Linux

One, Linux installation The installation process follows the steps in the teacher's blog, followed by the following questions. The virtual machine system version can only install 32-bit systems Baidu found a solution, to the BIOS

DF Command:Used to display the available disk space on a disk partition. The default display unit is KB. You can use this command to get information about how much space the hard disk is taking up, and how much space is left.The results of DF

The interface will normally appear when we enter the password for the first time. Of course, I have an extra a, this time for some of our Linux rookie do not know what to do, now let me try to learn a command LS, when I say this life is listed or

* * Regular expression: regual expression, shorthand regexp**A pattern written by a class of special characters and text characters, where some characters do not represent their literal meanings, but are used to denote control or wildcard

Wc:word CountWC [OPTION] ... [FILE] ...-l:lines-w:words-c:bytesCut: Text Capture toolCut OPTION ... [FILE] ...OPTION:-D CHAR: Delimiter with the specified character;-F Fields: the selected field;#: The specified single field;#-#: multiple

The PS command is the abbreviation for process status, used to list the processes currently running on the system, using this command to determine which processes are running and running, whether the process is complete, if the process is dead,

One, virtual memoryLet's take a look at a picture (from the full anatomy of the Linux kernel), as follows:Fragmentation mechanism: It is divided into code segments, data segments, stack segments. Each memory segment is associated with a privilege

The four-week study summary catalogueI. Knowledge context diagramTwo. Package ManagementThree. Disk ManagementI. Knowledge context diagramTwo. package Management 1. Software composition 二进制应用程序的组成部分： 二进制文件，库文件，配置文件，帮助文件Library files:

Linux Date Modification TimeCommand format: Date-s modified time characterExample: Modifying the system date, not modifying the time (hours and seconds)# date-s 2020-12-20Example: Modifying the system time without modifying the date# date-s

First, the Command Line Foundation Command formatBasic usagecommand word [options] ... [Parameter 1] [Parameter 2] ...[] indicates that the contents are optionalCommand word must exist when executing a command, options and parameters are

Configure static element expiration time Check if HTTPD load expires module Turn on the Expires module function Virtual Host configuration file     expiresactive  on    ExpiresByType image/gif  "Access plus 1days"   

I. Administrative authority and attribution1. Overview of permissionsDocument attributionOwner (U): The user who owns this file/directory-userOwning Group (g): The group that owns this file/directory-groupOther users (O): Users other than the owner,

1, the composition of the computer and its functions. Computer systems are divided into two parts: hardware system and software system. (1) The hardware system consists of five parts, including: Controller: Dispatcher, data, address, coordinate the

Linux installation and Getting Started Linux installationThe Linux system was contacted at the time of the last semester, and a virtual machine was built using the VMware Workstation Pro software on its own computer. Later saw the teacher's

Starting pointToday installed using Kail Linux when the tab command can not be complete, combined with Ubuntu, because the default Ubuntu created by the normal account, the default shell is/bin/sh, and this does not support tab key, so the

First explain my system configuration: Ubuntu 12.04?? GCC 4.6.3A few days did not use Ubuntu, today took out the program, just started to compile a uboot1.1.6 code. There is a stdio.h: there is not a file or folder error. Since I was using the

This command is used to evaluate the directory/file spaceFor example, now want to see the/etc/directory occupied space, if you use the LS command to viewThe/etc/directory cannot occupy only 8k of spaceThis requires the use of the du commandBy

Basics of Linux 1. computer components and functions.Computer systems are mainly divided into hardware systems and software systems. (1) The hardware system consists of five parts, including: Controller: scheduling program, Data, address,

Tutorial on modifying network configuration After cloning centos6 Virtual Machine in Linux, linuxcentos6 This configuration is based on centos6. Generally, when you directly clone a VM and execute ifconfig on the obtained Vm, the IP address is

Git: view the list of files submitted for modification recently or at a time. Git displays the latest or modified file list commands. Git log -- name-status: the list of files modified each time. The status is displayed.Git log -- name-only list