linux ifconfig

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[Network Configuration related]--ifconfig command, IP command, Route command

Ifconfig command1. View the details of the network card that has been activated# ifconfig eth0 Link encap:ethernet HWaddr 00:30:67:f2:10:cf inet addr:10.0.0.253 bcast:10.0.255.255 Mask : 255.255.0.0inet6 ADDR:FE80::230:67FF:FEF2:10CF/64 scope:linkup broadcast RUNNING multicast MTU:1500 Metric:1RX packets:4663517 errors:0 dropped:0 overruns:0 frame:0tx packets:6122850 errors:0 dropped:0 overruns:0 carrier:0

Install the wireless driver and ifconfig wlan0 up

* Name,Struct net_device ** new_dev, Enum nl80211_iftype type,Struct vif_params * Params) {Ndev = alloc_netdev_mq (sizeof (* sdata) + local-> HW. vif_data_size,Name, ieee80211_if_setup, local-> HW. Queues ); }... } } Net_device is the most important data structure in the network. This is described in Linux driver and understanding Linux Network internals. Now, the

CentOS7 ifconfig Command not found solution

Today, the early adopters with VMware installed CentOS7, selected the minimum installation package mode, after installation to check the IP address of the machine, found an error#ifcon-bash:ifconfig:commandnotfoundGoogle a bit, sorted out a solution to the idea1. See if the ifconfig command existsSee if/sbin/ifconfig exists2. If the ifconfig command is present, v

Ifconfig out is not eth0 (ETH1/2/3/4 other NIC) workaround

When we installed the Linux system using WMware, the installation was successful, then the network card used was eth0, no network card was added, and there was no eth1. However, after a period of time, the system has automatically generated a ETH1 network card, which can be seen using the Ifconfig command.First, either you delete the eth0 or you clone the original machine before this problem occurs.Want to

Ping the IP address. The output of ifconfig is indicated by RX packets: 234 errors: 12.

Ping the IP address. The error message displayed in ifconfig is "RX packets: 234 errors: 12". The default Nic of VirtualBox virtual machine is incorrect (the company uses wireless network and selects a wired Nic ), after re-selection, you can use www.2cto.com. The Oracle linux (Red Hat Linux) file is different from the Ubuntu IP configuration file: /etc/sysconfig

IP command and ifconfig command (reprint)

Linux's IP commands are similar to ifconfig , but the former is more powerful and intended to replace the latter. With the IP command, you can easily perform some network administration tasks with just one command. Ifconfig is a command that has been deprecated in net-tools and has not been maintained for many years. Many of the enhanced commands are available in the Iproute2 suite, which is one of the IP c

With the ifconfig command, only lo, there is no eth0 solution

Transfer from http://www.imooc.com/course/qadetail/qid/59155?page=2Problem Description: Enter the Ifconfig command in the video, display the eth0 and lo, but you do not get the result in the virtual machine, but only lo, that is, the network card is not started, there is no IP, unable to connect remotely with Xshell.Solution:1. Enter the/etc/sysconfig/network-scripts directory and find that there is a ifcfg-eth0, that is, the network card (driver) is

Use of the Ifconfig command

Configure and view network interface conditions using the Ifconfig commandExample 1: Configure eth0 IP and activate the device at the same time:# ifconfig eth0 192.168.4.1 netmask 255.255.255.0 upExample 2: Configure IP for the eth0 alias device eth0:1 and add routes# ifconfig Eth0:1 192.168.4.2# route add–host 192.168.4.2 Dev eth0:1Example 3: Activating (disabli

SCO TCP/IP network management --- ifconfig command syntax

In the previous article, we talked about the ifconfig command. In addition to initializing network interfaces, it can also be used for other temporary configurations, such as temporarily canceling the use of some network interfaces. The following is a syntax example of the ifconfig command. Configuring Interfaces: # /etc/ifconfig lo0 127.0.0.1 perf 57344

With the ifconfig command, only lo, there is no eth0 solution

Solution:1. Enter the/etc/sysconfig/network-scripts directory and find that there is a ifcfg-eth0, that is, the network card (driver) is present but not enabled.2. Enter the IFCONFIG-A command to display the eth0 and lo.3. Enter ifconfig eth0 up to enable the NIC. With Ifconfig, you can only see the address of the Inet6 (IPv6?), without the inet address (that is,

Solve CentOS 7 and report ifconfig: command not found

Solve CentOS 7 and report ifconfig: command not found I installed the minimal version. Generally, the minimal version of CentOS does not have a network tool installed. This command does not exist in the sbin directory. At this time, the system will prompt: # Ifconfig -Bash: ifconfig: command not found Run the following command to install the network tool:

Two shell scripts for network card Traffic Statistics (using ifconfig)

Code 1: Copy codeThe Code is as follows :#! /Bin/bash # Network card Traffic Statistics # Link: www.jb51.net # Date: 2013/2/26 N = 10 DateRm-rf/tmp/ifconfig_logWhile ($ n> = 0 ))DoN = $ ($ n-1 ));Date>/tmp/ifconfig_logIfconfig eth1>/tmp/ifconfig_logSleep 1Done Grep "RX bytes:"/tmp/ifconfig_log | awk-F "[: |] "'{print $13}' | awk 'BEGIN {tmp = $1} {if (FNR> 1) print $ 1-tmp} {tmp = $1 }' Code 2: Copy codeThe Code is as follows :#! /Bin/bash If [-n "$1"]; then Eth_name = $1 Else Eth_name = "eth0"

"Reprint" solution for Ubuntu with Ifconfig cannot display IP address under VMware

Reproduced in HTTP://BLOG.163.COM/WJN_MCU/BLOG/STATIC/23801601620146161062704/BackgroundRunning the operating system under a virtual machine, especially a Linux system, is a very common practice. Sometimes you want to set up a (simulated) server under a virtual machine for host access, such as building a telnet/ssh. At this point you will find that every time you start a virtual machine, VMware assigns a dynamic IP to the virtual machine system, which

Bash: ifconfig: Command not found

What is the problem with ifconfig? The system prompts that the image cannot be found ~~ So Baidu ~~ [[Email protected]/] $ ifconfigPrompt: "Bash: ifconfig: Command not found"Switch to the root user[[Email protected]/] $ ifconfigStill prompt: "Bash: ifconfig: Command not found"Analyze problems1. whereis ifconfig: Check

Solve the problem that the ifconfig command in RedHat cannot be used

Solve the problem that the ifconfig command in RedHat cannot be usedIn RedHat, open the terminal and run the "ifconfig" command. If the prompt is "command not found", we can solve the problem as follows:1. Enter the absolute path of the ifconfig command. ifconfig is under the/sbin directory. Therefore, run the followin

Centos 7 does not have the ifconfig command, centosifconfig

Centos 7 does not have the ifconfig command, centosifconfig Centos 7 does not have the ifconfig command: Installation command: yum install net-tools Why does centos input ifconfig saying that this command is not available? First, normal users do not have the permission to execute this command. If you have to execute this command, the search path of the exec

What should I do if the ifconfig command in Redhat/CentOS cannot be used?

What should I do if the ifconfig command in Redhat/CentOS cannot be used? Problem description: Enter ifconfig in the terminal and return "command not found "; Cause: the environment variable is not loaded. You can manually modify the environment variable. Implementation: Method 1: Features: temporary Enter the absolute path of the ifconfig command.

CentOS prompts for no command handling when entering the ifconfig command-just a process-open source China community

CentOS when entering the ifconfig command, prompt for no command handling posted 4 months ago (2013-09-11 08:14)?? Read A)? |? Reviews0) 0 People collection This article, I want to collect likes0 A CENTOS5.2 is installed on the virtual machine. After the installation, a lot of instructions are not found. Baidu after the problem solved. Record the processing method for future use. Execute? ifconfig prompt

Solve the problem that CentOS7 cannot use the ifconfig command

When the ifconfig command is executed on CentOS 7, the system prompts that the command does not exist.# Which ifconfig/Usr/bin/which: no ifconfig in (/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin)Install net-tools# Yum install net-toolsRun the ifconfig command again# Which

About the Red Hat Enterprise Edition input ifconfig display not found problem resolution

we enter the command: #ifconfig回车show Bash:ifconfig:command not found may be a red hat path problem, and then enter#/sbin/ifconfig will display information such as IP address. Solution:(I am also a rookie this is the version and Xiaojie taught me, share with you)Execute #cat ~/.bash_profile look at your path and then execute:#gedit/etc/profile then pops up a text box and adds it after the last line:path= $

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