二进制安装：
[root@lufengcentos ~]# mkdir /home/lufeng/tools -p
[root@lufengcentos ~]# cd /home/lufeng/tools
[root@lufengcentos tools]# rz
[root@lufengcentos tools]# tar xf MySQL-5.5.49-linux2.6-x86_64.tar.gz
[root@lufengcentos tools]# mkdir -p /application/mysql-5.5.49
[root@lufengcentos tools]# mv mysql-5.5.49-linux2.6-x86_64 /application/mysql-5.5.49
创建mysql用户|组
[root@lufengcentos tools]# groupadd mysql
[root@lufengcentos tools]# useradd mysql -g mysql -s /sbin/nologin -M
初始化配置文件
[root@lufengcentos tools]# ln -s /application/mysql-5.5.49/ /application/mysql
[root@lufengcentos tools]# cd /application/mysql
[root@lufengcentos mysql]# cp support-files/my-small.cnf /etc/my.cnf
初始化数据库文件
[root@lufengcentos mysql]# mkdir -p /application/mysql/data
[root@lufengcentos mysql]# chown -R mysql.mysql /application/mysql/
[root@lufengcentos mysql]# /application/mysql/scripts/mysql_install_db --basedir=/application//mysql --datadir=/application/mysql/data --user=mysql
配置并启动mysql
[root@lufengcentos mysql]# cp support-files/mysql.server /etc/init.d/mysqld
[root@lufengcentos mysql]# chmod +x /etc/init.d/mysqld
root@lufengcentos mysql]# sed -i 's#/usr/local/mysql#/application/mysql#g' /application/mysql/bin/mysqld_safe /etc/init.d/mysqld
[root@lufengcentos mysql]# /etc/init.d/mysqld start
Starting MySQL... SUCCESS!
[root@lufengcentos mysql]# netstat -lntup|grep mysql
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 2951/mysqld
配置全局使用路径
[root@Mysql-server ~]# echo 'export PATH=/application/mysql/bin:$PATH' >>/etc/profile
[root@Mysql-server ~]# tail -1 /etc/profile
export PATH=/application/mysql/bin:$PATH
[root@Mysql-server ~]# echo $PATH
/application/mysql/bin:/applicaion/mysql/bin:/applicaion/mysql/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
安全配置：
[root@Mysql-server ~]# mysqladmin -u root password '199429'
[root@Mysql-server ~]# mysql
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
[root@Mysql-server ~]# mysql -uroot -p
删除多余用户:
+------+-----------+
| user | host |
+------+-----------+
| root | 127.0.0.1 |
| root | localhost |
+------+-----------+
本文标题：Mysql数据库简单安装（二进制）
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