a:把之前安裝了mysql-community數(shù)?庫(kù)先刪除掉!

         #rpm -qa | grep mysql

         #yum remove mysql*

         #rm -rf /var/lib/mysql

    b:執(zhí)行命令安裝mariadb

         #yum install mariadb mariadb-server -y

    c:安裝好之后設(shè)置啟動(dòng)

         #systemctl start mariadb.service

         #systemctl enable mariadb.service   #注意在執(zhí)行開(kāi)機(jī)自啟動(dòng)時(shí)出錯(cuò)是因?yàn)闆](méi)有設(shè)置密碼

    d:剛剛安裝的mariadb是沒(méi)有密碼的

    e:設(shè)置密碼

         MariaDB[(none)]>update mysql.user set password=password(‘密碼’) where user=”root”;

         MariaDB[(none)]>flush privileges;

    f:修改密碼之后在來(lái)執(zhí)行讓mariadb開(kāi)機(jī)自啟動(dòng)就不會(huì)出錯(cuò)了

         #systemctl enable mariadb.service