linux下使用yum安裝mysql詳解,linuxyummysql詳解

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linux下使用yum安裝mysql詳解,linuxyummysql詳解
本人部落格上一篇(http://blog.csdn.net/tjcyjd/article/details/41646889)已講了yum源的配置,有了yum那麼安裝mysql就會很簡單,具體如下:
1、安裝用戶端和伺服器端確認mysql是否已安裝:

yum list installed mysql*rpm -qa | grep mysql*
查看是否有安裝包:
yum list mysql*
安裝mysql用戶端:
yum install mysql
安裝mysql 伺服器端:
yum install mysql-serveryum install mysql-devel

2、啟動、停止設定資料庫字元集設定
mysql設定檔/etc/my.cnf中加入default-character-set=utf8
啟動mysql服務:
service mysqld start
或者/etc/init.d/mysqld start
設定開機啟動:
chkconfig -add mysqld

查看開機啟動設定是否成功

chkconfig --list | grep mysql*

mysqld 0:關閉 1:關閉 2:啟用 3:啟用 4:啟用 5:啟用 6:關閉
停止mysql服務:
service mysqld stop

3、登入及忘記修改密碼建立root管理員:
mysqladmin -u root password 666666
登入:
mysql -u root -p
如果忘記密碼,則執行以下代碼
service mysqld stopmysqld_safe --user=root --skip-grant-tablesmysql -u rootuse mysqlupdate user set password=password("666666") where user="root";flush privileges;

4、允許遠端存取設定開放防火牆的連接埠號碼
mysql增加許可權:mysql庫中的user表新增一條記錄host為“%”,user為“root”。
use mysql;UPDATE user SET `Host` = '%' WHERE `User` = 'root' LIMIT 1;flush privileges;
%表示允許所有的ip訪問


5、mysql的幾個重要目錄(a)資料庫目錄
/var/lib/mysql/
(b)設定檔
/usr/share /mysql(mysql.server命令及設定檔)
(c)相關命令
/usr/bin(mysqladmin mysqldump等命令)
(d)啟動指令碼
/etc/rc.d/init.d/(啟動指令檔mysql的目錄)

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