在 centos 7 系统上,使用常规命令:systemctl restart mysql 或 service mysqld restart 重启 mysql 时都会报如下错误:
Failed to start mysqld.service: Unit not found.
find / -name mysql.server
#mysql源码解压包
/usr/local/mysql-8.0.31/bld/support-files/mysql.server
#我在一台机器上装了两个mysql,端口号分别为:3306、3307
#端口号为3306的mysql
/usr/local/mysql/support-files/mysql.server
#端口号为3307的mysql
/usr/local/mysql3307/support-files/mysql.server
/usr/local/mysql/support-files/mysql.server restart
/usr/local/mysql/support-files/mysql.server start
/usr/local/mysql/support-files/mysql.server stop
原文地址:https://blog.csdn.net/weixin_47156401/article/details/132126080
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