1.根据linux发行版到下面的网址下载相应的mysql捆装包（我的当前系统为sles11sp3-x86_64）,所以下载的包如下（版本我下的是5.6的）
http://mirrors.sohu.com/mysql/MySQL-5.6/MySQL-5.6.22-1.sles11.x86_64.rpm-bundle.tar
2.在安装之前首先删除系统内原有的mysql包，并确认/etc没有my.cnf文件
linux-ig30:~/mysql # rpm -qa |grep mysql |xargs rpm -e --nodeps
linux-ig30:~ # ls -l /etc/my.cnf
ls: cannot access /etc/my.cnf: No such file or directory
3.解压并安装
◆解压
linux-ig30:~ # mkdir mysql
linux-ig30:~ # tar xvf MySQL-5.6.22-1.sles11.x86_64.rpm-bundle.tar -C mysql/
linux-ig30:~ # cd mysql/
linux-ig30:~/mysql # ls
MySQL-client-5.6.22-1.sles11.x86_64.rpm
MySQL-devel-5.6.22-1.sles11.x86_64.rpm
MySQL-embedded-5.6.22-1.sles11.x86_64.rpm
MySQL-server-5.6.22-1.sles11.x86_64.rpm
MySQL-shared-5.6.22-1.sles11.x86_64.rpm
MySQL-shared-compat-5.6.22-1.sles11.x86_64.rpm
MySQL-test-5.6.22-1.sles11.x86_64.rpm
◆安装
linux-ig30:~/mysql # rpm -ivh *.rpm //会自动创建mysql用户和组
注：如果存在包依赖关系，那么就要先建好本地源，然后再通过zypper install *.rpm来安装
过程省略，有用的信息如下
①ARANDOM PASSWORD HAS BEEN SET FOR THE MySQL root USER !
You will find that password in '/root/.mysql_secret'.
②New defaultconfig file was created as /usr/my.cnf and
will be used bydefault by the server when you start it.
You may edit thisfile to change server settings
3.配置mysql
◆my.cnf的位置
由②可知my.cnf默认在/usr目录下,习惯问题，把my.cnf移动到/etc目录下
linux-ig30:~ # mv /usr/my.cnf /etc/
◆默认安装完成后，mysql没有启动,首先启动mysql
linux-ig30:~ # /etc/init.d/mysql start
◆默认安装完成后，为mysql设置了一个随机密码，放在了/root/.mysql_secret文件下，由上面的①可知
◆更改mysql root密码（必须更改，不更改不能使用）
linux-ig30:~ # cat .mysql_secret
# The random password set for the root userat Thu Jan 8 21:01:30 2015 (local time):fasTzELW54qTKgBz
linux-ig30:~ # mysqladmin -uroot -pfasTzELW54qTKgBz password
Warning: Using a password on the commandline interface can be insecure.
New password: //输入新密码
Confirm new password: //再次确认新密码
至此安装完毕
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