Linux

1, what is Gpl,gun, free software:GPL (general Public License): the right to authorize, any person to obtain, modify, republish free software.GUN (Slave plan): The goal is to create a completely free, developed operating system.Free software: It is

First, local download JMeter> Download a jmeter compressed package to your local Windows PC on the website first>:http://mirrors.hust.edu.cn/apache//jmeter/binaries/apache-jmeter-3.0.zip> extract it out and then run the Jmeter.bat in the bin

Browse Directory Commands LS, CD, LL, dir Directory Operations mkdir, RmDir Browse files Cat, more, less, tail File operations RM, CP, MV, tar Detailed command: 1,ls LL LS View the files in the directory, Ls-l (equals ll) display the file and

1. Find a WiFi hotspotsudo iwlist scan2. Generate a Hotspot configuration (WPA2 encryption)sudo wpa_passphrase "WiFi hotspot name" "WPA password"The configuration code is generated in such a format:network={ssid=" ssid_xxx"#psk ="your_

Features of SambaInstallation of SambaStart, stop, restart of samba servicesConfiguration of Samba ServicesMaster Profile for Samba servicesSamba Server Configuration InstanceSamba Client SettingsWindows ClientLinux ClientHomework after

Unit 11th System Monitoringsystem monitoring and Process control tools-top and freefeatures of the top commandThe top command displays the specific meanings of some of the commonly used state information in the resultsfunctions of the free

Upgrade sshd to OpenSSH-6.7 and remove old version ssh1) Pre-upgrade preparationSee if a package is missing# Rpm-qa | Egrep "Gcc|make|perl|pam|pam-devel"If you have a yum configuration, you can install these packages directly from Yum, so that you

> Coverage>> AppendArchive (archiving) is the packaging of many files (or directories) into one fileCommon options for the tar command:C: Create a new tar file.T: Lists the contents of the directory in the tar file.X: Extract the files from the tar

The vi can be divided into three states, namely command mode, insert mode, and the bottom line mode, the function of each mode is as follows:Command-line mode:Controls the movement of the screen cursor, the deletion of characters, words, or lines,

First, the Linux system initialization processII. Process Management1, Top (real-time display system information)[email protected] ~]# Top2. Free (show memory usage status)FreeThe value of three red boxes is added to the total amount of memory used =

A. What is Linux?Linux is an operating system, like Windows,mac. Linux is a free-to-use and free-to-propagate Unix-like operating system, a POSIX and Unix-based multiuser, multitasking, multi-threaded and multi-CPU operating system.Two. Linux

The content originates from the people's post and Telecommunications press "Linux command Application big dictionary"tell 729 commands, 1935 examplesLearn about the Linux system's reference books, desk book, encountered the command or command not

I. Directory management commands (mkdir, rmdirThe types of Linux files are:-: ordinary file case; d: directory file; b: block device file; C: Character device file; l: Link file; s: Socket file; p: Pipe file.1. mkdir: Create directory (used for path

Linux Historyunderstand history to judge trends. Since we are already planning to jump into the pit of OPS, it is necessary to understand the historical deeds of the martyrs. Why is that necessary? Now we are in a knowledge age, the capital is

Note: 1. These three methods are mainly used in Redhat-based distributions2. If you do not know what the operating level is, it is best to look at the relevant data before the experimentThe first way: Ln-s establish a soft connection to startThere

The literal meaning of Sodo should be switch user excute a command as another user, with the permission of another user to execute commands. As in TV dramas, the emperor sent his confidant to investigate the corrupt officials, but the minister did

Fork ()Creates a child process.To create a single child process:pid_t pid;PID = fork ();if (PID = = 0){printf ("I am Child, pid=%d. Father pid=%d\n", Getpid (), Getppid ());}else if (PID > 0){printf ("I am Father, pid=%d. Child pid=%d\n", Getpid (),

Tag: State user Sys occupies system problem value development check1. Source of the problemOn the company's online environment, MQ could not accept the exception of the message, and the operation and the developer temporarily switched on to another

Chkconfig and chkconfig commands Chkconfig level: 0: Shutdown 1: single-user mode 2: multi-user mode without network support 3: multi-user mode with network support 4: reserved, not used 5: multi-user mode with network support and X-Windows

Common Linux commands (1): find, linuxfind 1. Command Format Find [-H] [-L] [-P] [-D debugopts] [-Olevel] [path...] [expression] 2. command functions Search for and process files at the file directory level 3. Command Options -Name finename Search