Linux

Video transcoding device MPlayer installation and use#!/bin/bash#1, ensure the system can be connected to the external network, need to download the installation package and the dependency package set-emplayer= "/usr/myapp" mpver= "MPlayer-1.3.0"

File typellYou can see the file details later:-: General file (internal type is what, with file command)d: Directory, catalog fileb: BLOBK device, block devices file, support random access in "block" units Major number: The main device ID,

Linux Installation and Learning installation sectionSince it was the first time I had knowledge of the virtual machine, I didn't know much about it, so I chose to follow the teacher's tutorial to install the VBox virtual machine completely.The

-------Start commandSystemctl Start DovecotService Courier-authlib RestartSystemctl Status Courier-authlibSystemctl Enable Courier-authlibSystemctl Start SASLAUTHDSystemctl Enable SASLAUTHD-------postfix-------ConfigurationFirst, equipment

This paper mainly introduces some basic concepts in the page reclaim mechanism. This document can also be viewed as reading a reading note in the first section of chapter 17th of Ulk. Although Ulk has read many times, but every time still feel a

iTOP-4412 Development Board LCD screen driver, iTOP-4412 Development Board support 4.3-inch, 7-inch, 9.7-inch LCD display. One of the 4.3-inch screen is the CPU directly out of the RGB signal, 7-inch screen and 9.7-inch screen is used for the LVDS

"One" on-line enquiry and Help commands (2)1.manman [Options] [command] View command Help, Dictionary of commands, more complex and info, but not commonly used. #man CD-A displays all manual pages, not just the first-F Displays only the command

in theLinuxServerdeployment in the environmentSSH2extension to compilePHPin the fileSSHscript commands, the specific configuration method is as follows, if it is in a formal environment to run directly, it is recommended to do backup. 1. Installing

During system maintenance, it may be necessary to review the CPU usage at any time, and to analyze the system condition according to the corresponding information. In CentOS, you can view CPU usage by using the top command. After running the top

compressing files and extracting files by Xshellgzip Tools.txt Compress "tools.txt" files　　　　　　Zcat tools.txt.gz View Compressed file "tools.txt.gz" contentgunzip tools.txt.gz Unzip the file "Tools.txt.gz"　　　　　Cat Tools.txt View File "tools.txt"

Core of the operating system--core kernel responsibilities 进程调度: Linux is a preemptive multitasking operating system where multiple processes can reside in memory at the same time, and each process can gain access to the CPU. Which

Yum (full name Yellow dog Updater, Modified) is a shell front-end package manager in Fedora and Redhat and SuSE. Based on RPM package management, the ability to automatically download the RPM package from the specified server and install, can

In Unix-like systems, users typically deal with a variety of related processes. Although there is only one terminal process (the user's login shell , which launches various programs and services through the shell) at login time, many related

For those who do not know Linux ,Linux and other computer-related fields are very mysterious, especially to see a lot of international blockbusters, such as the speed and passion of computer genius, the use of the "eye system", "Face recognition"

Linux learning notes-Explanation of Vim operation commands and learning notes-vim Linux Study Notes-Vim operations 1. Vim Introduction Vim is a powerful full-screen text editor, Is the most common text editor on Linux/UNIX, It is used to create,

How to create a video from a PDF file in Linux I collected a large number of PDF files on my tablet, mainly Linux tutorials. Sometimes I am too lazy to watch it on a tablet. I think it would be better if I could create a video from a PDF and watch

Three major text processing tools: grep, sed, awk, and grepawk1. Use grep to search for text in a file Grep can accept regular expressions to generate output in various formats. In addition, it has a lot of interesting options.1. Search for text

Build a Web development environment using IntelliJ IDEA and Maven Management (taking Spring MVC as an example) I used MyEclipse all the time. After I changed my job, the new company used IDEA. I first got to know IDEA and found that wow, there are

Build your own big data platform product based on Ambari Currently, there are two mainstream enterprise-level Big Data Platform products on the market: CDH launched by Cloudera and HDP launched by Hortonworks, among them, HDP uses the open-source

Configure two-way password-free authentication for SSH in LinuxI. Implementation Principle Use a public/private key authentication method for ssh login. The following is a simple explanation of the "Public/Private Key" authentication method:First,