linux下安装mysql遇到的一些问题

groupadd mysql
useradd -r -g mysql -s /bin/false mysql
cd /usr/local
tar zxvf /path/to/mysql-VERSION-OS.tar.gz
ln -s full-path-to-mysql-VERSION-OS mysql
cd mysql
mkdir mysql-files
chown mysql:mysql mysql-files　　#修改文件权限
chmod 750 mysql-files
bin/mysqld --initialize --user=mysql 
bin/mysql_ssl_rsa_setup
cp support-files/mysql.server /etc/init.d/mysqld #添加mysqld为系统服务
service mysqld start

[mysqld]
datadir=/usr/local/mysql/data
socket=/usr/local/mysql/data/mysql.sock
user=mysql
server-id=1
port=3306
log-bin=/usr/local/mysql/binary/mysql1-bin #二进制日志文件
pid-file=/usr/local/mysql/pid/mysql.pid #pid文件
secure-file-priv=‘‘
expire_logs_days=7

[client]
socket=/usr/local/mysql/data/mysql.sock