redhat6.3安装MySQL

首先下载下面三个文件：

MySQL-client-5.6.13-1.el6.x86_64.rpm
MySQL-devel-5.6.13-1.el6.x86_64.rpm
MySQL-server-5.6.13-1.el6.x86_64.rpm

然后使用root账号登陆，进行安装：

1. 安装server、devel、client：1. 安装server、devel、client：

rpm -ivh --replacefiles MySQL-s*.rpm 

rpm -ivh --replacefiles MySQL-d*.rpm

rpm -ivh --replacefiles MySQL-c*.rpm

[root@localhost download]# rpm -ivh --replacefiles MySQL-server-5.6.13-1.el6.x86_64.rpm
Preparing...                ########################################### [100%]
   1:MySQL-server           ########################################### [100%]
[root@localhost download]# rpm -ivh --replacefiles MySQL-client-5.6.13-1.el6.x86_64.rpm
Preparing...                ########################################### [100%]
   1:MySQL-client           ########################################### [100%]
[root@localhost download]# rpm -ivh --replacefiles MySQL-devel-5.6.13-1.el6.x86_64.rpm
Preparing...                ########################################### [100%]
   1:MySQL-devel            ########################################### [100%]

要移除安装可以使用 rpm -e MySQL-server  、 rpm -e MySQL-devel、MySQL-client即可；

2. 初始化数据库： 

/usr/bin/mysql_install_db 

3. 启动mysql服务：

service mysqld start

使用命令ps -ef | grep mysql 查看mysql进程：

[root@localhost ~]# ps -ef | grep mysql
root     26047     1  0 18:14 pts/12   00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/localhost.localdomain.pid
mysql    26227 26047  0 18:14 pts/12   00:00:01 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/lib/mysql/localhost.localdomain.pid --socket=/var/lib/mysql/mysql.sock
root     26545 24726  0 18:27 pts/8    00:00:00 grep mysql

4 .第一次登陆设置root密码：

首先查看 cat /root/.mysql_secret

root@localhost ~]# cat /root/.mysql_secret
# The random password set for the root user at Fri Aug 30 15:57:18 2013 (local time): fMYcarvB

然后命令行：mysql -u root -p ，然后输入上面的密码即可：

[root@localhost ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.6.13 MySQL Community Server (GPL)

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

设置root密码： 

mysql> use mysql
Database changed
mysql> update user set password=password('root') where user='root';
Query OK, 0 rows affected (0.15 sec)
Rows matched: 5  Changed: 0  Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

退出，重新登陆即可使用新的密码登陆；

5. 设置远程登陆：

使用root登陆到mysql后

mysql> update user set host='%' where user='root';
ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY'
mysql> select host,user from user;
+-----------------------+------+
| host                  | user |
+-----------------------+------+
| %                     | root |
| 127.0.0.1             | root |
| 192.168.128.142       | root |
| ::1                   | root |
| localhost.localdomain | root |
+-----------------------+------+
5 rows in set (0.00 sec)

然后：  

mysql> grant all privileges on *.* to 'root'@'%' with grant option;
Query OK, 0 rows affected (0.08 sec)

mysql> exit
Bye
[root@localhost ~]# service mysql restart
Shutting down MySQL.. SUCCESS!
Starting MySQL.. SUCCESS!

重启mysql即可远程登陆。

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