Linux

Function Description: Hard disk partition tool program.Syntax: Sfdisk [-? tvx][-d ][-g ][-l ][-s ][-v Additional Note: Sfdisk is the hard disk partition utility program, which displays the settings information for the partition and checks if the

IntroductionLsof (list open files) is a tool that lists open files for the current system. In a Linux environment, everything is in the form of files, with files that not only access regular data, but also access to network connectivity and hardware.

In Linux you can use tar to package catalogs to facilitate the transfer or backup, let's take a look at an exampleThe test folder has the following files1[[Email protected] ~]# ll Test2Total dosage83-rw-r--r--.1Root root0April - A: -a.jpg4-rw-r--r--

CentOS (learning notes 1) and CentOS (learning notes) Cainiao records1. Configure the network and Firewall Setup command2. View Networks Ifconfig restart the Network/ect/init. d/network restart or ifup ethx (0, 1, 2) and so on to view the network

Mkdir command (for conversion) and mkdir command Original article: http://www.cnblogs.com/peida/archive/2012/10/25/2738271.html The linux mkdir command is used to create a directory with the specified name. The user who creates the directory must

Rm command (to), rm command Original article: http://www.cnblogs.com/peida/archive/2012/10/26/2740521.html Rm command. Rm is a common command used to delete one or more files or directories in a directory. It can also delete all files and

Nl command (to), nl command Original article: http://www.cnblogs.com/peida/archive/2012/11/01/2749048.html The nl command is used in linux to calculate the row number in the file. Nl can automatically add the row number to the output file content!

Touch command Original article: http://www.cnblogs.com/peida/archive/2012/10/30/2745714.html Linux touch commands are not commonly used. They are generally used when you use make to modify the file timestamp or create a new file that does not exist.

Ubuntu environment variable configuration file (to), ubuntu environment variable Original article:Http://www.cnblogs.com/eastson/archive/2012/06/15/2550151.html Environment variables can be set in the following files in Ubuntu: /Etc/profile: The

Less command (to), less command Original article: http://www.cnblogs.com/peida/archive/2012/11/05/2754477.html The less tool is also a paging display tool for files or other outputs. It should be said that it is an orthodox linux tool for viewing

Head command Original article: http://www.cnblogs.com/peida/archive/2012/11/06/2756278.html The head and tail are just as easy to understand as their names. They are used to display a certain number of text blocks at the beginning or end, and the

APUE exercise 8.7, apue8.7 I found that this exercise had no answer when I was reading a book, so I wanted to post my own results and share them with you! First, paste the question: /***********POSIX.1 is mentioned in section 8.10 To disable the

Install JDK + Tomcat in RedHat Linux 5.5 and deploy Java Projects I would like to share with you the steps for installing JDK + Tomcat in RedHat Linux 5.5 and deploying a Java project. 1. Download and install jdk Install RedHat Linux 5.5 64-bit

JConsole remote connection JConsole is easy to use and can solve many problems. However, you need to set Java opt for remote connection. Follow these steps: 1. Add the following content under java opt: If you do not need to verify to add JAVA_OPTS =

CentOS6.5 use Nginx + Passenger to deploy the Ruby on Rails Environment This article describes how to use Nginx + Passenger to deploy the Ruby on Rails environment. The operating system version used in this article is CentOS6.5.1. Install ruby Wget

Hadoop single-node installation and deployment Next we will install and deploy Hadoop step by step:Starting from scratch Machine EnvironmentDistributor ID: CentOSDescription: CentOS release 5.8 (Final)Release: 5.8Codename: FinalJdk versionJava

Principle Analysis of HDFS File Reading in Hadoop The previous article briefly introduced some logic and simple principles of Hadoop file storage (see). When writing data, you must read the analysis data, the following describes the logic and simple

JConsole JDK1.6 User Manual JConsole's graphical user interface is a monitoring tool compliant with Java Management extension (JMX) specifications. JConsole uses Java Virtual Machine (Java VM) to provide information about the performance and

Quick configuration of Apache server and webDav server on Mac When you need to send a request by typing code at home, you can configure the local Apache and Mac server. This is easier to use than the local server on windows. The following describes

Rsyslog configuration and usage tutorial 1. Rsyslog IntroductionRsyslog is Rocket-fast System for Log processing. Rsyslog is the default Log processing software of CentOS6 series. Rsyslog provides a high-performance and secure log processing system