the etcmysqlmy. cnf configuration file! Lower Note: In Ubuntu, MySQL only allows local access by default. If you want access from other machines, you need to change the/etc/mysql/my. cnf configuration file! Lower Install MySQL Sudo apt-get install mysql-server This should be very simpl

Install tomcat in linux (centos) (use shell scripts to install tomcat as a service)1. Download tomcatDownload the linuxlinuxversion (tar.gz) from http://tomcat.apache.org/download-70.cgi)2. decompress, upload, and grant permissionsDecompress the package, use WinSCP to upload the decompressed installation file to the/home/software/tomcat directory, and use the chmod-R 755/home/software/tomcat command to obta

Install and use Windows Subversion and TortoiseSVN, and install tortoisesvn Currently, popular version control tools include SVN, Git, and Mercurial (Hg ).SVN is divided into two types: server and client. The server is Subversion, and the client is TortoiseSVN.Download the installation files for Windows on the Internet, and follow the established installation steps.1. Create a version Library:To run the Sub

[Linux] install and configure JDK1.8 and install and configure jdk1.8. Step 1:To download jdk in Linux, go to the (Official Website) to download the jdk Installation File; View the number of Linux operating systems: [Root @ localhost ~] # Getconf LONG_BIT Since my Linux is 64-bit, I downloadedJdk-8u151-linux-x64.tar.gz As shown in: 　　　　 Step 2:New/Usr/javaFolderJdk-8u151-linux-x64.tar.gzPut it in this f

In ubuntu9.10, it is found that common software cannot be installed when the apt-Get install command is used, such as G ++. It seems that the log is too old for the source list, so on the website: http://ubuntu.srt.cn/find a group of source lists (9.10 is used if there is no 8.04 ): deb http://ubuntu.srt.cn/ubuntu/ hardy main restricted universe multiversedeb http://ubuntu.srt.cn/ubuntu/ hardy-security main restricted universe multiversedeb http://ubu

Install MySQL Sudo apt-get install mysql-server This should be very simple, and I don't think there is much problem with the installation, so I will not talk about it much. Let's talk about the configuration below. Configure MySQL Note: In Ubuntu, MySQL only allows local access by default. If you want access from other machines, you need to change the/etc/mysql/my. cnf configuration file! Next we will step

java_home, environment variables, and found no problem, pointing to C:\Java\jdk1.7.0Workaround:Because JDK8 is installed after JDK7 is installed, the three executables for Java.exe, Javaw.exe, and Javaws.exe are automatically copied to the C:\Windows\System32 directory when the JDK1.8 is installed. Because this directory has a higher precedence in Windows environment variables than the environment variables set by Java_home.Understand this, you know the reason for the error, although uninstalle

/elasticsearch-analysis-ikCD Elasticsearch-analysis-ikMVN cleanMVN CompileMVN Package Copy Unzip file #{project_path}/elasticsearch-analysis-ik/target/releases/elasticsearch-analysis-ik-*.zip to Your Elasticsearch ' s Folder:plugins/ik modifying Linux environment variables 1, console settings, not in favor of this way, because he only to the current shell function, change a shell setting is invalid: $PATH = "$PATH":/new_path (Close shell path reverts to the original path) 2, Modify the/etc/p

Workaround: 1. Locate the Cmd.exe file (C:\windows\system32\cmd.exe) 2. Right-click Cmd.exe to run as Administrator 3. Place the Php_memcache.dll in the PHP ext directory: 4. Add a line on php.ini: Extension=php_memcache.dll 5.cmd Enter the Memcached.exe directory, and then perform the installation memcached.exe-d install next to memcached.exe-d start The above describes the WIN8 (64-bit) under the Memcache installation times error "Failed to

This article takes the installation and configuration of a hadoop cluster composed of three machines as an example. The information of the three machines is as follows: Hostname role IP Address DC01 mast 192.168.68.57 Dc02 slave 192.168.68.58 Dc03 slave 192.168.68.59 The username is root. 1: Install jdk1.6 and configure the Java environment. For details, refer: Install JDK in Tomcat 7 on cento

When you repeatedly encounter errors due to installation of office 20XX, SQL Server 20XX, vistual studio 20XX, MVC x. x, and MSN xx. xx, you may feel desperate to reinstall the system. As you may not know, Windows install clean up, a super powerful tool provided by Microsoft, is dedicated to handling such cases. Just like its name, its function is mainly to clear registration information of the installed software, or the last installation failure tra

a test, install VIM, enter the following command to automatically download the installedInstall VimIn the process of installation encountered MD5 sum did not match, exiting error, refer to this link the last method to resolve http://www.dexcoder.com/selfly/article/2230, that is, to remove the MD5 validation failed processing.There is an decompression error,Unpacking ...BUNZIP2: (stdin) is not abzip2 file.Tar: It doesn't seem like a tar archive fileTa

1. We open the app Store in the ipad and go to the following image. 2. Then we search the App Store for micro-letters, and you'll find that there is no micro-credit feature, but we'll see that the search is right for the ipad, and we click to switch to the iphone application, as shown below 5. After the input, we can install the micro-letter, 6. Your micro-letter can also choose other ways to log in, as shown below A very simple wa