[root@localhost ~]# uuidgen ens33
223bdb47-2fed-4773-b984-5f5733e61904
2.UUID号写入网络配置文件ifcfg-ens33
NAME=ens33
DEVICE=ens33
ONBOOT=yes
UUID=223bdb47-2fed-4773-b984-5f5733e61904
3.重启网络，验证新获得的UUID号
[root@localhost ~]# service network restart
Restarting network (via systemctl): [ OK ]
[root@localhost ~]# nmcli con | sed -n '1,2p'
原文链接：https://blog.csdn.net/qq_30242987/article/details/98054168