Set Bash

Ubuntu Set Shell environment variable open configuration file: Vim ~/.BASHRC at the end of the file, add the following export variable name = variable such as: Export Java_home=/usr/lib/jvm/java-6-sunexport PATH = $PATH: ~/mybin Log off and log on again, the new environment variable takes effect. In the HTTP://WWW.ALIYUN.COM/ZIXUN/AGGREGATION/13 ...

XFFM Code Set is a set of applications and libraries that avoid using commands from the UNIX command line to communicate between applications. Use rodent http://www.aliyun.com/zixun/aggregation/19352.html ">filemanager for application management. XFFM Code Set 4.7.0 changes to this version: an online and online user manual; a default freedesktop ...

If you can have root permissions, you can modify the passwd file directly. Locate the line user:x:1000:112:user the start of your user ID,,,:/home/user:/bin/bash The last field is the default shell after login,/bin/bash is the main program path for program bash. The path of the fish main program is usually/usr/bin/fish. /etc/shells lists all available shells in the system ...

I believe you have seen in many places "Docker based on Mamespace, Cgroups, chroot and other technologies to build containers," but have you ever wondered why the construction of containers requires these technologies? 　　Why not a simple system call? The reason is that the Linux kernel does not have the concept of "Linux container", the container is a user state concept. Docker software engineer Michael Crosby will write some blog posts and dive into Docke ...

Today, after testing a remote AIX host in Java, it suddenly occurred to me that Hadoop was installed on Linux, but did not attempt it on AIX, and wondered if the installation of Hadoop under Aix would be different, so the process was recorded as follows: 1. 　　Install the decompression software on AIX, install Java and so on, here do not say. 2. Download the Hadoop0.21.0 version, and extract to a specific directory, where the decompression to/home/cqq/hadoop-0 ...

Overview distcp (Distributed copy) is a tool for copying within and between clusters of large clusters. It uses Map/reduce to implement file distribution, error handling and recovery, and report generation. It takes the list of files and directories as input to the map task, and each task completes a copy of some of the files in the source list. Because of the use of the Map/reduce method, the tool has a special place in semantics and execution. This document provides guidance for common DISTCP operations and describes its working model. Use method Basic Use Method D ...

You can use the flexibility inherent in the command shell of Linux to create scripting languages that help you simulate DOS commands in a Linux environment. 　　 　　The specific approach is as follows. If you are an IT support expert, you like the command of Windows very much, when you first use the Linux command line, you may soon find yourself confused. The DOS commands you've been familiar with for a long time don't exist in Linux. So you will find yourself facing a terrible task: to learn and be familiar with the whole ...

This page will teach you how to design your own personalized x (graphics desktop) session by editing the shell script. Desktop environments like Gnome usually have their own session manager. These session managers allow you to set what additional programs will be loaded at startup by providing a graphical interface. However, knowing how to create an X session script allows you to have greater flexibility in defining your desktop environment, whether you use Gnome, KDE, XFCE, Openbox, or any of the less-known window managers, like Blackbox or fvw ...

-----------------------20080827-------------------insight into Hadoop http://www.blogjava.net/killme2008/archive/2008/06 /05/206043.html first, premise and design goal 1, hardware error is the normal, rather than exceptional conditions, HDFs may be composed of hundreds of servers, any one component may have been invalidated, so error detection ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall recently applied for OpenShift PAAs space, very domineering support N languages, As for the use of the two said, the space application of the tutorial is not listed in this article, interested comrades can be released later on the site of another article gives a detailed introduction, this article is built in you have achieved OPENSHIF ...