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ÈçºÎÔÚLinuxϰ²×°mysqlµÄ¶þ½øÖÆÔ´´úÂë°ü--¸ß¼¶Óû§
¼¸ÌìÑо¿Á˺þã¬ÖÕÓÚ±»ÎÒÖªµÀÁËÈçºÎÔÚLinuxϰ²×°mysqlµÄ¶þ½øÖÆÔ´´úÂë°ü£¬×îÖÕ½â¾öÁËERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)µÄȨÏÞÎÊÌâ£¬ÕæµÄÊǸп®Íò·Ö°¡£¬Ö»Ïë°ÑËûд³öÀ´£¬ÈÃ×Ô¼ºÒÔºó²»ÒªÍü¼ÇÁË£¬ºÃÁË£¬·Ï»°²»¶à˵ÁË£¬¿´¿´Îҵݲװ²½Öè°É£¡
1.ÏÂÔØmysql-5.0.51a-linux-i686-glibc23.tar.gz£¬ÏÂÔØµØÖ·Îªhttp://download.unix-center.net/ ... i686-glibc23.tar.gz
2.°ÑÏÂÔØµÄÎļþ·ÅÔÚÄãµÄÖ÷Ŀ¼£¬ÔÚÖÕ¶ËÊäÈëls,ÈçÏÂ:
[root@localhost mysql]# ls
Desktop  Documents  Download  Music  mysql-5.0.51a-linux-i686-glibc23.tar.gz  Pictures  Public  Templates  Videos
3.È»ºóÓÃtar -zxvf mysql-5.0.51a-linux-i686-glibc23.tar.gzÃüÁî½âѹµ½µ±Ç°Ä¿Â¼£¬ÈçÏ£º
[root@localhost mysql]# tar -zxvf mysql-5.0.51a-linux-i686-glibc23.tar.gz
[root@localhost mysql]# ls
Desktop    Download  mysql-5.0.51a-linux-i686-glibc23         Pictures  Templates
Documents  Music     mysql-5.0.51a-linux-i686-glibc23.tar.gz  Public    Videos
4.ÒòΪÓõÄÊÇÔ´´úÂ룬ËùÒÔÒª°ÑÎļþcopyµ½°²×°Ä¿Â¼/usr/local/Ï£¬²ÅÄÜÔËÐÐ!
[root@localhost mysql]# cp –rf mysql-5.0.51a-linux-i686-glibc23 /usr/local/
5.²é¿´ÏµÍ³ÓÐûÓа²×°¹ýmysql,²éÕÒrpm,ÈçÏÂ:
[root@localhost mysql]# rpm –qa | grep mysql
ÓеĻ°Ò»¸öÒ»¸öɾ³ýµô£¬ÓÃrpm -eÃüÁî,È»ºó²éÕÒһϲÐÁôµÄÎļþ:
[root@localhost mysql]# cd /
[root@localhost /]# find / -name mysql
Èç¹û²éÕÒµ½rm -rf filenameɾ³ý.
[root@localhost /]# find / -name my.cnf
Èç¹û²éÕÒµ½É¾³ý£¬Ò»°ãmy.cnfÊÇÔÚ/etc/my.cnfÕâÀï.
6.Á´½Óµ½mysql,ÈçÏ£º
[root@localhost /]# cd /home/mysql
[root@localhost mysql]# ln -s mysql-5.0.51a-linux-i686-glibc23 /usr/local/mysql
7.³õʼ»¯mysql±í¸ñ£¬°²×° mysql ĬÈÏÊý¾Ý¿â£¬ÈçÏ£º
[root@localhost mysql]# cd /usr/local/mysql
[root@localhost mysql]# scripts/mysql_install_db --user=mysql
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Ubuntu 9.04 ÏÂMySQLÖÐÎÄÂÒÂëµÄ½â¾ö

        Ubuntu 9.04 ÏÂÓÃÔ´°²×°ÁËMySQL¡£Ä¬ÈÏÇé¿öÏ£¬ÓÃmysql shellµÇ¼´´½¨Êý¾Ý¿â´´½¨±í²åÈëÖÐÎÄÊý¾Ýºó£¬ÓÃselect²é³öÀ´ÊÇÖÐÎÄ£¬µ«ÓÃJDBCÁ¬½Ó¾Í³öÏÖÂÒÂë¡£ÍøÉÏËÑË÷µ½½â¾ö·½·¨£¬ÈçÏ£¨Ïȱ¸·ÝÊý¾Ý£©£º
ÐÞ¸Ä/etc/mysql/my.cnf
sudo gedit /etc/mysql/my.cnf
ÔÚmy.cnfÎļþÖеÄ[client] ......

mysqlʹÓÃrandËæ»ú²éѯ¼Ç¼ЧÂʲâÊÔ

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SELECT * from `table` ORDER BY RAND() LIMIT 5
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µ«ÊÇÕæÕý²âÊÔһϲŷ¢ÏÖÕâÑùЧÂʷdz£µÍ¡£Ò»¸ö15ÍòÓàÌõµÄ¿â£¬²éѯ5ÌõÊý¾Ý£¬¾ÓȻҪ8ÃëÒÔÉÏ
²é¿´¹Ù·½ÊֲᣬҲ˵rand()·ÅÔÚORDER BY ×Ó¾äÖлᱻִÐжà´Î£¬×ÔȻЧÂʼ°ºÜµÍ¡£
You cannot use a column with RAND() values i ......

ͨ¹ýrpm°ü°²×°¡¢ÅäÖü°Ð¶ÔØmysqlµÄÏêϸ¹ý³Ì


¡¡¡¡ÒÔMySQL-server-4.0.14-0.i386.rpmΪÀý£¬·ÅÔÚ/dataĿ¼Ï 
¡¡¡¡cd /data 
¡¡¡¡rpm -ivh MySQL-server-4.0.14-0.i386.rpm 
¡¡¡¡°²×°Íê³ÉºóÔÚ/usr/share/mysqlĿ¼ÖлáÓÐÒ»¸ömysqlµÄÆô¶¯½Å±¾mysql.server¼°Ê¾ÀýÅäÖÃÎļþµÈ(Èçmy-huge.cnf¡¢my-large.cnf¡¢my-medium.cnf) 
¡¡¡¡¿½±´Ò»¸öʾÀýÅäÖÃÎ ......

mysql maatkit¹¤¾ß°²×°ºÍʹÓÃ(Ò»)

½ñÌ죬ҪÓÃexplain²é¿´mysqlµÄÖ´Ðй滮£¬µ«ÊǺÍPostgreSQL²»Í¬µÄÊÇ£¬Ö±½ÓÔÚmysqlÀïÃæÖ´ÐеĽá¹û¿É¶ÁÐÔ²»ÊǺܺã¬ÉÏÍøËÑÁËһȦ£¬·¢ÏÖÁËÒ»¸ö¹¤¾ßmaatkit£¬¿ÉÒÔ½²explainµÄ½á¹ûת»¯ÎªÊ÷×´½á¹¹²é¿´£¬ºÇºÇ£¬·½±ãÁ˺ܶà
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1. sudo yum install mysql
2. sudo yum install mysql-server
3. wget http://maatkit.googl ......

Ubuntu 8.04 vsftpd mysql pamµÄftp·þÎñÆ÷¶ËÎÞ´íÅäÖÃ

ÅäÖû·¾³:UUbuntu 8.04
1.°²×°vsftpd
sudo apt-get install vsftpd
2.´´½¨guestÓû§
vsftpd°²×°µÄʱºò»á×Ô¶¯°²×ªÒ»¸öftpÓû§£¬ÔÚpasswdÖÐɾ³ý
sudo useradd virtual
ÉèÖÃvirtualµÄÃÜÂëΪwebftp
sudo passwd virtual
±à¼­virtualÓû§µÄÖ÷Ŀ¼²¢ÉèÖÃshell
sudo vim /etc/passwd
ÎÒÉèÖõÄÊÇvirtual:x:1001: ......
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