½â¾öMySQL²»ÔÊÐí´ÓÔ¶³Ì·ÃÎʵķ½·¨
1¡£ ¸Ä±í·¨¡£¿ÉÄÜÊÇÄãµÄÕʺŲ»ÔÊÐí´ÓÔ¶³ÌµÇ½£¬Ö»ÄÜÔÚlocalhost¡£Õâ¸öʱºòÖ»ÒªÔÚlocalhostµÄÄÇ̨µçÄÔ£¬µÇÈëmysqlºó£¬¸ü¸Ä "mysql" Êý¾Ý¿âÀïµÄ "user" ±íÀïµÄ "host" Ï´Ó"localhost"¸Ä³Æ"%"
mysql -u root -p
mysql>use mysql;
mysql>update user set host = '%' where user = 'root';
mysql>select host, user from user;
2. ÊÚȨ·¨¡£ÀýÈ磬ÄãÏëmyuserʹÓÃmypassword´ÓÈκÎÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷µÄ»°¡£
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WI
TH GRANT OPTION;
FLUSH PRIVILEGES;
Èç¹ûÄãÏëÔÊÐíÓû§myuser´ÓipΪ192.168.1.6µÄÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷£¬²¢Ê¹ÓÃmypassword×÷ΪÃÜÂë
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
Èç¹ûÄãÏëÔÊÐíÓû§myuser´ÓipΪ192.168.1.6µÄÖ÷»úÁ¬½Óµ½mysql·þÎñÆ÷µÄdkÊý¾Ý¿â£¬²¢Ê¹ÓÃmypassword×÷ΪÃÜÂë
GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY
'mypassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
×¢ÒâÊÚȨºó±ØÐëFLUSH PRIVILEGES;·ñÔòÎÞ·¨Á¢¼´ÉúЧ¡£
ÁíÍâÒ»ÖÖ·½·¨.
ÔÚ°²×°mysqlµÄ»úÆ÷ÉÏÔËÐУº
1¡¢d:\mysql\bin\>mysql -h localhost -u root
//ÕâÑùÓ¦¸Ã¿ÉÒÔ½øÈëMySQL·þÎñÆ÷
2¡¢mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION
//¸³ÓèÈκÎÖ÷»ú·ÃÎÊÊý¾ÝµÄȨÏÞ
Ïà¹ØÎĵµ£º
Ò»¡¢MySQL5.1°²×°
´ò¿ªÏÂÔصݲװÎļþ£¬³öÏÖÈçϽçÃ棺
mysql°²×°Ïòµ¼Æô¶¯£¬µã»÷“next”¼ÌÐø
Ñ¡Ôñ°²×°ÀàÐÍ£¬ÓГTypical£¨Ä¬ÈÏ£©”¡¢“Complete£¨ÍêÈ«£©”¡¢“Custom£¨Óû§×Ô¶ ......
¼¸¸ö³£ÓÃÓÃÀý£º
1.µ¼³öÕû¸öÊý¾Ý¿â
mysqldump -u Óû§Ãû -p Êý¾Ý¿âÃû > µ¼³öµÄÎļþÃû
mysqldump -u wcnc -p smgp_apps_wcnc > wcnc.sql
2.µ¼³öÒ»¸ö±í
mysqldump -u Óû§Ãû -p Êý¾Ý¿âÃû ±íÃû> µ¼³öµÄÎļþÃû
mysqldump -u wcnc -p smgp_apps_wcnc users> wcnc_users.sql
3.µ¼³öÒ»¸öÊý¾Ý¿â½á¹¹
mysqldump ......
[root@pku-fan MySQL]# cat limbs.sql
CREATE DATABASE cookbook;
USE cookbook;
DROP TABLE IF EXISTS limbs;
CREATE TABLE limbs
(
thing VARCHAR(20), # what the thing is
legs INT, ......
ÒòΪMySQLÔÙdebianÏÂĬÈÏÊDz»ÔÊÐíÔ¶³ÌÁ¬½ÓµÄ£¬ËùÒÔÐèҪעÊ͵ôÕâ¸öÏÞÖÆ¡£ÎÒµÄMySQLÊÇÓÃapt-get°²×°µÄ£¬ËùÒÔ·¾¶ÊÇĬÈϵģ¨Èç¹ûÊÇ×Ô¼º
ÊÖ¶¯°²×°£¬¿ÉÒÔ×Ô¼ºÑ°ÕÒÏÂÕýÈ·µÄ·¾¶£©£¬ÓÃÃüÁî vi /etc/mysql/my.cnf ´ò¿ªÎļþ£¬×¢Ê͵ô bind-address = 127.0.0.1 ±£´æ:wq »Ø³µ¡£
È»ºóÔٵǼµ½MySQL·þÎñÆ÷¶Ë£¬ÔÚmysql¿âÏÂÖ ......
PHP³ÌÐòÔ±Ó¦¸Ã¶¼ÖªµÀÁ¬½ÓMySQLÊý¾Ý¿â¿ÉÒÔʹÓÃmysql_pconnect£¨ÓÀ¾ÃÁ¬½Ó£©º¯Êý£¬Ê¹ÓÃÊý¾Ý¿âÓÀ¾ÃÁ¬½Ó¿ÉÒÔÌá¸ßЧÂÊ£¬µ«ÊÇʵ¼ÊÓ¦ÓÃÖÐÊý¾Ý¿âÓÀ¾ÃÁ¬½ÓÍùÍù»áµ¼Ö³öÏÖһЩÎÊÌ⣬ͨ³£µÄ±íÏÖ¾ÍÊÇÔÚ´ó·ÃÎÊÁ¿µÄÍøÕ¾ÉÏʱ³£·¢Éú¶Ï¶ÏÐøÐøµÄÎÞ·¨Á¬½ÓÊý¾Ý¿âµÄÇé¿ö£¬³öÏÖÀàËÆ£¢Too many connections in ...£¢µÄ´íÎóÌáʾÐÅÏ¢£¬ÖØÐÂÆô¶¯·þÎñÆ÷Ó ......