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Environment: notebook + home WIFI + company WIFI + VMware + CentOS6.8 + Xshell

Problem description: when learning Linux, I installed a virtual machine (single network card) with a laptop. I want to realize that linux can be connected wirelessly at home and in the company, but I don't want to manually enter IP to log in to Xshell every time after the location changes.

Solution: add a network card (eth2), set eth2 to VMnet1 (host mode host-only only) for Xshell login, and the original network card eth0 is VMnet8 (NAT mode)

Implementation method:

Open the Virtual Network Editor of VM, view the VMnet1 subnet address, and manually change it to 11.11.11.0

Start Linux and log in with root.

Modify eth0 configuration file

# vim / etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0HWADDR=00:0C:29:97:06:BCTYPE=EthernetUUID=24e72ebf-5682-4a8f-87a4-6b53b39a5e0bONBOOT=yes # Boot enable the network card NM_CONTROLLED=yesBOOTPROTO=dhcp # ensure that the DHCP service is enabled to automatically obtain IP

Modify eth2 configuration file

# vim / etc/sysconfig/network-scripts/ifcfg-eth2DEVICE=eth2 # Note that HWADDR (MAC address) and UUID (universal unique identification number Universally Unique Identifier) cannot be repeated with other network cards TYPE=EthernetONBOOT=yesNM_CONTROLLED=yesBOOTPROTO=static # static IP is used for xshell remote login IPADDR=11.11.11.68 # VMnet1 subnet is 30 segments NETMASK=255.255.255.0 # GATEWAY=11.11.11.1 my mistake: network card eth2 cannot add gateway

Restart the network service after the configuration is completed, and check the connection

# service network restart#ping www.qq.com

Ping has proved that it can be connected to the external network, and this scheme is feasible.

The above is the whole content of this article, I hope it will be helpful to your study, and I also hope that you will support it.

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