Linux

  Someone asked, How can I write a driver for so long?   Indeed, it is not easy for everyone to go all the way, but now that we have reached today, we can only stick to it.   Usb_stor_acquire_resources () is used to obtain resources by name. What is

  I have known asynchronous IO for a long time, but it has not been used recently to solve the actual problem (in a CPU-intensive application, some data to be processed may be stored on the disk. The location of the data is known in advance, so an

  In the backup. sh file, write the following: BACKUP = "/home/gfdpsdev/backup/dps_backup" TIME = $ (date + % F) BACKUP_PATH =/home/gfdpsdev/backup/dps_backup/$ TIME If [! -P $ BACKUP_PATH] Then Mkdir-p "$ BACKUP_PATH" Fi Cd BACKUP Tar-X *.

  1. Let's take a simple look at the concepts related to programs and processes. Program: binary files used by users. Process: Some information related to the program that is loaded into the memory after the program runs. Such as process id pid and

  1. First download JDK from the JDK official website. It has been updated to JDK 7. Select the first JDK 7 ). Check the above Accept License Agreement option, then download the second jdk-7-linux-i586.tar.gz 2. After the download is complete, you

4. Create a userIn addition to setting the root password, we recommend that you create a common user here. Select YES to go to the next step. For example, select the second item to add a common user. Pay special attention to the following figure

  # Two Methods for batch file name modification in linux# Date: 21: 34 2011-11-10# Author: Old Boy# QQ: 31333741 MAIL: oldboy521@hotmail.comPsite: http://oldboy.cc (coming soon) # Pblog: http://etiantian.org######################################## #

  1. opencv2.2 compilation failure: When making, an error occurs: 'ptrdiff _ t' does not name a type, causing a compilation error. This is why I tried to choose opencv IN THE SYSTEM library many times without success. The specific reason is that no

  1. What is sudo?   Sudo is a linux system management command. It is a tool that allows common users to execute some or all of the root commands, such as halt, reboo, and su.   Using sudo not only reduces the logon and management time of the root

  1. system logs: /Var/log Event Log: records everything that happens Many subsystems generate logs such System, mail. web. dns The most detailed debug record level Info, warn, error, and alert are event-level logs. Divided into different

  Share a small software with you Many of my friends have installed windows and ubuntu dual systems. (well, this refers to hard disk installation. If wubi is used, it is just like uninstalling a common program on the control panel ). However, if

  Download a NVIDIA-Linux-x86_64.run driver on nvidia's website, which is not very comprehensive. I installed it on a 64-bit host. I encountered three problems: disabling xserver, inconsistent gcc versions, and the lack of kernel-source. The

  Environment: Centos 5.6 64-bit IP Address: 192.168.1.98 Step 1: Install 1. install Apache Yum install-y httpd 2. Install Subversion Yum install-y mod_dav_svn subversion Step 2 configure apache 1: vi/etc/httpd/conf/httpd. conf 2: Find ServerName,

  Environment: Ubuntu10.04   Steps:   1. sudo apt-get installportmap   2. sudo apt-get install nfs-kernel-server   Note: in step 2, I failed to install the nfs-kernel-server, which is still the case after the source change. Finally, I searched for

  Redhat Linux Enterprise Edition is released free of charge, but technical support and updates require service fees. If our RHEL is not registered with RHN, we cannot download the update package through yum.   CentOS is a Linux release that uses

  I. Installation Method For the quick installation method, see, but I have not installed it successfully, it may be a problem with the optical drive. How to install Gentoo in Linux Gentoo linux has several installation methods. The following uses

  (>) Redirection output symbol Usage: Command> file name Feature: overwrite (when the input and output files are the same file, the file content is cleared; not suitable for continuous redirection) Typical applications: ~ $ Cat a B> c (merge files)

  1. Modify network settings   Open/etc/network/interfaces and add the following # # The loopback network interface (configure The loopback interface)   # Automatically activate lo at startup Auto lo # Configure the lo interface as a loopback

  Recently, we need to capture the PPTP package, so we set up the PPTP service area. My environment Fedora 15 1. First install ppp Yum install ppp-y 2. Install pptpd You need to find the poptop project on sourceforge and download the source

  Cp Summary Function Description: copy a file or directory   Syntax: cp [parameter] source file directory target file or directory   This command is used to copy one or more files to the target directory.   Note:   The Cp command is used to copy