yum方式安裝mysql(直接下載安裝包安裝太麻煩)

以下操作基本都是在 ~ 中輸入命令
在這裏插入圖片描述

一、檢查系統是否安裝其他版本的MYSQL數據

#yum list installed | grep mysql
#yum -y remove mysql-libs.x86_64

二、安裝及配置

# wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
# rpm -ivh mysql-community-release-el6-5.noarch.rpm
# yum repolist all | grep mysql

安裝MYSQL數據庫

# yum install mysql-community-server -y

設置爲開機啓動(2、3、4都是on代表開機自動啓動)

# chkconfig --list | grep mysqld
# chkconfig mysqld on

三、設置遠程root

啓動mysql

# service mysqld start

重啓:
service mysqld restart

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設置root密碼

# mysql_secure_installation

登陸root賬號

# mysql -uroot -p 

建立遠程root用戶

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '你設置的密碼' WITH GRANT OPTION;
mysql> flush privileges;

四、設置utf-8編碼

查看mysql原本編碼:

mysql> show variables like 'character%';

設置編碼

# vi /etc/my.cnf

如下(把下面這些補上不重複就行):

[mysqld]
character-set-server=utf8 
collation-server=utf8_general_ci 
performance_schema_max_table_instances=400 
table_definition_cache=400 
table_open_cache=256
# 修改
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

[mysql]
default-character-set = utf8

[mysql.server]
default-character-set = utf8


[mysqld_safe]
default-character-set = utf8


[client]
default-character-set = utf8

重啓mysql

# service mysqld restart

再次查看編碼:

# mysql -uroot -p
mysql> show variables like 'character%';
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
rows in set (0.00 sec)
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