Enter Mii-tool to see if the network cable is connected to the network card#mii-tool
eth0:negotiated 100basetx-fd, link ok
Sometimes the driver may not support an error with the following errors#mii-tool
Siocgmiiphy on ' eth0 ' failed:operation not supported
No MII interfaces found
You can use Ethtool to view#ethtool eth0
Setti
. That is to say, it notifies the client that the server has received the SYN packet, by adding a serial number of the original SYN Packet and using it as the response number, the client then knows that the server can receive communications.
ACKMessage:
The 8 th packet is the confirmation message sent from the client to the server, telling the Server Client to receive the SYN/ACK packet, and the client also adds the serial number as in the previous step. This packet is sent completely, the clien
[Linux Network Programming] Use GDB to debug programs and network programming gdb
Linux has a powerful debugging tool, GDB (GNU Debugger), which can debug C and C ++ programs.
The main functions of GDB are as follows:
To use GDB, you must add the-g option (gcc-g xxx. c) to compile the program. When this option is set,
Do you want to save money by dialing long-distance calls over the network? Chip will take Skype as an example, from the hardware and software configuration, commissioning, to introduce you how to make a phone call through the network, with online friends voice chat, hold a multiplayer voice conferencing and related use skills to help you understand,
and institutions to provide one-stop, a full range of network management and network monitoring; At the same time, aggregated management system of Internet access behavior of the user interface at a glance, all the functions of a mouse can be enabled, do not require a specific computer knowledge and specialized training, is currently using the simplest network m
The introduction of Windows 7, so that we can no longer bother to find third-party manufacturers of the Network Monitor program, Win7 system itself has provided a very good Network Monitor program. Now let's take a look at using Network Monitor in Win7.
1, network data flow
Netwo
network segment to use.3 NAT Connection modeAlthough from the surface phenomenon, the virtual machine does not have its own IP address, but the IP address of the shared host host, but the technology is essentially based on the host-only way (that is, the virtual machine or has its own independent IP address, but actually not put into use), as in the Host-only wa
Friends say, add net is family. Just do each use, UF words instead of disqus comment system, with the network to do share to micro-X function.
Registering and obtaining CodeFriends say, add network is family, as long as the registration of the network on the line. After logging in, there is code in Jiathis to enter an
the network Statistics command netstat, this command is used to display the entire system current network conditions. For example, current connections, packet-passing data, or routing table content. This command is directly entered to use: for example: Netstat-an NETSTAT-ANP display the ID of the process (2) Detect host Connection Command ping: is a
dual network card, the host host can participate in two LAN (existing host LAN + new virtual local area network), but by default, two LAN is not connected.2 Bridge (bridging) connection modeHaving a virtual machine with a separate IP address different from the host, but staying on the same network segment as the host, the end result is that all the VMs are joine
In this article, in the previous iOS development of the network programming-using Nsurlconnection to achieve large file breakpoint continuation download, the use of output stream instead of file handle to achieve large file breakpoint continuation.In the actual development, the input and output flow with less, but it is very convenient to use. The input and outpu
I ask Xi Xi, a few days ago to play with a bit of MATLAB in the use of Neural network toolbox, and suddenly there is "palpable" the sense of the well-being. The other is nothing, but the data structure of the neural network is a bit "weird", if careless will cause the toolbox error. Here is the correct open posture for the Neural
Experiment 1: use of multi-function browsers and individualsBlogCreation and use
I,Lab Purpose
1. Familiar with the use and configuration of various browsers;
2. Create and complete a personal blog.
II,Lab content
1. Installation and Use of multi-function browsers
N Please download more than 3 browsers, instal
I feel that NetworkManager has never been stopped since I used Linux. This reconfirmed.
On my Ubuntu 10.10, I used NetworkManager to configure two NICs and ADSL, and configured iptables to allow other machines in the network to access the Internet through this machine.
After the configuration is complete, you will find problems. Some websites may not be able to access, such as 126 or Youku.
Think twice about it. Later, I began to doubt NetworkMan
How to use PPS network TV? PPS Network TV is a small and free network TV. Due to the use of PPS p2p-streaming technology, with more users more stable playback, support tens of thousands of of people at the same time online large-scale access characteristics, by users like. E
Use of wireless network card
One, the classification of wireless network card
Wireless card can be divided into: built-in wireless network card and external wireless network card.
1, built-in wireless network card
Built-in wir
Rising anti-virus software network version of the network can be a unified computer installation, Setup, management, maintenance and upgrade, so as to provide a sound network of virus prevention system. For the first contact anti-virus software network version of users, the lack of experience and the product function o
NetEase Network Disk Assistant is a good synchronization software, you can use the network Disk Assistant to make a local computer folder and NetEase Mailbox network folder to bind, become synchronized folder. After the binding is successful, the two Sync folders can be synchronized, whether adding files or modifying t
network sniffer can only be captured. That is to say, in the network environment built by the switch, the network sniffer cannot analyze packets from other hosts or the entire LAN without using a special method. However, if we want to use network sniffer to solve
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