Centos yum conf.d folder is empty after installing nginx

the conf.d file of the installed nginx is empty. What should I do?

the system has installed gcc for nginx, installed by centos7, directly through the yum command

Mar.02,2021

is already empty

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e4f6f8-45037.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4f6f8-45037.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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