Linux

Linux kernel debugging methods KDB: Only in the assembly code level for debugging; The advantage is that two machines are not required for debugging. GDB: When debugging a module, it lacks some vital features that can be used to view the operation

In everyday applications, you will often experience the following scenarios, monitor folder A, and execute the C command if the B file in the folder changes. Linux can perform this function through INotify. Since Linux kernel 2.6.13, INotify is part

Knowledge Collation –linux character device Driven Development Foundation Linux driver I understand: encapsulates the operation of the underlying hardware and provides an operational interface to the upper application The article in some places did

First, prepare the work installs PAM's Cracklib module, Cracklib can provide the additional password examination ability. Debian, Ubuntu, or Linux Mint systems: 1 $ sudo apt-get install libpam-cracklib CentOS, Fedora, RHEL system has been installed

Diversity should be one of the best features of Linux, and users can constantly try all kinds of likes and fresh play and tricks, and find out the most suitable for their applications. Whether you are a new Linux or a veteran, the endless

  MKFS command  linux formatted disk command           Linux mkfs         instruction: MKFS 　　With permissions: Super User usage: MKFS [-v] [-t fstype] [fs-options] filesys [blocks] [-l lable] Description: Build Linux file system on specific

This example is a client/server structure that demonstrates how the client establishes a connection and sends data to the remote end, how the Server listens to the system connection request, receives the request and establishes the connection, and

Reprinted from Http://m.2cto.com/os/201204/126212.html Win10 and Ubuntu can also be A couple of CentOS 5.4 and Win7 have just been installed in the previous period. Found Win7 system time is not, the machine did not surf the internet, every day,

Original: http://blog.csdn.net/ouyang_peng/article/details/10414499 du [-ABCDHHKLMSSX] [L ][-x ][--block-size][--exclude=][--help][--version][directory or file] Common parameters:-A or-all to display disk usage for each specified file, or to display

This article assumes the user basic understanding Docker, grasps the Linux basic Use command, understands Hadoop's general installation and the simple configuration Experimental environment: Windows10+vmware WorkStation 11+linux.14.04 server+docker 1

Recently in learning OpenCV, write notes to sum up, I use the learning environment is ubuntu16.04+kdvelop4.7+opencv3.2.0.There are two ways to compile a OPENCV program under Linux. One is g++, the other is CMake, here is the direct use of the

Function Name: Sleep Header file: #include //use with top files in VC #include //In the GCC compiler, the header file used differs depending on the version of GCC Function: Execution suspend specified number of seconds Grammar: Unsigned sleep

Today, foreign media (the Register) reported that there was a huge design flaw in Intel's chips, and that Microsoft and Linux kernel developers were scrambling to fix it. Security vulnerabilities will eventually be fixed, but patches will slow down

1. Staff has sent the MPP format to come over. Can't open ... 2. Find this openproj. The official address is in SourceForge. http://sourceforge.net/projects/openproj/ 3. I use Debian. So I need to turn rpm into. Deb Install a Alien #aptitude

Linux remote log rsyslog server and client Installation The reason for using Rsyslog:1. Prevent system crashes unable to get system log share crash reason, with Rsyslog can transfer log to remote log server2. Using the Rsyslog log can reduce system

Kernel version: 2.6.34 UDP packet ReceptionThe reception of UDP message can be divided into two parts: the protocol stack receives the UDP message, inserts the corresponding queue; the user calls Recvfrom () or recv () system call to take out the

Signal () function to describe Linux functions in detail A signal (signal) is a interprocess communication mechanism that provides an application with an asynchronous software interrupt that gives the application the opportunity to accept

Linux signal Those things (1) Http://blog.chinaunix.net/uid-24774106-id-4061386.html Bean_lee Linux programming, the signal is a love and hate and have to mention an area. Recently, I focused on the signal related content of Linux, sharing it, also

By using TR, you can easily implement many of the most basic features of SED. You can see TR as a (extremely) simplified variant of sed: it can replace one character with another, or you can completely remove some characters. You can also use it to

ActiveMQ5.7.0 in the website download After you deploy JDK and ACTIVEMQ, use the command ${activemqpath}/bin/activemq start Console printing linux-qk6h:~ #/HOME/WORKSPACE/APACHE-ACTIVEMQ-5.7.0/BIN/ACTIVEMQ StartInfo:using default configuration(Can