Geeks, please accept the hero post of 2021 Microsoft x Intel hacking contest>>>

Link to the original text:

https://blog.csdn.net/baiboya/article/details/80452822

Ens33 this network card has been unable to activate, looked for half a day on the net, found this blogger’s article, only then solved, although did not know the principle, but still wanted to thank this blogger

Error starting CentOS:

When executing ifup

Error occurred: e rror:Connection activation failed: No suitable device found for this connection

Solution:

chkconfigNetworkManageroff

chkconfignetworkon

serviceNetworkManagerstop

servicenetworkstart

And then