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Learning Linux has a lot of obstacles, versions, permissions, commands.Different versions, the command is different, the command needs to install the package, to the novice to bring a lot of inconvenience. Here's a summary of some of the experiences you've had with Ubuntu. The following commands can be used directly.Do you see other people using commands in desktop in Linux and can't find a place for themse
Deployment environment os:ubuntu12.04 Server Hadoop:cdh3u6 Machine list: Namenode 192.168.71.46;datanode 192.168.71.202,192.168.71.203,192.168.71.204 Installing Hadoop Add a software source /etc/apt/sources.list.d/cloudera-3u6.list Insert Deb Http://192.168.52.100/hadoop MAVERICK-CDH3 Contrib DEB-SRC Http://192.168.52.100/hadoop MAVERICK-CDH3 Contrib Ad
connect a cluster with Eclipse view file information Tip 9000 port denied connection errorcannot connect to the Map/reduce location:hadoop1.0.3Call to ubuntu/192.168.1.111:9000 failed on connection exception:java.net.ConnectException: Deny connection1. Common Solution: Configuration is normal, is not connected. Later, the Hadoop location was reconfigured, the host from Map/reduce Master and DFS master chang
Install Hadoop2.4.0 in Ubuntu 14.04 (standalone Mode) 1. Create a Hadoop group and hadoop user in Ubuntu Add a hadoop user group and add a hadoop user in this group. We will use this us
The next day of contact with Hadoop, the configuration of Hadoop to the environment also took two days, the process of their own configuration is written here, I hope to help you!I will use the text to share all the resources here, click to download, do not need to find a!Among them is "the Hadoop Technology Insider" This book, the first chapter describes this co
bloggers)Environment configurationModified hostname Vim/etc/hostname modified with hostname test modified successfullyAdd hosts vim/etc/hosts 192.168.3.150 donny-lenovo-b40-80 192.168.3.167 cqb-lenovo-b40-80SSH configurationSSH-KEYGEN-T RSASsh-copy-id-i ~/.ssh/id_rsa.pub [email protected]Hadoop configurationVim/etc/hadoop/core-site.xmlVim/etc/hadoop/hdfs-site.xm
connect a cluster with Eclipse view file information hint 9000port error denying connection cannot connect to the Map/reduce location:hadoop1.0.3Call to ubuntu/192.168.1.111:9000 failed on connection exception:java.net.ConnectException: deny connection1. Common Solution: The configuration is very normal, is not connected. Once again, Hadoop location was configured to change the host in Map/reduce Master and
download path and download it to the program .) After the installation is complete, the system prompts you to enable http: // localhost: 7180.Deploy hadoop The root user in ubuntu does not have a password. You can set a password for sudo passwd root. Ubuntu does not have openssh-server by default. Use sudo apt-get install
Next "Ubuntu Kylin system Installation Hadoop2.6.0"In the previous article, Hadoop Pseudo-distributed is basically well-equipped.The next step is to run a mapreduce program, taking WordCount as an example:1. Build the Implementation class:Cd/usr/local/hadoopmkdir WorkspaceCD WorkspaceGedit Wordcount.javaCopy and paste the code.import java.io.ioexception;import java.util.StringTokenizer; import org.apache.ha
Environment: The system is ubuntu15.04 Hadoop2.7.3Virtual Machine Master-hadoop ip:192.168.116.129Virtual Machine Slave1-hadoop ip:192.168.116.130Virtual Machine Slave2-hadoop ip:192.168.116.131The installation configuration of the Hadoop cluster is roughly the following process: Create a new virtual machine as M
Issue 1: Installation of Openssh-server failedReason:The following packages have unsatisfied dependencies: Openssh-server: dependent: openssh-client (= 1:5.9p1-5ubuntu1) But 1:6.1p1-4 is about to be installed recommended: Ssh-import-id But it will not be Install E: cannot fix the error because you require certain packages to remain current, that is, they destroy the dependencies between software packagesSolve:First
success:mysql-h172.16.77.15-uroot-p123 mysql-h host address-u user name-P user PasswordView Character SetsShow variables like '%char% ';To Modify a character set:VI/ETC/MY.CNF add Default-character-set=utf8 under [client]create sudo without password loginTo set the Aboutyun user with no password sudo permissions: Chmode u+w/etc/sudoersaboutyun all= (root) nopasswd:allchmod u-w/etc/sudoers test: sudo ifconfigUbuntu View Service List codesudo service--status-allsudo initctl listTo view the file s
Tags: his performs download Pat benefits site Service binary get1. Install SSH server, configure SSH login without passwordUbuntu has SSH client installed by default and requires SSH server installation.sudo apt-get install Openssh-serverSet SSH no password login nativeSSH localhostYou will be prompted with the following (SSH first login hint), and enter Yes.SSH First Login TipsThen follow the prompts to en
hadoop hadoop 2 July : myIDE. Set myID content, write myID 2,xufeng-3 file in myID file on Xufeng-1 host as written in myID file to write 3 according to step C's settings in the 1,xufeng-2 files.E. Configuring log directories and ParametersAdd the following two variables to the ~/.brash_profile:Export zoo_log_dir=/opt/hadoop/zookeeper/logsexport zoo_log4j_pr
How to open a terminal and install SSH in Ubuntu First, press ALT and then press f2 to open a runtime box and enter gnome-terminal. To install SSH, enter the following content in the command line. The result of sudo apt-Get install OpenSSH-server is as follows: Klaus @ Ubuntu
In the last two days, we have set up a Linux big data processing environment for a project. The system is centos 6.3. I mainly configure JDK, install Tomcat, hadoop, hbase, and zookeeper software. I am also a newbie in hadoop. I have encountered many problems in configuring this environment and checked a lot of information, here is a summary for future review. F
When you do Hadoop, you often need to open the bin directory under Hadoop and enter the command In Ubuntu we use a custom command to simply implement this command Open the. bashrc file First sudo vim ~/.BASHRC And then add it at the end of the file Alias hadoopfjsh= '/usr/local/hadoop/bin/
Main steps: 1. Install and update GCC and ant (if the system has been installed, skip the following steps) Yum-y install GCC gcc-C ++ Autoconf automake Wget Http://labs.renren.com/apache-mirror//ant/binaries/apache-ant-1.8.2-bin.tar.gz Tar-jxvf apache-ant-1.8.2-bin.tar.bz2 Export ant_home =/usr/local/Apache-ant-1.8.2 VI/etc/profile Source/etc/profile Export Path = $ path: $ ant_home/bin 2.
Linux has always been a relatively small system, especially at home, users relative to Windows, is less, even give a high-end, complex impression, but these years, the use of Linux more and more people, the basic use of the program ape, And Ubuntu as a Linux system users more of a branch, do a good job, and the way to install Ubuntu is also a lot, this article is
Zhou has not installed a Linux Virtual Machine for fun. The final effect is as follows, 1) The host is win7 2) install a Linux system (Ubuntu selected) and WINXP on the guest Machine 3) directories can be shared between hosts and guest machines; 4) Intercommunication between the host and the guest. The Guest machine can access the Internet (you need to reset the settings before restarting) 5) Try to reinsta
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