用systemctl start mariadb啟動(dòng)的時(shí)候報(bào)Failed to start mariadb.service:Unit not found
想了一下是不是沒(méi)有mariadb.service于是試了一下
yum?install?mariadb.service
但是還是會(huì)報(bào)錯(cuò):
no?package?mariadb.service?available說(shuō)沒(méi)有包,
于是試了一下yum?install?mariadb.service
依然報(bào)錯(cuò):

想試試自啟動(dòng)Mysql輸入
systemctl enable mariadb
報(bào)錯(cuò)Failed to execute operation:Access denied

又想,是不是因?yàn)閙ysql和mariadb兩種數(shù)據(jù)庫(kù)的問(wèn)題,所以試了一下systemctl enable mysql但是依然報(bào)一樣的錯(cuò),
可能依然沒(méi)有相應(yīng)的包,
于是運(yùn)行
yum?-y?install?mariadb-server?mariadb?mariadb-client?mariadb-devel
問(wèn)題解決。