Linux

The short name of the NFS (network File system) is a common way of file sharing between Linux systems, and the following is a brief description of its construction process, which requires two Linux system virtual machines. Assume that the client's

Shell mode1. Use Minicon-s to configure the serial port and save;2. Use setserial/dev/ttyusb0-a, etc. to view the serial configuration;3. Receiving side cat/dev/ttyusb0 waiting for serial output;4. Send echo "at+rst\r\n" >/dev/ttyusb0 send

This article address http://comexchan.cnblogs.com/, author Comex Chan, respect intellectual property rights, reproduced Please indicate the source, thank you!Sometimes, the difference between the points of discovery is wrong. To delete a partition,

This article address http://comexchan.cnblogs.com/, author Comex Chan, respect intellectual property rights, reproduced Please indicate the source, thank you!Backing up the time zone configuration fileCp/etc/localtime/etc/localtime. ' Date

This article address http://comexchan.cnblogs.com/, respect intellectual property rights, reproduced Please indicate the source, thank you! Query disk information and plan for zoningExecute the following command to query the disk information:

1. Preparatory work Systemctl Disable Firewalldsystemctl stop firewalld setenforce 0hostnamectl set-hostname libvirt-manage rpm-qa|grep kvmy Um groupinstall virtual* yum install Virt-manager libvirt libvirt-python

1, Linux part directory structure introduction/: Root directory, the general root directory to the storage directory, try not to store files;/etc,/bin,/dev,/lib,/sbin should be placed in a partition with the root directory./bin: Executable binary

The matching process of ①input_device and Input_handlerWhen Input_device matches the bitmap information in Input_handler->id, the match succeeds, and then the Input_handler->connect function is called to create the corresponding device access node

Linux Quick View public network ip,linux View public IP There are many kinds, the following main introduction three kinds: the principle is to send a URL request via the Curl command, return the corresponding IP. or send an IP request to return the

GCC options:1. Control the compilation options for the standard version-ansi tells the compiler to comply with the ISO C90 standard-std=:c89,iso9899: The latest ISO c90 standard, gnu89:c89 standard2. Constants that control the standard

It's mainly a fourth method.(1) Ifconfig commandThe first is to configure the IP address of the NIC using the Ifconfig command. This command is typically used to test for zero, and after the computer startsThe configuration of the IP address is

Centos:1. Press "E" in the Grub Boot interface to enter edit mode2. Choose Kernel/... And then in the "E"3. Add "single" to the back. Press "B" again.4. Enter: "passwd root" to enter the new root password5, reboot, doneUbuntu:1, press "E" in the

Zi Gong asked for benevolence. Zi Yue: "工欲善其事, its prerequisite." The house is the state, the sage of his doctor, the benevolence of his friends. --Confucius (Spring and Autumn), "The Analects and Weiling" "工欲善其事, its prerequisite"Master a

Zi Gong asked for benevolence. Zi Yue: "工欲善其事, its prerequisite." The house is the state, the sage of his doctor, the benevolence of his friends. --Confucius (Spring and Autumn), "The Analects and Weiling" "工欲善其事, its prerequisite"Master a

1. Text Processing class command     wc [option] file        - L: Count of rows         -c: Statistics bytes          -W: Count words             tr  convert or delete characters          tr  ' collection 1 '   ' Set 2 '   convert characters         

Linux Background Knowledge:(1) von Neumann System:650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/80/04/wKioL1c0dlvw8uH_AAFj1Nr6XWs393.png "alt=" Wkiol1c0dlvw8uh_aafj1nr6xws393.png "/>Note: ① Memory refers to ram. ② CPU The data read is

The following operation will divide the data disk into a partition to use. 1, view the data disk before partitioning and formatting the data disk, using the "df–h" command, you cannot see the data disk, you can use the "fdisk-l" command to view.

An error occurred while connecting Jenkins to the Git server in CentOS6. centos6jenkins When GitLab + Jenkins automatic integration is studied todayFailed to connect to repository: Command "git config -- local credential. helper store -- file =/tmp/

Magic secondary CT, magic secondary CT When I want to write an automated script, I have to interact with each other, such as ssh or scp, And I am helpless until I know about reverse CT. CT has a series of CT-send pairs, just like chatting. Wrong

Install Swift 2.2.1 In Ubuntu 14.04.4 Swift 2.2.1 was recently released and downloaded. It is an interactive and interesting programming language, applicable to iOS, OS X, tvOS, and watchOS. The syntax is concise and expressive, and applications run