Linux

First, the concept of a briefThere are two ways to load drivers under Linux: Static loading and dynamic loading.Static loading is the driver directly compiled into the kernel, the system can be called directly after booting. The disadvantage of

Iostat command ExplanationThe iostat is used to output statistics about CPU and disk I/O. Command format:USAGE:IOSTAT[OPTIONS][ [...]  | all ] ][  [...]  | all ] [ -p [  [,...]  | ALL ] ][[email protected]]# iostatLinux 2.6.32-358.6.2.el6.x86_64  (

This time talk about the "/proc folder.The/proc folder is a special folder that is used to keep files related to the state of the system, and the files in this folder are only virtual files on memory.Some files under the/proc folder can reflect the

11th Chapter+---------------------------------------------------+| Write a block device driver |+---------------------------------------------------+| Zhao Lei || Email[email protected]|+---------------------------------------------------+| The

Common commands used by Linux in normal work: SCP is a file copy with security, SSH-based login. Easy to operate, for example, to copy the current file to a remote other host, you can command the following. Scp/home/1.gif [email

Talk about the desktop environment this time.The last time I talked about X Window System-related content, although surprising, X Window System and desktop environment is not the same thing. Please think about it a little bit.X Window System refers

The computer in the end is how to run it, in my study of the computer has not been very clear, but recently borrowed this "the Art of Linux kernel design" is to know what the computer from the boot to start the operating system between what exactly

This time, talk about "proxy server".In the company, not through the proxy server can not connect to the Internet, due to proxy server reasons, some services are limited use.Someone might think why this kind of thing exists? (This refers to the

1. Installation dependenciesDependencies include:libx11-devlibxmu-devlibglu1-mesa-devlibgl2ps-devlibxi-devg++ Libzip-devlibpng12-devlibcurl4-gnutls-devlibfontconfig1-devlibsqlite3-devlibglew*-devlibssl-devassuming your system is Ubuntu/debian, you

Some common commands for LinuxThese days it's time to study Linux and plan to deploy the next project on a Linux-system server that has increased security (lost by Window 2003), decided to use the CentOS version of the Linux system after all the

I have not been the habit of blogging, recently just in the study of the development of Linux (currently is only coarse research), and use the Boost library, take this opportunity to write something, at least record some of my steps to install boost,

Today the customer reflects a problem, ssh not on their own server, into the computer room radhat Linux Local login (3 level) when the input root hit enter the following prompt:Your account is locked. Maximum amount of failed attempts was

You should install OpenSSL and Libssl-dev before using the MD5 function.Include header files: #include Two different ways:The first type:int Md5_init (Md5_ctx *c);int Md5_update (md5_ctx *c, const void *data, size_t len);int md5_final (unsigned char

WVDial is Linux Smart Dial-up tools, using wvdial and PPP, allows easy Internet access under Linux. Throughout the process, the role of wvdial is to dial and wait for the prompt, and according to the prompts to enter the appropriate user name and

Everything has been uploaded here: https://github.com/RexKang/Zabbix/tree/master/OS/Linux-disk-discoveryWhat needs to be used:Agent configuration for Zabbix Lld:https://www.zabbix.com/documentation/2.0/manual/discovery/low_level_discoveryzabbix:

Browse Directory Commands:1.CD Open DirectoryCD ppCd..CD/CD switch to user's home directoryCd/usr/bin Switch to/usr/bin directoryCD-Back to the nearest directory2. Show current directoryPwd3. Display the current directory listLS DirectoryLs-a Show

My first makefile.Recently learned the writing of Makefile's documents. Makefile is a file that achieves the convenience of compiling a link to a target program.Make is very convenient, the process of writing makefile can also better understand the

io.sh# #iostat是查看磁盘活动统计情况 # #显示所有设备负载情况 r/s: Number of Read I/O devices completed per second. That is, rio/s;w/s: The number of write I/O devices completed per second. That is, wio/s and other Iostat # #每隔2秒刷新磁盘IO信息, and 3 times per display Iostat 2

"When you define so many global variables, the system allocates several hundred KB to you. Is this too much memory consumption ?", Asked one. I have heard that there are limited resources in the embedded system, and there is no space to allocate.

Linux releases can be said to be the most versatile opensuse, out-of-the-box LinuxDeepin, new technology-focused fedora, and rock-solid debian and RHEL servers, gentoo, as a metadatabase, is definitely a special one.Gentoo Linux Introduction on