启动mysql报错 /etc/init.d/mysql: line 239

问题遇到的现象和发生背景

初始化之后 systemctl start mysql
产生
/etc/init.d/mysql: line 239: mysqld: command not found
Starting MySQLCouldn't find MySQL server (/usr/local/mysql/[FAILED]ld_safe)

数据库服务没有启动