Linux

Usually we add a version query command to the program development, such as "-V", which typically shows the build version, and the build date, so it's convenient to automatically add this information every time you compile. let's talk about adding

 This article originates from http://blog.csdn.net/u010867924/article/details/51374008 Install Gedit sudo apt-get update sudo apt-get install gedit-gmate sudo apt-get install Gedit-plugins sudo apt-get remove gedit sudo apt-get install

Absrtact: This article mainly explains the implementation principle of the segmentation and paging mechanism in Linux, related macro definition and function function. Source: Memory Addressing (ii): segmentation and paging mechanism in Linux

Ethtool is the command used to query and set the network card parameters. Overview: Ethtool ethx     //Query ETHX network basic settings ethtool–h        //Display ethtool command help ethtool–i ethx   //query Ethx the relevant information  

There are 3, 4 years of work under Windows, and the convenience that comes with it is self-evident. Recent whim, want to try the following Linux system, I heard that this can find a good job, so replaced the platform. In the Linux environment to

1. Environment Variables Definition: To store information about the shell session and the working environment. It allows you to store in memory in order to run program and script access on the shell. (In short, it's the working

Allocation space, I think the first thing to know what to install under the directory, so it is good to decide how much should be allocated. /root directory/bin to store the necessary orders/boot Store the kernel and start the required files,

Hello everyone, today 51 open source to introduce a profile in the configuration file, that is/etc/resolv.conf. Many netizens don't know much about the usefulness of this document. It is not complicated, it is a DNS client configuration file that

Pkg is a shorthand for Debian package, a suite management system specially developed for Debian to facilitate installation, updating, and removal of software. All Linux distributions originating from Debian use dpkg, such as Ubuntu, Knoppix, and so

The kernel module is a socket provided externally by the Linux kernel, which is known as the dynamic loadable kernel module (Loadable Kernel module,lkm), and is referred to as a module. The Linux kernel provides a modular mechanism because it itself

The value of path is a series of directories that Linux searches for when you run a program. You can see the value of path with the following command. $ echo $PATH For example, in a host, the user Yogin path value

The reason for the Chinese comment garbled is that the M file under Windows is GBK encoded, as long as all the M file into the UTF8 file, the display is normal. (in turn into UTF8 before, do not use MATLAB to open the M file, or the following steps

EnvironmentUbuntu 16.04 LTS jdk1.8.0_161 apache-tomcat-7.0.82 installing the JDK and configuring environment variables Install JDK: Extract Package TAR-ZXVF jdk-8u161-linux-x64.tar.gz //Copy JDK directory to/user/local/directory sudo cp-r jdk1.8.0_

Forced to kill the process * * * Ps-ef or Ps-aux View process $ ps-ef | grep Firefox 1. Give a part of the process name to see the conformance process $ pgrep Firefox1827 Kill Pkill Description: "9" that is sent signal is 9,pkill and kill at this

This article has been transferred from Reille blog: http://velep.com/archives/815.html Waiting queues play a pivotal role in the Linux kernel, and many Linux drivers are more or less involved in waiting queues. Therefore, for the Linux kernel and

Linux (Redhat as a template) to add a boot from the script there are two ways, first to simple; First, add in the/etc/rc.local If you don't want to stick the script, or create a link or something, The Step1. First, modify the script so that all of

    Disk Management1. Interpretation of nouns Mbr Mpt Hard Drive Validity Indicator Primary partition Extended partitions Logical partitions 2. Disk View command Fdisk-l # #系统中的所有磁盘设备 Df-th # #系统正在挂载的磁盘设备 Blkid # #系统可以挂载的磁盘设备id 3. Zoning Division

Flow chart: compile with GCC (gcc-pthread filename.c) ... #include #include #include int buf[1000000]; int w=0,r=0; R is read pointer, w is write pointer int size=10; Buffer size pthread_mutex_t lock; Lock pthread_cond_t Is_empty; Whether the

Static library dependencies under Linux background Linux Static Library. A and dynamic library. So the difference is very large, static library is basically just a series of. o File plus symbol table, no link process, can not rely on the link to

The __read_mostly primitive will be defined as stored in the. data.read_mostly section Include/asm/cache.h #define __read_mostly __attribute__ (__section__ (". data.read_mostly")) Thus, we can define the data that is often needed to be read as