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1¡¢homeĿ¼Ï½¨Á¢dataĿ¼
       cd /home
       mkdir data
2¡¢°ÑMySQL·þÎñ½ø³ÌÍ£µô£º
       mysqladmin -u root -p shutdown
3¡¢°Ñ/var/lib/mysqlÕû¸öÄ¿Â¼ÒÆµ½/home/data
       mv /var/lib/mysql /home/data/
       ÕâÑù¾Í°ÑMySQLµÄÊý¾ÝÎļþÒÆ¶¯µ½ÁË/home/data/mysqlÏÂ
4¡¢ÕÒµ½my.cnfÅäÖÃÎļþ
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       [root@test1 mysql]# cp /usr/share/mysql/my-medium.cnf  /etc/my.cnf
5¡¢±à¼­MySQLµÄÅäÖÃÎļþ/etc/my.cnf
       Ϊ±£Ö¤MySQLÄܹ»Õý³£¹¤×÷£¬ÐèÒªÖ¸Ã÷mysql.sockÎļþµÄ²úÉúλÖᣠÐÞ¸Äsocket=/var/lib/mysql/mysql.sockÒ»ÐÐÖеȺÅÓұߵÄֵΪ£º/home/mysql/mysql.sock ¡£²Ù×÷ÈçÏ£º
vi my.cnf (ÓÃvi¹¤¾ß±à¼­my.cnfÎļþ£¬ÕÒµ½ÏÂÁÐÊý¾ÝÐÞ¸ÄÖ®)
# The MySQL server
[mysqld]
port = 3306
#socket = /var/lib/mysql/mysql.sock£¨Ô­ÄÚÈÝ£¬ÎªÁ˸üÎÈÍ×ÓÓ#”×¢ÊÍ´ËÐУ©
socket = /home/data/mysql/mysql.sock £¨¼ÓÉÏ´ËÐУ©
6¡¢ÐÞ¸ÄMySQLÆô¶¯½Å±¾/etc/rc.d/init.d/mysql
   ×îºó£¬ÐèÒªÐÞ¸ÄMySQLÆô¶¯½Å±¾/etc/rc.d/init.d/mysql£¬°ÑÆäÖÐdatadir=/var/lib/mysqlÒ»ÐÐÖУ¬µÈºÅÓұߵÄ·¾¶¸Ä³ÉÄãÏÖÔÚµÄʵ¼Ê´æ·Å·¾¶£º/home/data/mysql¡£
[root@test1 etc]# vi /etc/rc.d/init.d/mysql
#datadir=/var/lib/mysql £¨×¢ÊÍ´ËÐУ©
datadir=/home/data/mysql £¨¼ÓÉÏ´ËÐУ©
7¡¢ÖØÐÂÆô¶¯MySQL·þÎñ
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X:\proper\mysql\bin>mysql -h localhost -u root -p
Enter password: **********
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 12 to server version: 5.0.22-community-nt-log
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ÔËÐгÌÐò¿ÉÄܻᱨ´í£ºCan’t connect to local MySQL Server through socket ‘/tmp/mysql.sock’
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