centos6.8服务器配置之MYSQL配置

1、rpm安装方式顺序：
下载：

wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-community-server-5.7.19-1.el6.x86_64.rpm

安装顺序：

Installing : mysql-community-common-5.7.19-1.el6.x86_64
Installing : mysql-community-libs-5.7.19-1.el6.x86_64
Installing : mysql-community-libs-compat-5.7.19-1.el6.x86_64
Installing : mysql-community-client-5.7.19-1.el6.x86_64

2、yum安装方式

下载：

wget https://dev.mysql.com/get/mysql57-community-release-el6-11.noarch.rpm

安装：

rpm -ivh mysql57-community-release-el6-11.noarch.rpm
yum -y install mysql-community-server

3、卸载mysql5.7.19

rpm -qa|grep -i mysql
yum remove mysql-community-libs-5.7.19-1.el6.x86_64 mysql-community-client-5.7.19-1.el6.x86_64 mysql57-community-release-el6-11.noarch mysql-community-common-5.7.19-1.el6.x86_64 mysql-community-libs-compat-5.7.19-1.el6.x86_64 mysql-community-server-5.7.19-1.el6.x86_64
whereis mysql //查看安装目录，分别删除

4、初始化mysql

#查看是否开机启动
chkconfig --list | grep mysqld
#设为开机启动
chkconfig mysqld on
#启动mysql进行初始化
service mysqld start
#查看密码
grep "password" /var/log/mysqld.log
#进入mysql
mysql -uroot -p密码
#修改密码
set password for ‘root‘@‘localhost‘ = password(‘新密码‘);

5、修改mysql字符集为UTF-8：

vim /etc/my.cnf;
在[mysqld]部分添加：character-set-server=utf8;
在文件末尾新增[client]段，并在[client]段添加：default-character-set=utf8

6、重启mysqld服务：

service mysqld restart