非root安装mysql

参考：https://blog.youkuaiyun.com/qq_40593496/article/details/116016907

my.cnf:
[client]   
port=3336  
socket=/home/xiaosong/mysql/mysql.sock  

[mysqld]
port=3336
basedir=/home/xiaosong/mysql
datadir=/home/xiaosong/mysql/data
pid-file=/home/xiaosong/mysql/mysql.pid
socket=/home/xiaosong/mysql/mysql.sock
log_error=/home/xiaosong/mysql/error.log
server-id=100
# 设置大小写不敏感
lower_case_table_names=1

./mysqld --defaults-file=/home/xiaosong/mysql/my.cnf --initialize --user=xiaosong --basedir=/home/xiaosong/mysql/ --datadir=/home/xiaosong/mysql/data

bin/mysqld --defaults-file=/home/xiaosong/mysql/my.cnf --initialize --user=xiaosong --basedir=/home/xiaosong/mysql --datadir=/home/xiaosong/mysql/data
bin/mysqld_safe --defaults-file=/home/xiaosong/mysql/my.cnf --user=xiaosong &
bin/mysql -u root -p -S /home/xiaosong/mysql/mysql.sock