How to solve the problem that centos7 cannot restart the network

Problem recovery:

When running the "/etc/init.d/network restart" command, the following error occurs:

“Job for network.service failed. See 'systemctl status network.service' and 'journalctl -xn' for deta”

Run" "cat /var/log/messages | grep network" command to view network-related information appearing in the log, as follows:

Bringing up interface eth0:  Error: no device found for connection 'eth0'.

(Recommended tutorial: centos tutorial)

Solution:

(1) Edit the network card configuration file

vi /etc/sysconfig/network-scripts/ifcfg-eth0

Modify the following configuration:

ONBOOT=yes

(2) Modify the hardware address and the mac obtained by the ifconfig command The addresses are consistent.

(3) Check whether the local VMware DHCP and VMware NAT services are started.

Solution to the failure to start VMware DHCP and WMware NAT services locally:

1. Shut down the virtual machine.

2. Edit-->Virtual Network Settings-->Restore Virtual Network Settings

Recommended related video tutorials: linux video tutorial

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