Linux

Linux operating system network driverProgramWrite 1. Linux System Device Driver Overview1.1 Linux Device Driver categories1.2 compile some basic concepts of the driverIi. network device drivers in Linux2.1 Structure of the Network Driver2.2 Basic

When a script file edited under Win is uploaded to the Linux server, it cannot be executed normally. It was mistakenly identified as a Linux configuration problem and later found that, it is caused by different line breaks during Windows and Linux

The following article is reproduced from http://blog.csdn.net/liuyuan_jq/article/details/1819085 Special Linux permissions: setuid, setgid, sticky) (1) Directory x permission (execution ).The executable permission of a file is simple, that is,

When you log on to Linux,/etc/profile ,~ /. Bash_profile and other file execution processes. The file execution process when logging on to Linux is as follows: When logging on to Linux, start the/etc/profile file first, and then start ~ /.

Linux network device configuration files are stored in/etc/sysconfig/network-scripts, For the first network device Ethernet, the configuration file name is generally ifcfg-eth0. To bind one more IP address to the first network device, create a file

In Linux, the free command is commonly used. Do you know the meaning of all rows output by free and the relationship between them? [Root @ localhost ~] # Free total used free shared buffers cached mem: 4038116 4010292 27824 0 205228 1343276-/+

VI/root/software/freemem. Sh ############################ Freemem by Camor###########################! /Bin/shTime1 = 'date + % Y % m % d'Time2 = 'date + % K: % m: % s'Mkdir/var/log/freememCD/var/log/freemem## Echo ""> memstat _ $ time1.log#Echo $

1. Linux interrupted registration and release: In , the interface for interrupted registration is implemented: Int request_irq (unsigned int IRQ, Irqreturn_t (* Handler) (INT, void *, Struct pt_regs *), Unsigned long flags, Const char *

1. What is the source code package software; As the name suggests, the source code package is a visible software package of the source code. The software based on Linux and BSD systems is the most common. The software visible from the source in

When using the grep, awk, and sed commands, you must use a regular expression.For example, I used grep to find out whether there was any error in the code compilation result. Or whether there is an error with my code.Here we will talk about the

Document directory 1. Usage 2. kernel implementation Http://blog.csdn.net/walkingman321/article/details/6162055 Timerfd is a timer interface provided by Linux for user programs. This interface is based on file descriptors, so it can be used in

Http://www.cnblogs.com/chingliu/archive/2011/08/29/2223803.html Although the kernel module does not execute in the same order as an application, most of the actions performed by the kernel represent a specific process. the kernel code can reference

Common special symbols in shell are listed as follows: #;.,/\ 'String' |! $ {}$? $ * "String "***? : ^ $ # $ @ 'COMMAND '{} [] [[] () | & {XX, YY, ZZ ,...}~ ~ + ~ -& \ +-% =! =   # Comments)This is almost a full-market symbol, except for the "first

The built-in Input Method in Ubuntu Linux 10.04 is not very easy to use. There is still a big gap between the input method in Linux and that in windows. For a relatively good input method, I think fcitx is still correct, however, after the "sudo apt-

In Linux, the FTP configuration (RedHat) Linux cloud host has already installed the FTP server named vsftp by default, and is not started by default. 1. Start the vsftp Server A. After logging on to the Linux host, run the command: "service vsftpd

Today, when compiling a c file that uses the log function, an error occurs: /Tmp/ccquh0ns. O (. Text + 0x2bb): In function 'compute ': : Undefined reference to 'log' I checked the problem on the Internet. The reasons and solutions are as

In the command line, sometimes a simple manual mathematical computation is required. The built-in "BC" command is the front end of an "arbitrary precision computing language". If you are a person who is working and learning mathematics, it is very

Before going to bed at night, if you want to use your computer to listen to songs and sleep, and you don't want your computer to stay till tomorrow morning, you need to shut down at a certain time. Although many players now come with the Timed

Then install biocondupackagesright now, the easiest way to install bioconductor packages is using the bioclite. r installation script. Here's how to use it: In an R command window, type the

Cenos Linux tomcat installation and configurationI. TomcatMy next is apache-tomcat-6.0.36.tar.gz. Ii. Installation1. Extract# Tar-zxvf apache-tomcat-6.0.36.tar.gz2. copy to the folder I want to put# Cp-r APACHE-Tomcat-6.0.36/opt/tomcat3. Delete