Linux

Linux Device Driver The Driver is also known as the Device Driver. A driver is a special program used for communication between a computer and an external device. It is equivalent to an interface between software and hardware. Generally, only the

More highlights availableWww.leonarding.com We can audit both SYS users, so we usually audit common users, so the auditing of common users is not so strict, its audit records can be stored in the base table sys of the database. in aud $, we can

The Linux kernel has a mechanism called OOM killerOut-Of-Memory killer. This mechanism monitors processes that occupy too much Memory, especially those that consume a large amount Of Memory quickly, to prevent memory depletion, the kernel will kill

BKJIA special article] because of the previous work, we need to build a red hat lab environment. Because there are a large number of machines, we need to automate unattended installation systems in batches, so I tried to use RHEL5 + PXE + DHCP +

In some cases, we may need to intercept some exception handling operations in the Linux operating system, such as page fault exception handling. When the kernel can be modified: If we can modify the kernel, it will be very easy to handle page fault

Use a script to include these commonly used linux network operation commands. #/bin/sh # Viewing http request headers tcpdump -s 1024 -l -A -n host 192.168.9.56tcpdump -s 1024 -l -A src 192.168.9.56 or dst 192.168.9.56sudo tcpdump -A -s 1492 dst

For traditional operating systems, common I/O operations are usually cached by the kernel. Such I/O is called cache I/O. The file access mechanism described in this article is not cached by the operating system kernel, and data is directly

FireFTPIsFirefoxBrowser plug-ins. Those who use the Firefox browser will certainly know that it is quite useful.FTPFor more information, see. I found that FireFox is increasingly indispensable. It is not how fast FireFox is, but some of its

1. Chinese Input in plain text mode: ◆ In general, there are no special rules or protocols for the input method in the text mode. What the program needs to do is to obtain the user's word key input, then, output Chinese characters to the "standard

As we all know, chinput is widely used in Chinese linux in mainland China. Since chinput is mainly integrated on tubrolinux and moved to redhat, it needs to be modified a lot and pth is required, unicon-im support. it doesn't matter for linux, but

With the development of network technology and the further development of network applications, campus networks are undertaking more and more applications from teaching, scientific research and management. As the data storage and publishing, traffic

Cpu r & D in China is only less than ten years old. Compared with international giants, there is still a long way to go, but this does not affect the enthusiasm of researchers for cpu r & D in China, the "Dragon core" was born under such enthusiasm

Bkjia.com exclusive report] in linux and unix environments, source code installation is the most common software installation method. Some software not only provides the source code, it also provides binary installation packages of various Release

◆ 1. Overall Project Analysis The purpose of making a Linux release is to quickly and correctly establish the Linux system environment in the system. The main task of making a Linux release is to determine the retention of various software, because

Recently, all employees of Ubuntu lab have been working with thin "bare hosts" for a whole day. This day is memorable. Generally, the so-called "Thin" Thin) refers to the requirement that the hardware device of the computing device is "very low".

1. What is embedded Linux? Embedded Linux is an operating system that allows you to crop and modify popular Linux operating systems to run on embedded computer systems. Embedded Linux not only inherits the unlimited open source code resources on

According to foreign media reports, Maarten Koster, president of Novell Asia Pacific, recently said that the listing of Microsoft's new Windows Vista system forced many enterprises to switch to Linux. IDC, an authoritative Research Institute,

1 Requirements for memory allocation in Embedded Systems ① Fast.The real-time guarantee in embedded systems requires that the memory allocation process be as fast as possible. Therefore, in embedded systems, it is impossible to adopt complex and

1. Mount the iso file Generally, you only need: # Mount-t iso9660-o loop xxx. iso/mnt/cdrom You can see the xxx. iso content under/mnt/cdrom. 2. Copy the CD to an iso Image # Dd if =/dev/hdb of = xxx. iso Or # Cp/dev/cdrom xxx. iso 3. The

Now more and more friends are starting to use their smartphones. Ten or even 20 pieces of GPRS traffic in a month is only a few hundred megabytes, so they are not very easy to use. If you don't want to waste money, just use your laptop to build a Wi-