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Centos6.5 安装 MySQL5.6

时间:2016-09-02 00:51来源:blog.csdn.net 作者:TGEndure 举报 点击:

Centos6.5 安装 MySQL5.6 or MySQL5.7 or 卸载MySQL

1.安装 MySQL5.6

rpm -qa | grep mysql
mysql-utilities-1.3.6-1.el6.noarch
mysql-server-5.1.71-1.el6.x86_64
mysql-libs-5.1.71-1.el6.x86_64
mysql-5.1.71-1.el6.x86_64
mysql-connector-python-1.1.4-1.el6.noarch
mysql-devel-5.1.71-1.el6.x86_64
yum remove mysql*
yum install http://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm
yum install mysql mysql-devel mysql-server mysql-utilities

2.安装 MySQL5.7

1).检测系统是否自带安装MySQL

yum list installed | grep mysql
2).删除系统自带的MySQL及其依赖 命令:

yum -y remove mysql-libs.x86_64
3).给CentOS添加rpm源,并且选择较新的源 命令

wget dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm
yum localinstall mysql-community-release-el6-5.noarch.rpm
yum repolist all | grep mysql
yum-config-manager --disable mysql55-community
yum-config-manager --disable mysql56-community
yum-config-manager --enable mysql57-community-dmr
yum repolist enabled | grep mysql
4).安装MySql服务器 命令

yum install mysql-community-server
5).启动MySQL命令
service mysqld start
6).查看MySQL是否自启动,并且设置开启自启动 命令
chkconfig --list | grep mysqld
chkconfig mysqld on
7).MySQL安全设置 命令
mysql_secure_installation

mysql的默认配置文件一般在这几个文件里  [/etc/my.cnf /etc/mysql/my.cnf /usr/etc/my.cnf ~/.my.cnf ]

修改密码时一直报错:  ERROR 1819 (HY000): Your password does NOT satisfy the CURRENT policy requirements。  是因为MySQL5.6.6增加了密码强度验证插件validate_password,相关参数设置的较为严格,所以……  通过以下命令参数修改配置文件,然后重启服务即可

# plugin env
    plugin-load=validate_password.so
    validate-password=OFF  # ON/OFF/... 设置为关闭

使用免密码方式登录到mysql命令行窗口

8).
[root@iZ250x18mnzZ myweb]# mysqld_safe --skip-grant-tables &
[1] 26390
[root@iZ250x18mnzZ myweb]# 2016-03-09T13:52:36.487526Z mysqld_safe Logging to '/var/log/mysqld.log'.
2016-03-09T13:52:36.519635Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql

[root@iZ250x18mnzZ myweb]# 
[root@iZ250x18mnzZ myweb]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.11 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, 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> 

登录后修改密码

mysql> update mysql.user set authentication_string=PASSWORD('password') where user='root' and host='localhost';
Query OK, 1 row affected, 1 warning (0.05 sec)
Rows matched: 1  Changed: 1  Warnings: 1

mysql> flush privileges;
Query OK, 0 rows affected (0.03 sec)

3.Centos6.5 完全卸载MySQL

yum remove mysql*
yum list installed | grep mysql
yum -y remove mysql-libs.x86_64
yum remove  mysql mysql-server mysql-libs mysql-server
find / -name mysql 将找到的相关东西delete掉
rpm -qa|grep mysql(查询出来的东东yum remove掉)
rm -rf mysql
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