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Linux Network Programming-Introduction to elementary network functions (TCP)-Linux general technology-Linux programming and kernel information. The following is a detailed description. In Linux,
Modify network card cache to solve the problem of losing packets on Linux network cardBad packet loss for Linux NICProduction has a Linux device concurrency is relatively large, droped package more, especially when running the game packet, there is a serious loss of packet p
in the Linux distribution, there is a/proc/directory, some also called it the proc file system. In this directory, there are special files that can be used not only to reflect the current state of the kernel and to view hardware information, but also to allow users to modify the contents of the kernel to adjust the current working state of the kernels, such as files under the/proc/sys/subdirectory. Unlike other directories in the/proc/directory, file
OverviewDuring the initialization of the kernel, the network-related work is as follows:Kernel boot time executionStart_kernel, Start_kernel will call Rest_init before the end of theRest_init Initializationkernel thread init (kernel_init in linux3-12). asmlinkage void __init Start_kernel (void) { ... Parse_early_param ();//Indirect call Parse_args Parse_args (...);//Handling Kernel boot program (boot loader) parameters passed to the kernel du
Windows Select "Get IP Automatically", Linux under the DHCP service can be opened. (This method is the simplest, not too many settings, but to make "edit → virtual network settings" in VMware, both NAT and DHCP are turned on.) General Nat is turned on by default, DHCP is off by default) Method 2, static IP address. If you do not want to use DHCP, you can also set it manually: IP settings with VMNET1, Ga
Because the Linux system originated and developed on the Internet, it is born with powerful network functions and rich network application software, in particular, the implementation of TCP/IP network protocols is particularly mature. Linux has many
1.Case Demand Analysis This case uses the RHEL5 and Windows XP system environment to establish a secure ssl vpn connection 8.2 for two remote LAN and remote network management workstations across insecure Internet networks ). The gateway servers of Beijing headquarters and Shanghai Branch both use the RHEL5 system. OpenVPN must be configured separately to connect two remote LAN LAN1 and lan2. In addition, the netw
was this cache prank. The following commands are attached: The first thing to see is the network card commandIfconfig–a|more Disabling and enabling network card commands Ifup eth2 Ifdown eth2 Modify the NIC configuration.Vi/etc/sysconfig/network-scripts/eth2 Configure Restart Network Ser
In order to provide high availability of the network we need to set up multiple NIC bindings into a virtual network card to provide services, so as to prevent a piece of network card damage or prevent network cable connection failure caused by the connection interruption.Here we use eth0 and eth1 to virtual become bond
The GB network adapter is coming, said JesperBrouer of RedHat at the LCA2015 meeting. The full-line speed running of the adapter poses a major challenge to the Linux kernel. Brouer explained that as network adapters get faster and faster, the kernel is getting shorter and shorter to process each packet. Taking a 10 Gb adapter as an example, the interval between t
Linux Network Programming (41 episodes total)explain Linux network programming knowledge, divided into the following four chapters. TCP/IP basics of Linux network programmingLinux Network
Before using the network, a basic network configuration is required for the Linux host, which allows the host to communicate with other hosts normally.First, network configuration1.IFCFG-ETHN Network configuration fileAll network
Linux Network virtualization-gre vpn network method, grevpn This article does not detail gre and vpn principles. This section describes how to use the Linux gre virtual network device to implement your own vpn network.1. Require
Linux Network Service --PXE High-performance batch network machine a ,PXE Introduction PXE:pre-boot excution Environment, pre-boot execution EnvironmentPXE is a Network boot technology developed by Intel Corporation that works in client/server mode, allowing clients to download boot images from remote servers over the
What is Linux network programming Network programming is the writing of such programs that communicate with other programs through a computer network. One of the biggest differences between web programs and ordinary programs is that the Web program is made up of two parts---client and server side. The
Linux Network Programming 5-use UDP protocol for group chat and network programming udpIntroduction The functions implemented in this article are similar to what I wrote earlier (select System Call _ 2 in Linux). The difference is that the communication methods between processes are different. In the previous article,
For Linux basic network configuration and network-related configuration files, file IP addresses related to TCP/IP configuration: /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE = eth0 ONBOOT = yes BOOTPROTO = static IPADDR = 192.168.0.103 NETMASK = 255.255.255.0 GATEWAY = 192.168.0.1
First we need to understand some basic commands for network configurationOne: Basic command CENTOS6 Network card name modification (the modification of the NIC name can make it easier and faster to configure): in the Linux in the //etc/udev/rules.d/70-persistent-net.rules in the name of the network card i
Http://blog.chinaunix.net/space.php? Uid = 20357359 Do = Blog cuid = 1798479 Checks the connection status of the network adapter and network adapter in Linux, and sends it to the socket using IOCTL.SiocethtoolCommand.Link_stat.c # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include # Include Int get_netlink_statu
Often use, own mark, incidentally to the people who need reference.1. Configuration file Modification$ vi/etc/sysconfig/network-scripts/ifcfg-eth0Content:Device= "eth0" hwaddr= "08:00:27:7c:d1:95" nm_controlled= "yes" onboot= "yes" ipaddr= "192.168.56.5" gateway= " 192.168.56.1 "bootproto=" STATIC "2, immediately effective configuration$ sudo/etc/init.d/network Stop$ sudo/etc/init.d/
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