VirtualBox installation CENTOS7 configuration Bridge Network card, the realization of the host and virtual machine interoperability, virtual machine can access the external network, to solve the problem of Internet access

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1. VirtualBox quickly set up virtual machine Centos7-mini, configure bridge Network, realize and host interoperability, virtual machine can access the extranet link: https://pan.baidu.com/s/1dE5EYnn Password: Efds
2.virtualbox Rapid replication Virtual Machine Bridge network, implementation and host interoperability, virtual machine can access the extranet link: Https://pan.baidu.com/s/1c1UJyla Password: DBGF

VirtualBox installation CENTOS7 configuration Bridge network card, to achieve host and virtual machine interoperability, virtual machine can access the network, to solve the problem of Internet virtualbox:5.1.22 r 115126 Host: fedora25 virtual machine: centos7-64 bit ( Centos-7-x86_64-dvd-1611.iso)
1. Get host IP subnet Mask Gateway DNS ETC 1.1 Get host information Nmcli Conn SHOW-A nmcli conn Show ' connection name ' Note Host IP 172.18.7.124 subnet mask 22 (255.255.252.0), if 24, That mask is 255.255.255.0 gateway 172.18.7.254 DNS1 172.17.3.101 DNS2 172.17.3.102
2. Install Centos-mini version 2.1 new virtual Machine
2.2 Modify the virtual machine NIC mode to bridge, and note the virtual machine MAC address
2.3 Mount Centos7 Mirror
2.4 Start the installation (using the default option, the specific procedure is omitted, here is the minimal installation)
2.5 Installation is complete, click Restart

3. Configure the network card 3.1 Enter the user name and password, log on to the system
3.2 IP addr, view IP,
3.3/etc/sysconfig/network-script/Modify the network adapter configuration
3.4 Modify the following: IP address requirements with the host in the same network segment Within

4. Test connectivity (host to virtual machine, virtual machine to host, virtual machine to extranet) 4.1 Restart the network to check that the IP is in effect
4.2 check and host extranet connectivity
4.3 check host to virtual machine connectivity

Configuration Complete ~