? In order to facilitate the study of big data, set the virtual machine to a static network mode with a fixed IP, and modify the configuration file /etc/sysconfig/network-scripts/ifcfg-ens33 as follows:
? When restarting the VM, using systemctl status network.service to check the network status shows Failed to start LSB: Bring up/down networking. , and restarting the network also reports the error No No suitable device found for this connection.
? At this point, because of the missing NIC configuration, first use ip addr show to view the VM's mac address.
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