Linux

http://blog.csdn.net/thinkerabc/article/details/647272 Command time-execute the command and timing Format time [P] command [arguments ...] Description Executes the command-line command [arguments], which prints the results of the time statistic

1. Add the Hello directory under the drives directory, containing hello.c kconfig MakefileHELLO.C content:#include #include Module_license ("Dual BSD/GPL"); static int hello_init (void){PRINTK (Kern_alert "Hello, world\n");return 0;}static void

This article explains how to configure the Linux kernel to implement its support for USB cameras. 1, configure the kernel; Allow the following command to configure the Linux kernel [HTML] view plain copy print? Make Menuconfig2, enable the camera

in Linux we often use U disk, SD card mount problem, each time manually mount or uninstall is very troublesome, we can take the following methods to achieve automatic mount or uninstall U disk, SD card 1, first in the/ETC/INIT.D/RSC to add the

Which view the location of the executable file Whereis View the location of the file Locate view file location with database Find actual search hard disk query file name 1, which Which is looking for executables through the PATH environment variable,

Jenkins configuration Slave specific steps 1 Enter Jenkins to find "System Management" 2 Go to Jenkins System admin page to find "Management node" 3 Find "new node" in the Node Management menu 4 new node page input node name, select Dumb Slave,

centos6.x Configure NIC Bindings (mainly understand three kinds of modes: mode=0,1,6.) Stop NetworkManager first.Service NetworkManager StopChkconfig NetworkManager off//power-on self-boot shutdown In the/etc/sysconfig/network-scripts/directory to

From: http://blog.sina.com.cn/s/blog_5b9734c501011l4b.html $ tar zxf readline-5.2.tar.gz$ CD READLINE-5.2/$./configure--host=arm-linux--prefix=$ (pwd)/_install$ make$ make Install The meaning of/configure--host=arm-linux--prefix=$ (pwd)/_install

Man for a moment rear, is so explained: NAME rear-bare Metal disaster recovery and system Migration Tool synopsis rear [-h|--help] [-v|--version ] [-DSSV] [-d|--debugscripts SET] [-C DIR] [-C CONFIG] [---] [-] [] [--] COMMAND [ARGS ...]

To create a certificate login: Collects the public key of all users who need to log in, the public key is in the Id_rsa.pub file, and imports our public key into the/home/git/.ssh/authorized_keys file of the Linux server where the Git library

In Linux, the Trap command is used primarily to receive signals and act, signals are sent asynchronously to a program's event, by default, a program can be terminated, and the Trap command prototype is as follows: Trap command Signal Signal is the

The function of this command is to copy the given file or directory to another file or directory, which is as powerful as the copy command under MSDOS. Syntax: CP [option] source file or directory destination file or directory Description: This

Today, a new egg on the order of a 1TB hard drive to install Ubuntu, of course, the first to do homework, check the attention. Basic skills, formatting commands, to format/DEV/SDA1 partitions as an example: $ sudo umount/dev/sda1 # You must

Registering a SDIO driver will call the following function: /*** Sdio_register_driver-register a function driver* @drv: SDIO function Driver*/int sdio_register_driver (struct sdio_driver *drv){Drv->drv.name = drv->name;Drv->drv.bus =

Change from: Http://z515256164.blog.163.com/blog/static/324430292011113112712825/linux the difference between open and fopen: The difference between open and fopen:The main difference is that it involves the system, not the buffer. With F is

Linux kernel Configuration and compilation (X86 platform) Original link: http://www.linuxidc.com/Linux/2013-07/87360.htm Objective:(1): Configure and compile the Linux-2.6.29 kernel under the X86 platform(2): Install the compiled kernel under VMware

Operating system: CentOS 6.8 1. Install MAILX Yum Install mail 2. Configure SMTP Vi/etc/mail.rc Set from=*** @qq. com Set smtp-auth-user=*** @qq. com Set smtp-auth-password=igsre*** Set Smtp-auth=login Set Ssl-verify=ignore Set

Second Extended FS Support EXT2 file system is a standard Linux file system, good at processing sparse files EXT2 Extended Attributes EXT2 file System extended attributes (Name:value pairs associated with the Inode) support EXT2 POSIX Access Control

We create a folder under root and create a file under that folder, so what does the other user have to do with the file's permissions? Let's explore the impact of the parent directory's permissions on the child file. First, create the test folder

Linux deletes files with special characters Sometimes we need to delete some files with special characters, but we don't know how to delete them, like I do, and here are some of the ways I've learned to delete: rm–-filename rm./-filename RM * some*