Linux

Kernel version: 2.6.34 Next to the "Add network protocol." It is a good way to use the proc file system in order for users to easily view the working status of the BRCM device. A network protocol module can be registered into the network Space

Kernel version: 2.6.34 The previous section describes the NetFilter framework, address: http://blog.csdn.net/qy532846454/article/details/6605592, the connection tracking described in this section is implemented on the NetFilter framework ,

Kernel version: 2.6.34 NetFilter is introduced into the 2.4.x kernel, and becomes the main extension of network application under Linux platform, including not only the implementation of firewall, but also the processing of message (such as message

Tangled for many days, finally understand the b440x processing. In the last chapter, through the interrupt, the final NIC calls B44_rx () to receive the message For some of the parameters in this function, you can understand this: The number of

Kernel version: Linux-2.6.34 NIC Driver: B4401 What is Napi Napi is introduced by the Linux set of the latest Api,linux 2.5 to handle the network port data, so many drivers do not support this mode of operation. In simple terms, NAPI is a

The less tool is also a tool for paging through files or other output, and should be a powerful tool for Linux to view the contents of a file. The use of less is more elastic than more. In more times, we do not have the means to turn to the front,

A regular expression 1 simple to say the regular expression is to handle the string method, it is the behavior unit for the processing of strings, regular expressions through a number of special symbols of the auxiliary, you can easily reach the

One, based on the Linux file automatic mounting mode, Pre-Preparation: 1, first prepare a Samba server 2, need to mount the SANBA server client Implement: 1, now installed on the server samba to ensure normal access. We're here yum–y install

If DB runs too much disk IO, performance will definitely be affected. You can use tools such as Zabbix to monitor disk IO, or you can do it yourself. We can get information directly from the Proc/diskstats: 7 3 loop3 0 0 0 0 0 0 0 0 0 0 0 7 4

Logical volume management and configuration Before configuring, we think of a problem, Linux we all know is a multi-user mode, when we plan to cause our hard disk space is not enough to use, we generally are new to increase the hard disk, and then

Understand what a swap partition is Swap is a virtual memory partition under Linux, his main role is that when physical memory is not enough, it is necessary to release some of the space in physical memory, so that the current program to use, these

Grammar: Taskset [Options] Mask command [ARG] ...Taskset [Options]-P [mask] pid Parameters: -A,--all-tasks to operate all task threads -P,--pid operation already existing PID -C,--cpu-list set CPU by list display (comma separated) Instance:

How to set the environment variable PATH in a Linux system: There is a. bashrc file in the user's home directory where you can add PATH to the following settings: Export path= "$PATH:/your path1/:/your path2/..." Note: Separate each path with ":".

1. Show Environment Variables Home $ echo $HOME 　　/home/redbooks 2. Set up a new environment variable Hello $ export HELLO="Hello!" 　　$ echo $HELLO 　　Hello! 3. Display all environment variables using the ENV command $ env

I particularly like the hint of a line on the screen when Linux starts. It tells us everything that the system is doing, unlike Windows, which gives us a progress bar when we're done, and we don't know what's behind it. The DHCP protocol part

Some people ask me how to partition the Linux system, how to allocate the hard disk space. I'll talk about it according to my own experience. Just experience the Linux of the root directory on a partition on it, and other partitions such as swap

Linux is a set of free to use and freely propagated Unix-like operating systems, primarily for computers based on the Intel x86 series CPUs. Linux systems are designed and implemented by tens of thousands of programmers all over the world, with the

How do i display a command prompt on a Linux desktop system? First, click Start/System tool, locate the terminal shortcut, right-click, and select "Add this initiator to panel". In order to make the terminal running effect looks pleasing to the

The style change of the software interface can be done by two kinds of mechanism. One is by setting the theme (Themes), which toggles the display style with the control of the interface component (components) in the interface library itself; the

Recently read the source code of Linux, want to see things written out, think the memory of this part of the simplest, first written out. Please correct me! The minimum memory 4K address is a page directory (Page_dir) with a total of 1024 entries,