在Centos中用命令?yum?install?mysql安裝數據庫，但裝完后運行mysqld啟動mysql的時候提示找不到，通過 find / | grep?mysqld?也沒找到mysqld的目錄，后來在Google上搜索下，才知道用yum安裝時候mysql也有三個參數的。

yum install?mysql，只是安裝了mysql的client，如果你只安裝了這一步，就會發現找不到mysqld。

yum install mysql-server，才安裝了mysql的服務后臺程序；當然還有一個MySQL-devel。

裝上后就有mysqld了。

具體步驟如下：

yum install mysql yum install mysql-server yum install mysql-devel chgrp -R mysql /var/lib/mysql chmod -R 770 /var/lib/mysql service mysqld start

　　

To start mysqld at boot time you have to copy support-files/mysql.server to the right place for your system PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER ! To do so, start the server, then issue the following commands: /usr/bin/mysqladmin -u root password 'new-password' /usr/bin/mysqladmin -u root -h LAMP.ORG password 'new-password' Alternatively you can run: /usr/bin/mysql_secure_installation which will also give you the option of removing the test databases and anonymous user created by default. This is strongly recommended for production servers. See the manual for more instructions. You can start the MySQL daemon with: cd /usr ; /usr/bin/mysqld_safe & You can test the MySQL daemon with mysql-test-run.pl cd mysql-test ; perl mysql-test-run.pl Please report any problems with the /usr/bin/mysqlbug script! The latest information about MySQL is available on the web at http://www.mysql.com Support MySQL by buying support/licenses at http://shop.mysql.comz

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轉載于:https://www.cnblogs.com/caizhendong/archive/2013/03/11/5456024.html

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