Linux

Just read the "LINUX device Driver" written by O ' REILLY. The author has repeatedly emphasized that the kernel tree must be established when writing drivers. The previous kernel only needs a set of kernel header files, but because 2.6 of the kernel

Monitoring IntroductionMonitor cacti (RRDtool) drawing monitors network device traffic to show historical data functionsNagios Monitoring Service Status disk memory does not record data at a glance you can write your own scriptZabbixCacti

Touch command: Touch-change file timestampsfunctionTouch command to create an empty file, or to manage file timestamps (you need to specify options)Syntaxtouch [option] filename does not add the option to create a file directly"File timestamp

Under the Linux platform, set the method for the core dump file generation:1) Enter ULIMIT-C in the terminal if the result is 0, the system does not generate a core dump when the program crashes.2) Use the Ulimit-c Unlimited command to turn on the

Yi Silam + original works do not reprint + "Linux kernel analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000 "Week 7 executable program load 1. Pre-processing, compiling, Format of links and destination files From C

Seventh week of Linux Course experiment and summaryExperiment and study summary1. Compile the link process and the ELF executable format (in the case of Hello) the GNU compilation system compiles the source code: First, run the C

First, view the system loadIf your computer is slow, you might want to check to see if it's too much work.In Linux systems, we generally use the uptime command to view (W and top commands are also OK). (in addition, they are also available on

There are at least two ways to synchronize time under Linux:Rdate,ntpdate two kinds. CentOS minimized installation is not installed by default, first verify that it has been installed, or install it first.Where Rdate itself is used to obtain time on

The most common packaging program under Linux is tar, which is often referred to as the TAR package, and the tar package file commands are usually terminated with. Tar. After the tar package is generated, you can use other programs to enter theRow

When using top to view system resources for a specific process today, the two concepts of cache and buffer are not very clear, and a look at the following:**cache is a cache that is used for buffering between CPU and memory;**buffer is an I/O cache

Hardware foundation of Linux driver Design (i.)This chapter summarizes the hardware basis for learning Linux device programming.First, the processor1.1 General Purpose processorsGeneral-purpose Processors (GPP) do not optimize architecture and

650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/ Images/localimage.png ") no-repeat center;border:1px solid #ddd;" alt= "Spacer.gif"/>650 "this.width=650;" src= "http

Simply put, Chongqing think Zhuang Linux course is to teach you to get high-paying IT skills, and the meditation teacher for many years of actual combat experience all the church to you, so that you less detours. You can stand on the shoulders of Si

I. Basic knowledge of memory management1.S3C2440 uses a maximum of two page tables: the first-level page table is used when converting in segments, and the two-level page table is used when converting pages. There are three sizes of pages: Large

650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0003.gif "alt=" J_0003.gif "/>650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0003.gif "alt=" j_0003.gif "/>650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0003.gif "alt="

We often find a file in Linux, but we do not know where to put it, you can use some of the following commands to search.Which view the location of the executable file, check the environment variablesWhereis View the location of the file, check the

Use VBoxManage to install Linux on the Linux Command Line Environment: Ubuntu 15.04 64bit, virtualbox 5.0.16 Preparation: download and install virtualbox and virtualbox-extensions, and prepare iso system files, such as archlinux. iso. 1. Create a

Common Linux shell commands and shell commands I. Basic commands 1. Shut down immediately and restart again. Execute the following command: Shutdown-r now or reboot 2. Shut down immediately and execute the following command: Shutdown-h now or

Install oracle on Centos6 It is really not easy to install oracle on linux. A lot of dependent libraries need to be installed. After a long time, the installation is successful. Record the installation to prevent subsequent installation, because I

Deploy Solr search engine in Centos I,Environment preparation: System Environment: centos 6.5 Tomcat 7.0.47 Jdk-7u9 Solr-4.7.0 First, upload the package to the/tmp directory. 1. jdk Installation [Root @ svn-server/] # cd/tmp/ [Root @ svn-server/] #