Linux

The Development Board is connected to virtual machine Linux over the network. After a virtual machine is started in Linux, if the network is disconnected and the network is reconnected (plugged in or out of the network), the network between the

1. Introduction In Linux, If you download and install an application, it is very likely that the prompt "command not found" appears when you type its name. If you find the executable file in the installation target folder every time, it is too

  The kernel uses a large number of different macros to mark functions and data structures with different functions. For example, macro _ init and _ devinit. These macros are defined in the include/Linux/init. h header file. The compiler can use

First, I want to explain that the reason why I want to study class is that it can automatically create device nodes under/dev. Of course, the class also has another function, and the udev system is also used to automatically create device nodes.

  This year, I participated in an embedded competition held by the school. The Chinese Text Speech conversion function is required in my work. Because I use a Linux system, I cannot use the speech development kit provided by Ms, although there are

Statement: This article has no technical content, no reference, and pure complaints. I wanted to create a project and use Qt in Linux. I thought it would "look amazing" and the result was really disgusting. What I want to do is the tank war. I don't

After a period of exploration, we finally successfully transplanted the 2.6.35.5 kernel to the tq2440 kernel. In general, the 2.6.30.4 kernel porting has not changed much. For details, refer to the article tq2440 Linux 2.6.30.4 kernel porting to

Download the uimage to the Development Board through TFTP. The following information appears repeatedly after the system is started, and the operation cannot be performed. S3c2410-sdi s3c2410-sdi: running at 0 kHz (requested: 0 kHz ). S3c2410-sdi

In the past few days, I suddenly found that the Port 2 of the transplanted S3C2410 was unavailable in the Linux system. I checked a lot of information and found that to use the serial port 2 of s3c23410 in the Linux system, you need to modify the

I. Use the iconv function family for encoding and conversion During encoding and conversion on Linux, you can use both the iconv function family programming and the iconv command, but the latter is for files, converts a specified file from one

When the Linux File System is caused by human factors or the system itself (for example, the user accidentally cold-starts the system, the disk key track error, or the machine did not have time to write the data in the cache to the disk before it is

The source code is copied from others' articles. It is not original, but well written. It mainly describes two different processes accessing data from the shared memory, I added some analysis: The first is to write data:/***** Testwrite. c *******/#

  Streaming media refers to the continuous time-based media transmitted using stream technology in the network. It features that the entire file does not need to be downloaded before playback, but is played by downloading and playing, it is the

To do one thing, you must first know what you are doing, instead of blindly upgrading the kernel. Now, upgrading the kernel is a bit rampant. First, let's take a look at the new features of the 2.6 kernel. I. 01. Module subsystem, unified device

--> Abstract: The design of embedded video surveillance scheme has been discussed many times, but the Driving Design of Video MPEG-4 coding in Linux is rarely mentioned. This article takes the driver design of the Video Encoding Chip ime6410

Linux is a multi-user operating system. Each user logs on to the system and has a dedicated runtime environment. Generally, the default environment of each user is the same. The default environment is actually the definition of a set of environment

Document directory 1) It takes effect permanently after restart: 2) It takes effect immediately and becomes invalid after restart: SELinux and firewall Shutdown To disable SELinux: 　　Modify SELinux = "" in the/etc/SELinux/config file to disabled,

I. SVN Introduction SVN repository address introduction:Https: the protocol is a network protocol built by the SSL + HTTP protocol for encrypted transmission and identity authentication.Server IP AddressFor example, ylqzqf: Repository name　　Ii. SVN

Original article. Please indicate the source for reprinting. Thank you!Author: Qinglin, blog name: feikong jingdu   @page { margin: 2cm }P { margin-bottom: 0.21cm }--> I use a program to describe in structPersonAdded structList_headHow to operate

First, let's talk about Linux redirection: 0, 1, and 2 indicate the standard input, standard output, and standard error message output, respectively. They can be used to specify the standard input or output to be redirected. In general use, the