Linux

Text viewing and editing1. Text Editing commandsVi/vim2. View File Contents command Command Description Command format Parameters Cat Continuously output the contents of a file on the screen

(1) New hard disk to its partition hard drive file name CentOS 6.9-0.VMK650) this.width=650; "height=" 129 "title=" clip_image001 "style=" border-top:0px;border-right:0px;border-bottom:0px; border-left:0px, "alt=" clip_image001 "src="

Focus: Absolute path: "must be the root directory/write"; Relative path: "Not by/written, but by relative current directory"; Special directories are:.,...,-, ~, ~account needs attention; Directory-related directives are: CD, mkdir, RmDir,

View the process? Kill the process?Ps-e|grep XXX View program corresponding to the PID number;Ps-aux | grep xxx shows all the status of the program;kill-9 xxx End corresponding PID number process; (-9 forcing process to stop immediately)Kill Mysqlid

(The piece turned from a master to do)start the first step --load the BIOSWhen you turn on the computer, the computer loads the BIOS information first, and the BIOS information is so important that the computer must find it at the very beginning.

Cat:cat file1 file2 File3 The purpose of this command is to put the contents of the file together.-s removes extra blank lines.Find;: File lookup, traversing down the file hierarchy.We can use pipelines to redirect the stdout (standard output) of

NETSTAT-NUPL (UDP-type port)NETSTAT-NTPL (Port of TCP type)A means alln indicates that DNS is not queriedT represents the TCP protocolU means UDP protocolP indicates the program occupied by the queryL indicates that the query is listening on the

Linux is a multi-user operating system, users to use the system, the first must log on to the system, after using the system, must exit the system.This chapter focuses on methods for logging in and exiting the system:When the user logs on to the

In the configuration of the machine, can be installed a dual system, but in my own book, disk read and write too much garbage, even compressed volume can not execute, can not make space, can not install the CentOS system, no way, the use of virtual

^ matches only the beginning of the line$ matches end of line only* A single character immediately following *, matching 0 or more characters[] matches the characters inside [] . Can be a single character, or it can be a sequence of characters ,

Linux packaging compression and decompression commands DaquanLinux compression and decompression command Daquan tar commandUnpacking: Tar zxvf Filename.tarPackage: Tar czvf filename.tar DirNameGZ commandDecompression 1:gunzip

The/etc/nologin file provides system administrators with a way to prevent users from logging on during Linux system maintenance.If the/etc/nologin file exists in the system, then the normal user will fail to log in.This is a way to improve security

1. IntroductionShutdown is a command used to keep a computer on hold, shutdown, reboot2. Syntaxshutdown [KRHHPC] [TIME] [warning message]Format of time: hh:mm indicates how long it takes to execute later now execute immediately　　　　　　　　+m m minutes

1. IntroductionIn Linux, a file or directory has a lot of permissions, and the most basic permissions are nine, respectively, the owner , the user group , the other person 's three objects read, write, execute the permissions.The chmod command is

1, under the Linux system, restart Tomcat to use the command to operate!Method One:First, go to the bin directory under TomcatCd/usr/local/tomcat/binUsing the Tomcat Close command./shutdown.shTo see if Tomcat is shutting downPs-ef|grep JavaIf the

1. Find the Software installation directoryWhereis/usr/bin/mysql/usr/lib/mysql/etc/mysql/usr/share/mysql/usr/share/man/man1/mysql. 1. gz2. Find the Software run directorywhich MySQL/usr/bin/mysql3. Find Files#当前目录下寻找dump开头的文件 sudo Find -name dump*. /

Common parameters: -L: Lists Long data strings, including file attributes and permission data, etc. -A: Lists all the files, together with hidden files (files that begin with.) (common) -D: Lists only the directory itself, not the file

Install the B43XX Series Wireless NIC Driver in archlinux and archlinuxb43xx My wireless network card is the B43xx series of Broadcom. We all know that Broadcom's poor support for its WiFi card on GNU/Linux is notorious. Use lspci-vnn-d 14e4: Or

An error occurred while obtaining the object in VirtualBox COM in Windows 7. windows7virtualboxI. Problems When virtualbox is installed in Windows 7 today, the following error occurs: VirtualBox COM failed to get the object, and the application

Suse12 installation details, suse12 details  1. Deployment steps1.1. Start the installer On the launch page, select Installation and press Enter. This will load the SUSE Linux Server installer and install it in normal mode. Select English (US) as