Use service network restart to report an error Job for network.service failed because the control process exited with e

tags: linux  centos  

Use service network restart to report an error Job for network.service failed because the control process exited with error code


The network cannot restart after modifying ifcfg-ens38 under centos7 today

I checked carefully and found that there is no problem with ifcfg-ens38



HWADDR (physical address), NAME, UUID, and DEVICE are all written correctly, so why can't the network be restarted? I found that another ens33 network card was down by me

Then I turn on the network card, and the network can restart normally

During this process, I found one particularly interesting, that is, after I changed the UUID and ip of ifcfg-ens38, I used the service network restart command to restart the network normally, and the ip I modified was normal It took effect. Using the nmcli con command, you can also see that the UUID of the network card has also been successfully modified. Later, I changed the UUID of ens38 to the UUID of ens33 and successfully replaced it, and the system also assigned another UUID to ens33. But when I helped my friend set a static IP, the IP never took effect. Later, I found out that the UUID of the two network cards was the same. The UUID was modified to take effect. Don't say anything, I am going to faint myself. . . Do any friends know why this is?

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