转载自:http://www.linuxidc.com/Linux/2015-01/111413.htm
Linux中使用最广泛的数据库就是MysqL,使用在线yum的方式安装的版本落后MysqL网站好几个小版本,本节亲自测试安装新版的MysqL。
测试机器环境:
VMware Workstation 10 虚拟机
内存:1G
Linux版本:CentOSMinimalCD 6.5
JAVA:JAVA_HOME=/opt/jdk
安装MysqL前需要查询系统中含有的有关MysqL的软件。
rpm -qa | grep -i MysqL //grep -i是不分大小写字符查询,只要含有MysqL就显示
屏幕显示:
MysqL-libs-5.1.71-1.el6.i686 //它是好几个软件的依赖,其中在mini版本中postfix软件依赖MysqL-libs,网络上很多建议都是直接删除,
yum remove MysqL-libs 或者 rpm -e --nodeps MysqL-libs-5.1.71-1.el6.i686,总觉得这样做不好。
查找MysqL官方资料,得到安装方法是用MysqL-shared-compat将MysqL-libs-5.1.71-1.el6.i686替换为同版本后在安装MysqL。
下载MysqL地址:http://dev.mysql.com/downloads/mysql/
CentOS是RedHatLinux系列的,因此选择RedHatLinux(见红线地方),网页会自动变成RedHatLinux有关的MysqL下载:
需要下载2个内容,一个是MySQL-5.6.21-1.el6.i686.rpm-bundle.tar,这个是几个程序的合集包,另一个是MySQL-shared-compat-5.6.21-1.el6.i686.rpm,这个是软件包包括MySQL 3.23和MySQL 4.0的共享库。如果你安装了应用程序动态连接MySQL 3.23,但是你想要升级到ySQL 4.0而不想打破库的从属关系,则安装该软件包而不要安装MySQL-shared。从MySQL 4.0.13起包含该安装软件包。
将2个文件上传到CentOS中,解压MySQL-5.6.21-1.el6.i686.rpm-bundle.tar。
#tar xvf MySQL-5.6.21-1.el6.i686.rpm-bundle.tar
MySQL-client-5.6.21-1.el6.i686.rpm
MySQL-devel-5.6.21-1.el6.i686.rpm
MySQL-shared-5.6.21-1.el6.i686.rpm
MySQL-test-5.6.21-1.el6.i686.rpm
MySQL-server-5.6.21-1.el6.i686.rpm
MySQL-embedded-5.6.21-1.el6.i686.rpm
ls -l
total 415068
-rw-r--r--. 1 root root 210442240 Nov 11 11:12 MySQL-5.6.21-1.el6.i686.rpm-bundle.tar
-rw-r--r--. 1 7155 wheel 17813608 Sep 12 16:25 MySQL-client-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 7155 wheel 3131328 Sep 12 16:25 MySQL-devel-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 7155 wheel 83106000 Sep 12 16:25 MySQL-embedded-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 7155 wheel 54611632 Sep 12 16:26 MySQL-server-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 7155 wheel 1878756 Sep 12 16:27 MySQL-shared-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 root root 4141488 Nov 18 14:42 MySQL-shared-compat-5.6.21-1.el6.i686.rpm
-rw-r--r--. 1 7155 wheel 49887932 Sep 12 16:27 MySQL-test-5.6.21-1.el6.i686.rpm
安装MySQL-shared-compat替换mysql-libs,如果不替换,在删除mysql-libs,会提示postfix依赖于mysql-libs:
rpm -i MySQL-shared-compat-5.6.21-1.el6.i686.rpm
# rpm -qa | grep -i mysql
mysql-libs-5.1.71-1.el6.i686
MySQL-shared-compat-5.6.21-1.el6.i686
yum remove mysql-libs
测试MySQL-server安装,提示需要安装perl:
rpm -ivh --test MySQL-server-5.6.21-1.el6.i686.rpm yum install perl
安装MySQL-server,MySQL-client:
rpm -ivh MySQL-server-5.6.21-1.el6.i686.rpm
Preparing...
########################################## [100%]
1:MySQL-server
########################################## [100%]
………………
………………
A RANDOM PASSWORD HAS BEEN SET FOR THE MySQL root USER !
You will find that password in '/root/
.mysql_secret'.
You must change that password on your first connect,no other statement but 'SET PASSWORD' will be accepted.
See the manual for the semantics of the 'password expired' flag.
Also,the account the anonymous user has been removed.
In addition,you can run:
/usr/bin/
mysql_secure_installation
………………
………………
rpm -ivh MySQL-client-5.6.21-1.el6.i686.rpm
Preparing...
########################################## [100%]
1:MySQL-client
########################################## [100%]
在安装MySQL-server,见上面的一段话,大意是全新安装设置的root密码在/root/.mysql_secret中,这是一个随机密码,你需要运行/usr/bin/mysql_secure_installation,删除anonymous用户。当然不建议用root用户来运行,rpm包已经建了一个mysql用户,可以使用这个用户:
more .mysql_secret
The random password set for the root user at Tue Nov 18 22:57:46 2014 (local t
ime): NljqL63OYlGo5cqy <– 得到root访问mysql的密码:NljqL63OYlGo5cqy
service mysql start
Starting MySQL... SUCCESS!
/usr/bin/mysql_secure_installation --user=mysql
NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED
FOR ALL MySQL
SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!
order to log into MySQL to secure it,we'll need the current
password for the root user.
If you've just installed MySQL,and
you haven't set the root password yet,the password will be blank,so you should just press enter here.
Enter current password for root (enter
none): <–使用刚才得到的root的密码 NljqL63OYlGo5cqy
OK,successfully used password,moving on...
Setting the root password ensures that nobody can log into the MySQL
root user without the proper authorisation.
You already have a root password set,so you can safely answer 'n'.
Change the root password? [Y/
n] y <– 是否更换root用户密码,输入y并回车,强烈建议更换
New password: <– 设置root用户的密码
Re-
enter new password: <– 再输入一次你设置的密码
Password updated successfully!
Reloading privilege tables..
... Success!
By default,a MySQL installation has an anonymous user,allowing anyone
to log into MySQL without having to have a user account created
them. This is intended only testing,and to make the installation
go a bit smoother. You should remove them before moving into a
production environment.
Remove anonymous users? [Y/
n] y <– 是否删除匿名用户,生产环境建议删除,所以输入y并回车
... Success!
Normally,root should only be allowed to connect from 'localhost'. This
ensures that someone cannot guess at the root password from the network.
Disallow root login remotely? [Y/n] y <–是否禁止root远程登录,根据自己的需求选择Y/
n并回车,建议禁止
... Success!
By ? [Y/n] y <– 是否删除test数据库,输入y并回车
- Dropping test database...
... Success!
- Removing privileges on test database...
... Success!
Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.
Reload privilege tables now? [Y/n] y 是否重新加载权限表,输入y并回车
... Success!
All done! you've completed all of the above steps,your MySQL
installation should now be secure.
Thanks for using MySQL!
Cleaning up...
至此,MySQL已经安装完成,最后看一下是否已将MySQL加到开机服务里:
chkconfig
auditd 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
blk-availability 0:off 1:on 2:on 3:on 4:on 5:on 6
:off
crond 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
ip6tables 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
iptables 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
iscsi 0:off 1:off 2:off 3:on 4:on 5:on 6
:off
iscsid 0:off 1:off 2:off 3:on 4:on 5:on 6
:off
lvm2-monitor 0:off 1:on 2:on 3:on 4:on 5:on 6
:off
mdmonitor 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
multipathd 0:off 1:off 2:off 3:off 4:off 5:off 6
:off
mysql 0:off 1:off 2:on 3:on 4:on 5:on 6:off <-
看到这个OK了
netconsole 0:off 1:off 2:off 3:off 4:off 5:off 6
:off
netfs 0:off 1:off 2:off 3:on 4:on 5:on 6
:off
network 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
postfix 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
rdisc 0:off 1:off 2:off 3:off 4:off 5:off 6
:off
restorecond 0:off 1:off 2:off 3:off 4:off 5:off 6
:off
rsyslog 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
saslauthd 0:off 1:off 2:off 3:off 4:off 5:off 6
:off
sshd 0:off 1:off 2:on 3:on 4:on 5:on 6
:off
udev-post 0:off 1:on 2:on 3:on 4:on 5:on 6:off
MySQL安装后涉及的目录如下:
目录 |
目录中的内容 |
/usr/bin |
客户端程序和脚本 |
/usr/sbin |
Mysqld服务器 |
/var/lib/mysql |
数据库的日志文件 |
/usr/share/info |
信息格式手册 |
/usr/share/man |
Unix 手册页 |
/usr/include/mysql |
包括 (标题) 的文件 |
/usr/lib/mysql |
mysql的lib包 |
/usr/share/mysql |
杂项的支持文件,包括错误消息) 字符设置的文件,示例配置文件,SQL 数据库安装 |
/usr/share/sql-bench |
基准 |
现在好了,可以测试你的MySQL了。
--------------------------------------分割线 --------------------------------------
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本文永久更新链接地址:http://www.linuxidc.com/Linux/2015-01/111413.htm