Linux

During GCC compilation, some libraries are not automatically linked. For example, the second routine in Chapter apue 11th calls pthread_create to create a thread, but the following prompt is displayed during compilation: Undefined reference to

When you use secrecrt to remotely access a Chinese Linux host, garbled characters are displayed in Chinese. Set securecrt settings: Options-> session options-> appearance-> character (character), select UTF-8. My system is lang = "en_US.UTF-8",

I encountered a problem with the DVD drive, and I always felt that the DVD was not safe. So I explored how to use a USB flash drive to enable self-boot and install a Linux operating system like a drive or other Windows OS. Let's talk about the

The boot process for Linux systems is divided into three phases. Phase 1: boot-> post-> int19-> BIOS-> MBRWhen the user powers on the computer, the computer will perform a series of checks on the system hardware configuration. This process is called

# Cat stream #! /Bin/bash # Write by Neil. Xu QQ: 37391319 Email: xurongzhong@gmail.com # We need to monitor streams of lts channels, so writeThisScript Typeset in in_old dif_in dif_in1 dif_out1 Typeset out out_old dif_out In_old =

Run the vimrc configuration file in a Linux environment built with cygwin in windows. Note that W is required for saving the file for the first time! Command! "Import external source"""""""""""""""""""""""""""""""""""""""" """""""""""""""""""""""""""

The Linux initial RAM disk (initrd) is a temporary root file system mounted during system boot. It is used to support the two-phase boot process. The initrd file contains various executable programs and drivers that can be used to mount the actual

VI filename: open or create a file and place the cursor at the beginning of the first line Vi + N filename: open the file and place the cursor at the beginning of line N Vi + filename: open the file and place the cursor at the beginning of the last

There are many articles on Chinese input on the Internet. Here I just want to streamline some concepts. 1. Input Method platform:In Windows, the input method and the input method platform seem to be unclear. In Linux, their concepts are well

1. General Form of the find command:Find pathname-options [-print-Exec-OK]Pathname find command to find the directory path 2. Use the name option:Find/etc-name "Host *"-print find the file name starting with host in the/etc directoryFind.-Name "[A-Z]

Abstract: This section describes some special operations on processes. With these operations, the process programming is improved and more practical programs can be compiled. The main content is to get various process IDs, set the user ID of the

The biggest headache for multithreaded programming is the shared data. Because you cannot know which thread will operate on it at which time, you cannot know which thread will run first, and which thread will run later. Some technologies are

Abstract: This section describes the process definition. As the basic cell of the system, a process is not only an entity that runs independently inside the system, but also a basic entity for independent competition of resources. Understanding the

[Environment] virtualbox 4.0.4, centos 5.5x64 Heartbeat [1] is one of the most common ha solutions in Linux. It is mainly used to solve the single point of failure (spof) Problem of the front-end server of the cluster. As the name suggests,

# DEFINE _ set_gate (gate_addr, type, DPL, ADDR, SEG )/Do {/Int _ D0, _ D1 ;/_ ASM _ volatile _ ("movw % dx, % ax/n/t "/"Movw % 4, % dx/n/t "/"Movl % eax, % 0/n/t "/"Movl % edX, % 1 "/: "= M" (* (long *) (gate_addr ))),/"= M" (* (1 + (long *)

1. Environment Description: Oracle10.2.0.1 _ linux_x86_64 Linux radhat performanise5_64 ArcSDE 9.3.1 for linux_oracle10g_64 2. For installation steps, refer: Http://wenku.baidu.com/view/66bf0375f46527d3240ce056.html Http://www.gisall.com /? Uid-5624-

Reprinted description: Author: linghe301, space: http://my.csdn.net/linghe301 Address: http://blog.csdn.net/linghe301/article/details/7379818 Because the ArcGIS license files used by many users are temporary and can be updated after the user

From: http://www.adaiw.com /? P = 319 1. Find parameter:-mtime N, which indicates (n + 1) * files within 24 hours. The subscript starts from 0.Find the files modified within 24 hours and go to the directory at the upper level: find *.apk -mtime 0

We need to use the API provided by another driver (I2C) When making a driver today. We encountered a dependency problem during kernel initialization. My driver runs before I2C initialization, And the API provided by I2C is still unavailable. I

Batch: execute commands when the system load level permits Purpose: execute commands when the system load level permits. In other words, it runs when the average load is lower than 0.8, or drops to the expected value specified in the Atrun