执行bash service_init.sh报错日志
看样字像是MariaDB起不来，此时mysql的日志报错
需要先卸载mysql，再安装Mariadb
我在安装的时候就报错了，mysql有业务数据，卸载了后续再重新安装吗？
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file /usr/share/mysql/charsets/Index.xml from install of MariaDB-common-10.2.36-1.el6.x86_64 conflicts with file from package mysql-community-common-5.7.28-1.el6.x86_64
file /usr/share/mysql/charsets/armscii8.xml from install of MariaDB-common-10.2.36-1.el6.x86_64 conflicts with file from package mysql-community-common-5.7.28-1.el6.x86_64
file /usr/share/mysql/charsets/ascii.xml from install of MariaDB-common-10.2.36-1.el6.x86_64 conflicts with file from package mysql-community-common-5.7.28-1.el6.x86_64