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Linux has always been known for its strong network capabilities, while equipment ' > network equipment is also one of the three major devices that are essential for Linux-driven learning, and because of historical reasons, Linux does not enforce its "all documents" concept f
Article title: network configuration in Linux. 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.
Since the birth of linux, it has been doo
An in-depth understanding of Linux Network Technology-Virtual Device initialization summary and a deep understanding of linuxOverview a virtual device is an abstraction built on one or more real devices. There are many to many mappings between virtual devices and real devices, but not all combinations can be defined or supported by the kernel.The following lists some common Virtual Devices:
Bonding // bindi
Transfer from http://www.cnblogs.com/shijiaqi1066/p/3840284.htmlLinux network interfaceLinux network interface, which contains the concept of network card.In the Linux system, the naming rule:The eth0 is the first interface (Ethernet Card), and the eth1 is the second one.Lo is a local loopback interface with a fixed IP
After a long period of development, many users are familiar with Hongqi Linux. Here I will share my personal understanding and discuss it with you. As Linux enters the computing environment of key industries, users' requirements for systems become increasingly strict. In order to meet this increasing requirement, Hongqi software has completely optimized the server operating system product line and launched
OverviewFor the behavior of the network, can be divided into 3 paths: 1) Send path, 2) forwarding path, 3) receive path, and network performance optimization can be based on these 3 paths to consider. Since the forwarding of packets is generally concerned with the device with the routing function, it is not described in this paper, if readers are interested, they can learn by themselves (in the
Article title: Linux Latest stable kernel 2.4.x network interface source code structure (1 ). 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.
Author: Li Yuanjia
I. Preface
In
the security of the local machine, but a threat to the security of other computers on the network.
Installation of network data collection and analysis tool TcpDump
In linux, the installation of tcpdump is very simple. Generally, there are two installation methods. An rpm Package is used for installation. In addition, it is installed in the form of a source prog
Article Title: Linux Firewall uses a simple rule set to protect the network. 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.
The firewall configuration requirements are as follows:
This article mainly faces the new novice, does not have any high difficulty question discussion, including the double network card, the normal compilation driver also cannot use the strange network card and so on. The main purpose of this article is to tell the new novice, Linux under the network card is how to drive.
Objective
Only a bald head can become stronger.
Review Front:
After reading this Linux basic operation will be
Linux User and Rights Management look, you're going to use it.
Linux Process Management
This article mainly explains the management of the network under
Introduction to Linux Abstract network devices
Similar to disk devices, Linux users want to use the network function, not through direct operation of the hardware, but need to directly or indirectly operate a Linux for our abstraction of the device, the Universal
From: http://www.ibm.com/developerworks/cn/linux/l-cn-networkdriver/
Network Device Introduction
NetworkA device is an essential part of the computer architecture. If a processor wants to communicate with the outside world, it usually chooses a network device as the communication interface. As we all knowSystemsInterconnection, open Internet interconnection), the
according to the user's definition. As a necessary tool for the classic system administrator on the internet, tcpdump, with its powerful functions and flexible interception policies, becomes one of the essential tasks for every senior system administrator to analyze the network and troubleshoot problems. Tcpdump provides source code and open interfaces, so it has high scalability and is a very useful tool for net
Article title: Linux network shared data machine application (bottom ). 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.
VII. connect a Linux
Linux the network system is mainly based on BSD UNIX socket mechanism. Data structure Sk_buff is defined between the system and the driver for data transmission. The system supports sending and receiving data caches, providing a flow control mechanism and providing support for multiple protocols. 1. Linux Architecture of the
System optimization is a complex, complex, and long-term task. The following subsystems are usually monitored: CPU, Memory, IO, Network, etc.
I. CPU performance indicators
CPU utilization: User Time
Context switch: It is associated with the CPU usage. If the CPU usage is in good state, a large number of context switches are acceptable.
Runnable queue: three threads per processor.Monitoring tools
Vmstat
$ V
I am the administrator of a small and medium-sized Linux website. The system architecture is RHEL4.0 + PHP4.3 + Mysql4.03 + Apache1.23. The average daily IP access volume is 200. The author of a typical Linux small website is the administrator of a small and medium-sized Linux website. The system architecture is RHEL 4.0 + PHP 4.3 + Mysql 4.03 + Apache 1.23. The
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