Linux

Install and login command: login.shutdown.halt.reboot.install.mount.umount.chsh.exit.lastFile Processing command: FILE.MKDIR.GREP.DD.FIND.MV.LS.DIFF.CAT.LNSystem administration related commands:

Reprint please specify, original address: Click to open the linkhttp://blog.csdn.net/u010587274/article/details/51015532Previous steps can refer to my other blog: Click to open the linkLinux (CentOS 7.0) uses Yum to install configuration and use

CD is the abbreviation for Change directory and is the command to switch the working directoryHome directory: HomeCommon commands:Pwd:printing working DirectoryShow working directoryCd:change DirectoryCd[/path/to/somedir]CD: Switch home

Ls:list, listing the contents of the specified directoryNAMELs-list Directory ContentsSynopsisls [OPTION] ... [FILE] ...The following are common:-A: Displays all files, including hidden files, starting with hidden files.-A: Displays except. and. All

The Linux route command is used to operate or display the system routing table, to achieve communication between the two hosts, but restart the network card is lost, if you want to permanently save, you need to write to the configuration file.Route

Environment variables can be set by system, user, Shell and other programsAfter logging on to the system, the system reads the/etc/profile file, sets the environment variable, and if not, skipsCheck the. profile file for the home directory (/root),

Of course it's just a matter of introducing an order, it's that simple.Nginx creates a worker process by defaultroot 2713 1 0 07:56 ? 00:00:00 nginx: master process ../sbin/nginxnobody 2714 2713 0 07:56 ? 00:00:00 nginx:

System Centos7.2Workaround:1. Edit the "/etc/ssh/sshd_config" file to resolve the DNS, gssapiauthentication comments[Email protected] ~]# Vim/etc/ssh/sshd_configUsedns Disabling DNS ResolutionGssapiauthentication using Kerberos AuthenticationUsedns

Original works reproduced please specify the source + "Linux kernel analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000 Topic self-proposed, the content revolves about how the Linux system creates a new process;

1 Installing Cmake-qt-gui:sodo apt-get install Cmake-qt-gui2. Configure CMake:Go to the folder where opencv2.4.10 is stored and enter Cmake-gui. Go to the following screen, click Configure, select the last one, nextAfter finish, tick the following

Because under the ability is quite limited, there are inappropriate. I hope you criticize ^_^First, the concept of signal The signal (signal) is a soft interrupt. Signals provide a way to handle asynchronous events. When a variety

Chapter III Process Management"Learning time: 1 hours 30 minutes Compose Blog time: 2 hours""Learning content: Process descriptors, process creation and finalization, thread creation"Processes are the most basic of the UNIX operating system

Summary section:Operating system kernel three main functions:Process management, memory management, file systemThe core is the process managementTo manage, each process is described first. The process descriptor provides all the information that the

Record, April 1, 2016, my location: Beijing, sunny, a little hot, on the eve of the Qingming Festival.Get into the old boys ' OPS online training course on the first day, everything was so fresh. Although I have been engaged in web development for

Because of the data requirements, it is necessary to crawl and filter the data frequently for about 7 8 months. Changed the data on the machine, restarted, found "No space left on device"Workaround:1. Delete log directly (simple and rude): Delete

The description of the week process and the creation of the process the process descriptor TASK_STRUCT data structure 1. Operating system three major functions Process Management Memory management File system 2.Process Control

Environment CentOS 5.xProgram Example 1: #include #include    void bug () {     system ("reboot");//re boot system    exit (0);//end process    }   int stack_test (INTA,INTB)//function stack   Press in   main function, a copy value, b in high

One: Configure static IP1: Switch to graphical user interface with STARTX naming;2: In "Start"--"System Setup"--"network"--eth0The IP will be changed to statically bind IP via DCHP auto-acquisitionIP address: Fill in the IP you want to give, you

Linux vim command and linuxvim commandIntroduction The vim commands and vi operations are basically the same. The vim commands have many parameters. Here I list some parameters that are usually used, vim has two main interfaces: the esc operation

Install and configure JDK in linux 1. Copy jdk to the installation directory(1) assume that the jdk installation file is on the desktop. The specified installation directory is/usr/local/java. However, after the system is installed, there is no java