vi bashrc

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If CentOS uses the CP command, the system does not prompt overwriting.

If CentOS uses the CP command, the system does not prompt overwriting. Today, I copied a folder on my VPS, but there is a folder with the same name and there are files in it. If I copied it directly, there are N prompts to confirm the replacement,

Install mysql-5.0.45.tar.gz,mysql5.0.41.tar.gz

Install mysql-5.0.45.tar.gz,mysql5.0.41.tar.gz Installation environment: VMware9 (Bridge Mode) + Linux bogon 2.6.32-642.3.1.el6.x86 _ 64 (view linux version: uname-) MySQL For Linux source code, is xx.tar. zg format, as follows:

Install and uninstall JDK in Linux

From: http://www.cnblogs.com/hbycool/articles/1672010.html Install JDK Linux Step 1. First download JDK (jdk-1_5_0_02-linux-i586.rpm) from the Internet, recommended sun official website www.sun.com, download and put in the/home directory, of course,

Let python run on hadoop, pythonhadoop

Let python run on hadoop, pythonhadoop The example in this article describes the general hadoop Entry Program "WordCount", which is to write a map program to split the input string into a single word, and then reduce these individual words, the same

Linux shell BASICS (5) and Linux shell Basics

Linux shell BASICS (5) and Linux shell BasicsV. bash operations and startup script 01. history of bash commands # history ...... # Set (show all variables) | grep HISHISTFILE =/root /. bash_historyHISTFILESIZE = 1000 (number of historical files)

JDK environment variable settings in Ubuntu

JDK sets environment variables in Ubuntu environment variables: We used global settings before, and now we use user-level settings. Operating System: Ubuntu 12.04 JDK: 1.6.0 _ 45 step: see the previous steps to configure JDK. We mainly modify the

Non-active users in Linux exit automatically.

Non-active users in Linux exit automatically. Let's imagine this scenario. One of your servers is often accessed by multiple users in different systems on the network. Some users may forget to log out of the session to keep the session in connection.

Solve Bash: Export: Not a valid identifier in fedora 9

An error such as export not a valid identifier occurs when you want to add environment variables to the path during cross-compilation. The temporary solution is to use export input, but only valid for the current terminal window: Path = $

Build a Java Development Environment (jdk1.6 + tomcat6.0 + eclipse3.2 + myeclipse5.2) in Linux

This document describes how to build a Java (jdk1.6 + atat6.0 + eclipse3.2 + myeclipse5.1) development environment in Linux !! Forget to bring convenience to your development !! In the Java development environment, JDK must be configured first !!@

Add/sbin to the path

The command fdisk-l failed to be executed, but the command/sbin/fdisk-l succeeded. Use whereis to view the directory where the command is locatedFor example, whereis fdiskFdisk:/sbin/fdisk/usr/share/man/man8/fdisk.8.gz The fdisk directory

Ubuntu jdk7.0 configuration process

First download jdk-7-linux-i586.tar.gz on the official website Enter the command tar-zxvf./jdk-7-linux-i586.tar.gz in the terminal Then sudo mkdir/usr/lib/JVM Then sudo mV./jdk1.7.0.03/usr/lib/JVM/ Then set the environment variable Sudo VI ~ /.

Configure uboot compiling environment

Compile s5pc100 uboot Download the cross-compilation tool on the arm website. Configure change variable VI ~ /. Bashrc Add the position of your cross-compilation tool in it, for example: Export Path

Install mysql-5.0.45.tar.gz

  (AH) recently, due to work needs, I finally started to play with Linux. Today I have compiled and installed MySQL for a day and recorded it. Forget it !!   (Card) installation environment: vmware5 (Bridge Mode) + RedHat e as 4 + have installed

Configure and install the ADB tool in Linux (UBUNTU)

First, download the tool package platform-tools-linux.tar.gz of ADB for linux. Decompress the package to any location. Do not delete it. Create and edit a file Sudo VI/etc/udev/rules. d/70-android.rules Write in: If your system is 10.10 or 11.04 (

Bash: test1: Command not found

Problem description: after setting up a Linux environment on a virtual machine (such as VMware) Again, program C and C ++. It is very likely that Bash: test1: Command not found.   Solution: VI ~ /. Bashrc, and add the following to the last line of

Eclipse under Fedora

Due to some problems with eclipse that comes with Fedora 4, for example, when you log on as root, opening eclipse will cause a crash. Therefore, you can only reinstall one of them when using eclipse. I. PreparationsFirst, make sure that JDK is

Enable Automatic completion of APT-Get

$ VI ~ /. Bashrc # enable programmable completion features # (you don't need to enable this, if it's already enabled in #/etc/bash. bashrc and/etc/profile # sources/etc/bash. bashrc ). if [-F/etc/bash_completion]; then. /etc/bash_completionfi If

Install Android ndk on Ubuntu 10.04

Installation steps: 1. Download The ndk package ,: Http://dl.google.com/android/ndk/android-ndk-r4b-linux-x86.zip 2. Configure ndk A. decompress the android-ndk-r4b-linux-x86.zip package. I am creating a working directory/workspace/ndk Store

Alias permanent settings

1. Code a shell script (myalias. Sh) like below: #!/bin/sh# Time-stamp: alias l48='ssh 172.0.8.248 -lroot'alias l49='ssh 172.0.8.249 -lroot'alias l50='ssh 172.0.8.250 -lroot'alias l51='ssh 172.0.8.251 -lroot'alias l52='ssh 172.0.8.252 -lroot'#... 2

Hadoop usage (6)

Chapter 2 Introduction 1st Writing Purpose Introduce pig, a hadoop extension that has to be said.1.2 What is pig Pig is a hadoop-based large-scale data analysis platform, which provides the SQL-LIKE language Pig Latin, the compiler of this language

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