1. find / -name mysql
把查到的能刪的都刪了,因爲之前裝了很多不能用的,會互相沖突。
全部刪掉
rm -rf /run/lock/subsys/mysql
rm -rf /etc/rc.d/init.d/mysql
rm -rf /var/lib/mysql
rm -rf /usr/bin/mysql
rm -rf /usr/share/bash-completion/completions/mysql
rm -rf /usr/share/selinux/targeted/default/active/modules/100/mysql
rm -rf /usr/local/mysql
rm -rf /usr/local/bin/mysql
userdel -r mysql
groupdel mysql
2.userdel -r mysql
groupdel mysq
在查其他路徑,都刪掉。
3. yum install -y mariadb-server
重新安裝並啓動mariadb
systemctl start mariadb.service
systemctl enable mariadb.service
mysql_secure_installation
設置密碼
完成!!!