linux 安装mysql

1.安装mysql5.6依存包

[root@localhost src]# yum -y install make gcc-c++ cmake bison-devel ncurses-devel libaio

[root@localhost src]# yum install libaio libaio-devel -y

[root@localhost src]# yum install net-tools -y

2.下载编译包

wget https://cdn.mysql.com//Downloads/MySQL-5.6/mysql-5.6.37-linux-glibc2.12-x86_64.tar.gz

tar -xvf mysql-5.6.37-linux-glibc2.12-x86_64.tar.gz

3.复制到指定目录

mv mysql-5.6.37-linux-glibc2.12-x86_64 /usr/local/mysql

4.创建mysql用户和组

groupadd mysql

useradd -r -g mysql mysql -d /usr/local/mysql

passwd mysql

5.修改目录权限

chown -R mysql:mysql /usr/local/mysql

6.安装数据库

su mysql

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

exit

7.复制mysql配置文件

cd /usr/local/mysql/support-files

cp my-default.cnf /etc/my.cnf

8.添加系统服务

cp mysql.server /etc/init.d/mysql

chkconfig mysql on

9.添加环境变量

vim /etc/profile

在最下面添加

export MYSQL_HOME="/usr/local/mysql"

export PATH="$PATH:$MYSQL_HOME/bin"

保存退出后，执行生效代码

. /etc/profile

10.启动mysql

service mysql start

11.设置root密码

mysqladmin -u root password '123456'

12.设置默认端口

vi /etc/my.cnf

[mysqld]

basedir=/usr/local/mysql

datadir=/usr/local/mysql/data

port=3306

server_id=1

socket=/tmp/mysql.sock

max_allowed_packet=4M

13.允许所有外部链接访问（可选）

mysql -u root -p

mysql命令行输入

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;

FLUSH PRIVILEGES;

14.关闭防火墙

chkconfig iptables off

service iptables stop