CentOS系统安装mysql5数据库两种方法
简单点说,就是yum安装软件容易点,会自动解决各个包的依赖关系。rpm就一个软件包。
CentOS下以RPM方式安装MySQL5.5
首先去http://dev.mysql.com/downloads/mysql/5.5.html#downloads站点下载:
分别下载以下三个文件(由于我的机器是32位,下面是32位版本的包,如果你的机器是64位的请下载64位版本):
MySQL-server-5.5.16-1.rhel5.i386.rpm
MySQL-client-5.5.16-1.rhel4.i386.rpm
MySQL-devel-5.5.16-1.rhel4.i386.rpm
使用wget命令使用断点传输的方式将这三个文件下载
wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-server-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/
wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-client-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/
wget -c http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-devel-5.5.16-1.rhel4.i386.rpm/from/http://mysql.spd.co.il/
下载完成后开始安装:
rpm -ivh MySQL-server-5.5.16-1.rhel4.i386.rpm MySQL-client-5.5.16-1.rhel4.i386.rpm MySQL-devel-5.5.16-1.rhel4.i386.rpm
提示安装完成后,输入mysql 看是否安装成功
mysql
如果出现如下错误信息:(www.111cn.net)
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
说明mysql服务还没有启动,输入service mysql start启动mysql服务
service mysql start
然后再输入mysql,若出现以下提示信息,说明成功。
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.5.16 MySQL Community Server (GPL)
Copyright (c) 2000, 2011, 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.
首次安装时,默认密码为空,可以使用如下命令修改root密码,
mysqladmin -u root password mypassword
mypassword 为你设定的新密码
然后再次登录
mysql -u root –p
rpm包安装的MySQL是不会安装/etc/my.cnf文件的,解决方法,只需要复制/usr/share/mysql目录下的my-huge.cnf 文件到/etc目录,并改名为my.cnf即可
cp /usr/share/mysql/my-huge.cnf /etc/my.cnf
配置远程访问
处于安全考虑,Mysql默认是不允许远程访问的,可以使用下面开启远程访问
//赋予任何主机访问数据的权限:(www.111cn.net)
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'WITH GRANT OPTION
//使修改生效
mysql>FLUSH PRIVILEGES
如果依然不能远程访问的话,那就很可能防火墙的原因了,可以在防火墙中开启3306端口或者干脆关掉防火墙。
CentOS 6.3源码安装mysql 5.6方法
1:下载mysql
下载地址为:http://www.mysql.com/downloads/mysql/5.6.html#downloads
选择"Source Code"->"
Generic Linux (Architecture Independent), Compressed TAR Archive"
2:安装必要的软件包
yum -y install gcc gcc-c++ gcc-g77 autoconf automake zlib* fiex* libxml* ncurses-devel libmcrypt* libtool-ltdl-devel* make cmake
3:编译安装
[root@server100 ~]# groupadd mysql
[root@server100 ~]# useradd -r -g mysql mysql
[root@server100 ~]# tar -zxvf mysql-5.6.10.tar.gz
[root@server100 ~]# cd mysql-5.6.10
[root@server100 mysql-5.6.10]# cmake .
[root@server100 mysql-5.6.10]# make && make install
-------------默认安装目录为/usr/local/mysql
[root@server100 ~]# chown -R mysql.mysql /usr/local/mysql
[root@server100 ~]# cd /usr/local/mysql/scripts
[root@server100 ~]# ./mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
[root@server100 ~]# cd /usr/local/mysql/support-files
[root@server100 support-files]# cp mysql.server /etc/rc.d/init.d/mysql
[root@server100 support-files]# cp my-default.cnf /etc/my.cnf
[root@server100 ~]# chkconfig --add mysql
[root@server100 ~]# chkconfig mysql on
[root@server100 ~]# service mysql start
Starting MySQL SUCCESS!
[root@server100 support-files]# mysql
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.6.10 Source distribution
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.
mysql>
mysql> status;
--------------
mysql Ver 14.14 Distrib 5.6.10, for Linux (i686) using EditLine wrapper
Connection id: 1
Current database:
Current user: root@localhost
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 5.6.10 Source distribution
Protocol version: 10
Connection: Localhost via UNIX socket
Server characterset: utf8
Db characterset: utf8
Client characterset: utf8
Conn. characterset: utf8
UNIX socket: /tmp/mysql.sock
Uptime: 5 min 45 sec
Threads: 1 Questions: 5 Slow queries: 0 Opens: 70 Flush tables: 1 Open tables: 63 Queries per second avg: 0.014
--------------
mysql>
至此mysql安装完毕。