Linux

#include #include #include #include #include #include #include int Main (int argc, char * argv[]) { if (argc!= 2) { printf ("Usage:%s \n", argv[0]); Exit (0); } struct Hostent * hostent = gethostbyname (argv[1

Original http://www.cnblogs.com/jjdiaries/p/3352215.html 41. Order: Ifconfig The Ifconfig command is used to configure network interface information. such as configuring the IP address of the network interface, the default gateway address, etc. so

How are you doing. Here is the Kite blog, welcome to communicate with me. If this blog is helpful to you, you may be able to comment below to leave a message for me. Cross-compilation Chain download Address:ftp://ftp.gnu.org/gnu/gccor download at

into your virtual machine, and then, right click on the label of your virtual machine, select the Settings-->options tab in a "shared folder" with the mouse to select it, and then in the right window, click to add a button, and then in your Linux

Description: The master machine is Windows, and a Linux machine is configured as a slave. This linux machine is for CentOS. 1, on the Linux slave configuration ① Create a user named Jenkins #sudo/usr/sbin/useradd-m jenkins-d/home/jenkins ② Set

ext: http://www.yunweipai.com/archives/11526.html first, Shell part 1. There are four methods of assigning variables in the shell, in which the Name=12 method is used to call a .A Direct AssignmentB Use the Read commandC using command line

process Analysis of registering platform_device from DTS file based on Linux 3.10.49 kernel Linux kernel 3.10.49+Here, let's talk about how Linux registers and initializes onboard information through DTS for device (Platform_device).Locate the

I wrote a simple hello.c. #include "stdio.h" void Hello (const char * name) { printf ("Hello,%s!/n", name); } $GCC hello.c There will be/usr/lib/gcc/x86_64-linux-gnu/4.4.5/. /.. /.. /.. /lib/crt1.o:in function ' _start ' : (.

hot-swappable and mdev mechanism in Linux Little Wolf @http://blog.csdn.net/xiaolangyangyang Mdev is a simplified version of the BusyBox Udev, the role is in the system startup and hot plug or dynamic loading of the driver, automatically generate

window file directory mount (Mount) to Linux system directory How Linux accesses the file directory under Windows. To mount the file share of the window system to the Linux CentOS directory, method steps: 1. Share the directories that need to be

a.introduction (32-bit system) Linux simplifies the segmentation mechanism so that virtual addresses (logical addresses) are always consistent with linear addresses, so Linux's virtual address space is also 0~4g (2^32). The Linux kernel divides

Use date to view the time less than an hour, with ntpdate asia.pool.ntp.org sync, or wrong. Set the correct time manually date-s .... Yes, but a sync back to the original one hour. It is right to view the clock time. That should be the time zone

There are two ways to run the. sh file under the Linux system, for example, I have a datelog.sh file in the root directory. The first (this approach requires the use of chmod to make the file conditional on execution (x): chmod u+x datelog.sh):

The origin of the problem Cross-compilation is very important (should be said to be necessary) for embedded development, but the recent use of cross-compilation tools on physical Linux machines has often encountered a problem: the cross-compile

1. How to communicate between processes in the network. There are many ways in which native interprocess communication (IPC) but can be summed up in the following 4 categories: Message delivery (pipeline, FIFO, Message Queuing) synchronization

Recently, the company to deploy a bug management system, online check, Zen is still very useful, the key to start open source. Not much nonsense, directly into the theme ~ ~ ~ 1, home must be ready to prepare Zen Road installation package slightly,

Bulk delete files in a specified directory Deletes all files at the end of the. Log in the current directoryFind. -name "*.log"-exec rm-rf {} \; Note:There is a space between 1.{} and \2.find. There are also spaces between the-name3.exec is a

A process closes all file descriptors at the end, releasing memory allocated in user space, but its PCB remains. The kernel holds some information in it: if it's a normal termination, save the exit state and, if it exits unexpectedly, save the

first, how to operate the equipment The operation of the device in Linux is done by means of a file, including open, read, and write. For device files, it is generally called a device node, The node has a property that is the device number (the

Linux kernel Configuration and compilation (X86 platform) This article turns from: http://www.linuxidc.com/Linux/2013-07/87360.htm Note: Only for learning Exchange Objective: (1): Configure and compile the Linux-2.6.29 kernel under the X86