数据库_MySQL(1)-Linux下安装MySQL5.7.3

1.下载并解压

下载安装包

mysql-5.7.3-m13-linux-glibc2.5-x86_64.tar.gz

解压至/usr/local目录

tar zxvf mysql-5.7.3-m13-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.7.3-m13-linux-glibc2.5-x86_64 mysql

2.创建用户组和用户

groupadd mysql
useradd -g mysql mysql

3.创建数据目录

cd /usr/local/mysql
mkdir -p data
chown -R mysql:mysql /usr/local/mysql

4.安装perl相关,否则报错

yum install perl
yum install 'perl(Data::Dumper)'

5.执行安装

./scripts/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data

6.配置系统服务

cp support-files/mysql.server /etc/init.d/mysqld
chmod 755 /etc/init.d/mysqld
cp support-files/my-default.cnf /etc/my.cnf

7.修改启动脚本

vi /etc/init.d/mysqld

basedir=/usr/local/mysql/
datadir=/usr/local/mysql/data

8.修改环境变量

vi .bashrc

export PATH=$PATH:/usr/local/mysql/bin

source .bashrc

9.启停

#启动
service mysqld start
#关闭
service mysqld stop
#查看状态
service mysqld status

10.授权远程连接

mysql -uroot

grant all privileges on *.* to 'root'@'%' identified by 'root' with grant option;