Nic Aliases | CentOS 6 Bonding | CentOS 7 NMCLI Network GroupNic Aliases:1. Command implementation: all for temporary effectIfconfig]# ifconfig eth0:0 202.204.235.5, 24]# ifconfig eth0:0 down to revoke the aliasIp:]# IP addr Add 202.204.235.10/24 dev eth0The address is not visible to the ifconfig command]# IP addr Add 202.204.235.20/24 dev eth0 label eth0:0Ifconfig Displays the label information, and if you add an address to the alias, Ifconfig only
What is an IP alias?In the words of Windows, you configure multiple IPs for a network card.When do I add IP aliases to what occasions?Web needs, multi-IP access testing, specific software for multiple IP needs ... and so on.HowHere are a few examples of how to use the Ifconfig command to configure an IP alias for a network card.For the configuration of the ip/mask/dns/Gateway/route, seeRouter/linux host/win The host's routing configuration summary. Note: Be aware that your configuration takes ef
1, the problem situationAfter cloning a virtual machine in VMware, the new virtual machine network can not be used, and the original operating system Nic Eth0 in the cloned new system, the network card number becomes eth1, and the IP address is lost, the network is not normal use.2. Environmental conditions
Original machine Name
Target host after cloning
Machine name
Alias
Machine name
Alias
How to install wireless NIC Driver in Ubuntu and install wireless Nic In ubuntuAcer (acer) cannot use wifi after Ubuntu is installed. The solution is as follows:
Ps: Acer wireless network cards are generally BroadcomStep 4: 1. Create a New cdrom folder in the media folder under the root directory and enter sudo mkdir/media/cdrom on the terminal. 2. Load the installation package, that is, the Ubuntu system
Nic binding and nic module in linux-Linux Enterprise Application-Linux server application information. For details, refer to the following section. By: 3041614
You can bind an Eni using either of the following methods:
1. # arp-s 192.168.1.1 00: 1d: dd: e3: 3e: e5 .............................. this is done, but it disappears after the machine is restarted. If you want to bind the
://communities.vmware.com/thread/3289682, the installation process prompted "No compatible network adapter found", can not continue to install.The NIC driver could not be found. This is because 5.5 of the removal of a lot of drivers, these drivers corresponding to the hardware is generally not used for professional servers, so the driver added to the good.Take the common lack of Realtek 8118/8168 NIC driver
Problem scenario: Eth0 NIC does not load automatically, NIC configuration information is not in network-scriptsSolve:1 "Vi/etc/rc.d/rc.loaclFinally addedIfup eth02 "reboot3 "TestWhether the service network restart is valid for a different IPor the desktop environment to see if the network card status is connected4 "Ifconfig-aSee if the eth0 information changesIf it changes, it means the effectThis solution
Problem Description:With the VMware Workstation virtual machine, after installing the CentOS7 virtual machine (originally with only one Nic Ifcfg-ens33), a new NIC is added again.After entering the CENTOS7 system, use the IP addr to view the status as follows:Ens33 and ens77 are found to have an IP address, and can be used normally, ENS33 use manual configuration ip,ens37 using the IP address automatically
The ubuntulinux Nic configuration file only contains the LO inner ring network configuration. Why is there no Nic configuration? -- Linux general technology-Linux technology and application information. For details, refer to the following section. In ubuntu, only the auto lo configuration file is used when the more/etc/network/interfaces configuration file is used. How does the configuration file of the eth
Suse dual Nic binding, suse dual Nic
Here we use two NICs, eth1 and eth2.
Edit the/etc/sysconfig/network/ifcfg-bond0 file (this file does not need to be created)
Device = 'bond0'BOOTPROTO = 'static'BROADCAST = '10. 10.2.255'IPADDR = '10. 10.2.190'NETMASK = '2017. 255.255.0'STARTMODE = 'onboot'BONDING_MASTER = yesBONDING_SLAVE_0 = 'eth1'BONDING_SLAVE_1 = 'eth2'BONDING_MODULE_OPTS = 'miimon = 200 mod
centos6.x Configure NIC Bindings
(mainly understand three kinds of modes: mode=0,1,6.)
Stop NetworkManager first.Service NetworkManager StopChkconfig NetworkManager off//power-on self-boot shutdown
In the/etc/sysconfig/network-scripts/directory to establish ifcfg-bond0 files, the contents of the document are as follows:Device=bond0Userctl=noBootproto=noneOnboot=yesipaddr=192.168.100.17//IP you have setnetmask=255.255.255.0gateway=192.168.100.1Type=unk
Linux nic (set Nic speed and mode) Ethtool is a command used to query and set Nic parameters. Summary: ethtool ethX // query ethX network port Basic settings ethtool-h // display ethtool Command help (help) ethtool-I ethX // query ethX network port information ethtool-d ethX // query ethX network port Registration Information ethtool-r ethX // reset ethX network
After the VM is cloned, The eth0 Nic becomes the eth1 Nic and the IP address disappears. Solution1. Problem
After a virtual machine is created in vmware, the network of the new virtual machine cannot be used, and the network card number is changed to eth1 In the cloned new system with the network card eth0 in the original operating system, the IP address is also lost and the network cannot be used normally.
RHEL7 Nic settings, rhel7 Nic1. Change the NIC name to vim/etc/sysconfig/grub:GRUB_TIMEOUT = 5GRUB_DEFAULT = savedGRUB_DISABLE_SUBMENU = trueGRUB_TERMINAL_OUTPUT = "console"GRUB_CMDLINE_LINUX = "crashkernel = auto rhgb quiet net. ifnames = 0 biosdevname = 0"GRUB_DISABLE_RECOVERY = "true" after grub2-mkconfig-o/boot/grub2/grub. cfg reboot and then modify the NIC n
Directory: http://www.cnblogs.com/WuCountry/archive/2008/11/15/1333960.html[Do not provide illustrations. You are advised to download the source book from the Internet]
5.3. Basic goals of NIC initialization basic purpose of NIC InitializationEach network device is represented in the Linux kernel by an instance of the net_device data structure. in chapter 8, you will see how net_device data structures are
Guidance:The NIC cannot be started because the NIC is changed in Ubuntu jeos under VM. The reason is that the MAC address of the NIC configured by the VM is different from that configured by Ubuntu jeos.Use IFUP eth0Eth0: Error while getting interface flags: no such deviceSiocsifaddr: no such deviceEth0: Error while getting interface flags: no such deviceSiocsifn
Bluetooth device, VIRBR0 is a virtual network card (that is, the system comes with)Then I have to find a way to delete ah, on-line check, pan0 of the removal of almost no, I think of the next, since it is Bluetooth is definitely hardware equipment, so fdisk-l see there is no redundant equipment, found no, then I found here, first service BluetoothStop, hang up the Bluetooth service650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M02/89/DC/wKioL1ggGqGC5TSdAABx11U5A5s803.png-wh_500x0-wm_3 -
ArticleDirectory
Problem description
This is generally because the installed Client Version of ruijie is low and cannot be used in win7. There are two solutions:
Problem description
Ruijie client win7 cannot be used. After installation, the following message is always prompted:
Unable to find the NIC or the system has not completed Nic initialization. Please try again later
Cause and Solution
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