R Installing Packages

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Source Cloud Computing Technology Series (vii) Cloudera (Hadoop 0.20)

Virtual set of CentOS 5.3 os. Download Jdk-6u16-linux-i586-rpm.bin [root@hadoop ~]# chmod +x jdk-6u16-linux-i586-rpm.bin [Root@hadoop ~]#./ Jdk-6u16-linux-i586-rpm.bin [root@hadoop ~]# java-version java ver ...

How to securely configure and apply MySQL databases?

MySQL has become one of the most widely used databases in the current network, especially in Web applications, which occupy the absolute advantage of small and medium applications. It all stems from its compact, safe, efficient, open licensing and multi-platform, and, more important, the perfect combination of--php with one of the three web languages. Unfortunately, a default installation of MySQL, because the root password is empty and the program vulnerabilities caused by the overflow, so that the installation of MySQL server is a frequent target. What is more serious is that the database is often destroyed after the attack, causing disaster easily ...

Two-Computer hot backup scheme for Hadoop Namenode

Refer to Hadoop_hdfs system dual-machine hot standby scheme. PDF, after the test has been added to the two-machine hot backup scheme for Hadoopnamenode 1, foreword currently hadoop-0.20.2 does not provide a backup of name node, just provides a secondary node, although it is somewhat able to guarantee a backup of name node, when the machine where name node resides ...

Xen Cloud Platform 2-xci compilation (LFS)

When you joined the Xen Summit last week, you heard the XCI (Xen Client Initiative) project (see Xen Cloud Platform (XCP)), Xen clients hypervisor:the Ultimate The "project is" to Define a standard framework for supporting service domain virtual Applian ...

Guidelines for using Linux command apt

Apt is a Linux command for the Deb package-managed operating system that is used to automatically search, install, upgrade, uninstall software or operating system from the Internet's software warehouse. Apt commands generally require root permission execution, so generally follow the sudo command example: sudo apt xxxx under the apt use method of the detailed guide, for everyone to see the use of apt install &http://www.aliyun.co ...

Linux Tutorial III

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall believe that a lot of beginners who want to learn Linux are worried about what to look at Linux learning Tutorials Good,   The following small series for everyone to collect and organize some of the more important tutorials for everyone to learn, if you want to learn more words, can go to wdlinux school to find more tutorials. 1, linux system soft ...

Courier well-known mail send agent program installation and configuration

Courier is one of the most well-known mail-sending agents. It only supports mailboxes in Maildir format and can be integrated with external databases (LDAP, MySQL, etc.). You can find a complete description of how to install a virtual Postfix+courier messaging system in POSTFIXCOMPLETEVIRTUALMAILSYSTEMHOWTO. This article describes the basic installation of courier, the implementation of forwarding mail to the local presence of users, mailbox settings in the home folder. It is noteworthy that cou ...

WIN2003 64-bit Crystal Report 10 installation Deployment

1.winhttp://www.aliyun.com/zixun/aggregation/19058.html ">2003 64-bit Crystal Report 10 installation Deployment This let me look for a long time, online said installation package in C:\Program Files (x86) \microsoft Visual Studio 8\crystal reports\crredist\x64\crredist20.5_x64 ...

New Package Manager CVS Service installation settings

1. Install CVS and select CVS (System-System Management-new package manager) in the new Package Manager Select a random one in the list of packages on the right, and then press the CVS three letters on the keyboard to locate packages that start with these three letters, and then click the right mouse button, Select the tag in the menu to install. Then click on the application in the top toolbar, the system will automatically download the package, and then install. 2. Install CVSD, ditto, select Cvsd, install. After installing CVSD, you will be prompted to set the location of the repository ...

The installation of Hadoop cluster under Linux

Note: Because the Hadoop remote invocation is RPC, the Linux system must turn off the Firewall service iptables stop 1.vi/etc/inittabid:5:initdefault: Change to Id:3:initdefault : That is, the character-type boot 2.ip configuration:/etc/sysconfig/network-scripts/3.vi/etc/hosts,add hos ...

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