Linux:-bash: * * *: Command not found, the system many commands are not used, are prompted not to this command.All of a sudden, Linux has many commands that are not used, prompting for no such command.This should be caused by a problem with the
Cygwin use experience
1. Access windows disk in Cygwin
Cd/cygdrive/c
CD C:
2. Consolidate Cygwin commands to Windows
Assuming that Cygwin is installed in D:/develop/cygwin, add D:/develop/cygwin/bin to the system variable path (preferably in front
After installing Git in the CentOS system, it is found that there is no command automatic completion function, and the Ubuntu system has this function by default, the following is implemented so that CentOS also supports GIT's command automatic
There are two ways to solve this problem:
Method One: Modifying the BASHRC file disables the alias of CP
[root@~]# VI ~/.BASHRC
Add the "#" comment before alias cp= ' Cp-i ', and you can implement replication without prompting after you log in
Because of the need, four virtual machines have been built on their own small Ben, and are planning to build a 1+3 Hadoop distributed system.Environment: hadoop2.7.0+ubuntu14.04 (64-bit)First rename each host for the built-in virtual machineMethod:
1. What is an environment variable (PATH)In Linux, when the command is executed, the system will follow the path's settings to search for execution files under the paths defined by each path, and the first files to be searched are executed first.We
Wow! Installation is very annoying Ah, the last discovery is the cause of their own network. Meditation Summary!!!Python is 3.6CentOS 6 64-bit1. Install Python801704712. Install Pipwget
Way One:Ubuntu just installed the command Line Input command is not automatic completion, you can make the following changes to add command line command auto-completion function.Modify the /etc/bash.bashrc file if [-f/usr/share/bash-completion/bash_
In the terminal under the use of Vim for editing, by default, the editing interface is not displayed line number, syntax high-brightness display, intelligent indentation and other functions.
In order to better work under VIM, you need to manually
Recently used Nutch, the purpose is to target some of the site to crawl its content, and then do analysis.
Nutch Notes is my use of the Nutch process a series of summaries, write down their own learning and share with you, also hope to get everyone'
1. Access to User root directory
CD ~ or CD
CD ~hadoop
Back to the original path
CD-
2. View file Details
Stat A.txt
3. Mobile
MV a.txt/ect/
Renamed
MV B.txt A.txt
Move and rename
MV A.txt. /b.txt
4 copies and renamed
CP A.txt/etc/b.txt
5.VI
VI is no color, vim is a color.We can look through the Rpm-qa |grep vim to see if the system installed the following 3 rpm package, if there is a vim installed. [Root@betty ~]# Rpm-qa |grep
First go to the Oracle Web download JDK, I downloaded the jdk-8u51-linux-x64.tar.gz this version, the official web also has an RPM file, this is a Red Hat company installation version, I downloaded this version, and then in Ubuntu also installed rpm
CentOS Common Settings
1. Hide title bar when maximized
Or use Tweak tool to set the title bar font to 0 in the font ... Suggest this method.
2. Add Epel Source
Yum-y--nogpgcheck Install
There are two ways of doing this:
One way is to configure the service based on the run level
One way is to perform a local special configuration
For example, the task is to run the command at startup Hacker
Mode one:
1, set up
1. Installation dependency Pack and Chinese man Handbook
sudo apt-get install manpages-posix manpages-posix-dev
sudo apt-get install
Generally execute these two on it, if you have not switched to Chinese, open the file
sudo
Because Java has been put down for a long time, and now mainly want to learn the direction is not Java, but Linux, my dream job is the network operation and maintenance engineers. But now the teacher has a project to use Javame, so now pick up Java
1. Download:
Https://docs.labs.mediatek.com/resource/linkit-smart-7688/zh_cn/downloads
I downloaded the openwrt SDK for C/s + + for Linux, tried the following toolchain, but the environment was set up after the prompts me to say that the lack of
http://c.biancheng.net/cpp/shell/
what the shell is. is a command line interpreter, it provides a user with a Linux kernel to send a request to run the program's interface system-level programs, users can start with the shell, hang, stop or even
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