Linux

I have been living in a Linux environment for a long time, and gradually I have a sense of environmental protection. For example, we will write "Wukong" in the logon prompt. I told you not to litter. It is wrong to litter. Why did you throw the

Today, I finally figured out a little bit about cainiao. Introduction: Usually writingCodeFirst, we need to include a header file. Where are these header files? This problem originated from the need to operate the PWM register of ok6410 in the

Kernel moduleCodeFile File YYYY. C (yyyy can have the same name or different name as module XXXX)(Something similar to a template)# Ifndef _ KERNEL __# DEFINE _ KERNEL __# Endif # Ifndef module // removed when added directly to the kernel. It is

Create a pppoe server come with me How to Create a pppoe server in LinuxEnvironment creation:Operating System: Upgrade Debian 2.2 to 3.0Inner Core: 2.2.4.18Hardware environment: Sai Yang 3 1.1G, memory 128 M, hard disk 40g, Motherboard chipset 694

RedHat provides an excellent way for administrators to change kernel parameters while the system is running without the need to reboot the system. This is achieved through the/proc Virtual File System. The/proc/sys directory stores most Kernel

In Linux, we can use Int pthread_create (pthread_t *Thread, Const pthread_attr_t *ATTR,Void *(*Start_routine) (Void *), void *ARG);But how to set the thread priority?When discussing this issue, we first need to determine the scheduling policy used

I haven't written a blog in recent days. I have been busy for a while, but it is coming to an end. It's time to take some time to study things with a real knife and do something meaningful. In the past two days, I took the time to continue to look

CAT/etc/passwd view Linux UsersRoot permission is required for CAT/etc/shadow to view user passwordsCAT/etc/sysconfig/network-scripts/ifcfg-ethn n indicates the network card number to view the IP address of the network card.IfconfigCAT/etc/resolv.

In general, the configuration of idle timeout can be divided into the following usage situations: 1. Intranet: (1) PHP or CGI ------- à server a (server that only provides services) PHP and CGI are short-connection operations on the backend svr a,

Why is the kernel code tree created? Cainiao simply thinks that it is like designing doors and windows for a house of a certain type (a certain version of Linux). Of course, we need to design the doors and windows based on the specific parameters of

I used to develop VxWorks in the past. The main communication mode is the serial port. Because the underlying BSP package is ready, the serial port communication is very simple. Later, when I came into contact with Linux and ran LINUX serial port

Introduction: in the previous article, we have implemented the loadable kernel module, which can be used to control the PWM timer and register the interrupt processing program. Here we will discuss the process of directly compiling the kernel module

This section describes the basic commands commonly used by the gdb debugger in Linux. All tests are completed under ubuntu12.10. Let's take a look at the gdb debugging: Source code: // Insert sorting, GDB debugging and testing Code # include int

Producer and consumer programming, using thread pools and semaphores. The concept of thread is not much said. First, let's talk about the advantages of multithreading: multithreading technology mainly solves the problem of multiple threads in the

Grep is the abbreviation of General regular expression parser. 1. The function of the grep command is to analyze a line of information. If it contains the information we need, we will take it out. It should be noted that it selects data in an

In Linux, data stream redirection means to transmit data that should appear on the screen after a command is executed to other places, such as files or devices. I. stadard output and standard error output First, we will introduce the data

Today, we finally finished using ruijie to break down the Linux Ubuntu network, which is very stable and never dropped! Great! Configuration is fast. First of all, my computer is a Ubuntu dual system installed on Windows 7 with wubi. The version is

Http://news.cnblogs.com/n/84066/     Linux is a cute little penguin, while FreeBSD is a little devil with a fork. Do you often hear people confuse Linux and BSD systems? Yes, I often hear from new users and even the media. Of course, the two

/* This is Part B of the appendix in John. Wiley. And. Sons. Linux. bible.2005.edition. It describes in detail how new users who want to know about Linux can join the Linux community. There are four methods in total. This document provides a

Upgrade Linux kernel and install NIC Driver in VMwareWednesday, rjl 20,200 5,-TechnologyI upgraded from redhat9 to 2.4.27. The kernel can be changed from http://www.kernel.org.Upload the kernel to your VMware Linux and decompress it. Then there are