Adding User To Sudo

First, the hardware environment Hadoop build system environment: A Linux ubuntu-13.04-desktop-i386 system, both do namenode, and do datanode. (Ubuntu system built on the hardware virtual machine) Hadoop installation target version: Hadoop1.2.1 JDK installation version: jdk-7u40-linux-i586 Pig installation version: pig-0.11.1 Hardware virtual machine Erection Environment: IBM Tower ...

What we want to does in this short tutorial, I'll describe the required tournaments for setting up a single-node Hadoop using the Hadoop distributed File System (HDFS) on Ubuntu Linux. Are lo ...

The Linux command line attracts most Linux enthusiasts. A normal Linux user typically has about 50-60 commands to handle daily tasks. Linux commands and their transformations are the most valuable treasures for Linux users, Shell scripting programmers, and administrators.　　Few Linux commands are known, but they are handy and useful, whether you're a novice or an advanced user. Little people know about Linux commands the purpose of this article is to introduce some of the less-known Linux commands that are sure to efficiently ...

This is the experimental version in your own notebook, in the unfamiliar situation or consider the installation of a pilot version of their own computer, and then consider installing the deployment of the production environment in the machine. First of all, you need to install a virtual machine VMware WorkStation on your own computer, after installation, and then install the Ubutun operating system on this virtual machine, I installed the Ubutun 11.10, can be viewed through the lsb_release-a command, If you do not have this command, you can use the following command to install the Sud ...

Trac is an open source software application platform that integrates wikis and problem-tracking management systems for software development project needs. TRAC establishes a Web application for software project management in a simple way to help http://www.aliyun.com/zixun/aggregation/7155.html "> Developers better write high quality software , the TRAC application strives not to affect the development process of the existing team. TRAC is developed using the Python language, because ...

It is now easy to install on http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu10.10 and 10.04" by adding LibreOffice PPA. Installation steps are as follows the first step: remove OpenOffice sudo apt purge "openoffice*.*" Step two: in Ubuntu ...

The PURE-FTPD is a free (BSD), secure, high-quality and compliant FTP server. Focus on operational efficiency and ease of use. It provides a simple answer, he meets the popular needs, including ordinary users and host suppliers. PURE-FTPD is fully supported, it is always in the concept of security design, its code is always as a loophole to discuss and review. This service can be adapted to strict security needs to do separation of permissions. Even if you do not need root permission to pass the Chroo ...

How to install a custom Linux kernel Linux kernel is the heart of the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu operating system." Ubuntu's own kernel usually contains all the drivers you need, but sometimes you want to tweak your kernel or if you need to recompile for specific reasons, this manual will help you. Like this less detailed document can actually be found in the kernel compilation Guide. Want to ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall WDCP is the Wdlinux Control panel abbreviation, is a set of PHP development Linux Server Management system as well as the virtual host management system,, aims at easy to use the Linux system as our website server, as well as usually to 　　Linux Server Common management operations, can be done in the background of WDCP. 　With WDCP, you can easily create Web sites, create FTP, create MySQL databases, and so on. ...

"Editor's note" Vidar Hokstad is very experienced in Docker use, especially in the absence of data loss, the use of Docker to create a repeatable build on the experience, in this blog, he summed up the development of the Docker container 8 modes. Docker is now my favorite tool, and in this article I will outline some of the patterns that recur during my use of Docker. I do not expect them to bring you many surprises, but I hope that these can be useful to you, I am very willing to communicate with you in the use of ...