./mysqld_safe –user=mysql –basedir=/usr/local/mysql5.7 –datadir=/usr/local/mysql5.7/data &
mysqld_safe –user=mysql –basedir=/usr/local/mysql5.7 –datadir=/usr/local/mysql5.7/data –defaults-file=/etc/my.cnf
basedir=/usr/local/mysql5.7
datadir=/usr/local/mysql5.7/data