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Discussion on the selection of the Linux Embedded System Development Platform-general Linux technology-Linux programming and kernel information. The following is a detailed description. 1. Embedded System and Linux According to a
Linux Embedded System Development Platform selection-Linux general technology-Linux programming and kernel information, the following is a detailed description. Abstract: there is a great advantage in developing embedded products using L
Red Hat configuration Xmanager remote access to Linux:1. Modify the GDM configuration file, and modify the content in bold section./etc/gdm/custom.conf[Daemon][Security]Allowremoteroot=true[XDMCP]port=177Enable=true[GUI][Greeter][Chooser][Debug]2. Modify the boot order to start the X up/etc/inittabId:5:initdefault:3. Turn off the firewall or open the ports in the firewall. (UDP 177 TCP6000 to Port 6010)4. R
Tags: learning article processing LCD drive function GUI ORM reading led HTTPAs the saying goes, everything starts hard (then the middle is hard, and finally hard? , at the beginning of the time, you do not know how to start, online search data by a heap of new term do not find the north, to the library to read a book is not find the direction? is arm, Linux, and Uboot head are big. Do not know where the he
sharing memory8. Embedded Linux Network Programming1. Network Knowledge Base: ① TCP/IP network structure in Embedded Linux ② socket programming ③ common API functions ④Analysis of ping command implementation ⑤ basic UDP Interface Programming License Management 6 PPP protocol 7 GPRS2. Understand the
I. OpenVPN installation Environment Server-Side environmentRedhat, kernel version: 2.4.20-31.9, IP for 70.8.7.6Kernel need to support Tun devices and need to load iptables modules. Check to see if Tun is installed: Code:root@a [/]# Modinfo TunFileName:/LIB/MODULES/2.4.20-31.9/KERNEL/DRIVERS/NET/TUN.ODescriptionAuthorLicense: "GPL" If there is no modinfo command, just look for it and see if there are any tun.o files in kernel: Code:Find-name TUN.O./lib/modules/2.4.20/kernel/drivers/net/tun.o Chec
endless, but in the product, just to a product enough to be able to (of course. More better, depending on the person).Q: Development of embedded applications. The application scenario is the graphical interface or the character interface, if it is a graphical interface, the development environment QT and Minigui which is more appropriate, which type of application in the embedded system is more application
Article title: basic knowledge of Linux: use Tk to write a simple GUI program. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Tk is an
Linux can be smoothly transplanted to the system. Technical advantages of PocketIX Standard Linux systems are usually used in servers and desktop environments. Many functions and mechanisms are not suitable for embedded systems, such as security systems, logs, and a large number of server programs. At the same time, some emb
script file under/etc/rc. d/rcN. D of the corresponding running level n. If the running level is 2, n = 2, and the directory is/etc/rc. d/rc2.d. If the Script Name Is initform and the Link name is my_initform, enter the following command: ln-S/etc/rc. d/init. d/initform/etc/rc. d/rc2.d/my_initform.After completing the preceding steps, the system automatically executes the services in the script initform after the system is started..2. Run a specific user application: It mainly refers to a
and power quality monitor projects. It provides GUI (graphical user operation interface) Support for touch screens and can be customized based on different touch screens. 1. Introduction to QT/embeddedQT/Embedded is a well-known development library for GUI and application development for Embedded Systems released by t
through a serial port or TCP to debug the GUI system. This debugging tool and synchronous interaction between the graphic system and developers are implemented in the standalone debugging environment.Currently, it is troublesome not only to use virtual graphics devices to support input and output of graphics systems, but also to use qvfb in the Qt graphics library as a virtual framebuffer and to use debugging tools and graphics systems.Cross-device i
define multiple signals and multiple slots, the signal is like an event, and the slot is the method of responding to the event, And not much different from the general member function. If you need to implement communication between them, you can implement event-driven by connecting the slots of a class with the signals of a class. Qt/embedded is an embedded version of QT. Because Qt is a
set the Linux firewall and system security independently in Linux text mode. Since many new users have a special liking for setting quick and convenient software tools in Windows, here we will introduce two firewall tools based on GUI in Linux. One is the commercial version of Storm Firewall, which is a product of Sto
Article Title: GTK + and X Analysis Applied in Embedded Linux systems. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In
discussed in detail in the jffs-a practical jffs of Vipin Malik (Embedded Linux works,2001 year May). You can read more information about TMPFS in Linux headquarters. The flash filesystems for Embedded Linux Systems written by Cliff Brake and Jeff Sutherland discusses more
Recently, Linux administrators, especially those who are familiar with Windows NT/2000 GUI, often confused about where to manage key programs and services in Linux. In this article, we will focus on the Web-based GUI Webmin, which is a useful and efficient system for managing Linux
, let's add ls some other common uses of commands:Where small S is the size of the display file, big S is sorted by file size, and if you need to know how to sort by other means, use the "man" command to query.2. Change the file ownerAssuming that the Lilei user is currently logged in, create a new file named "Iphone6"Now, change the file owner to Shiyanlou using the following commandView now, find the file owner successfully modified to ShiyanlouIf you have a file that you do not want to be rea
From: http://blog.csdn.net/xznuwdh/article/details/6053860 Switch the Linux character interface to the graphic interfaceSwitching from the character interface to the graphical interface can be implemented in two simple ways:1. Enter startx or init 5 on the Character interface.2. By editing the/etc/inittab file, the GUI is displayed by default.Change 3 in ID: 3: initdefault to 5, so that the system will di
The Linux configuration file has been developing for a long time. Here I will share my personal understanding. Next I will talk about the Linux configuration file. There are three common Linux GUI programs: GTK1, GTK2, and QT. Programs Based on these three graphics libraries have different requirements for beautificati
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