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GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
"*.*" ±íʾÊý¾Ý¿âÖÐËùÓеıí,Ò²¿ÉÒÔ»»³ÉÖ¸¶¨µÄ±íÈçtest.*
"myuser" ±íʾµÄÊÇ·ÃÎʵÄÓû§Ãû;
"%" ±íʾËùÓеÄÖ÷»ú¼´ÈκεÄÖ÷»ú¶¼¿ÉÒÔͨ¹ýÕâ¸öÓû§Ãû·ÃÎÊÎÒµÄÊý¾Ý¿â,Ò²¿ÉÒԸóÉÌØ¶¨µ ......

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1. ¸øroot¼ÓÃÜÂ룺/usr/bin/mysqladmin -u root password 123456
2. µ¼³ö£ºmysqldump -u root -p dbname > file.sql
3. µ¼È룺mysql -u root -p dbname < backup-file.sql
4. ÊÚȨ£ºgrant all on *.* to root@"%" identified by "ÃÜÂë";
5. ÊÕ»ØÈ¨ÏÞ£ºrevoke all privileges on *.* from root@"%";
6. µÇ¼£ºmys ......

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»ÆÉ«ÊÇÉ豸Îļþ£¬°üÀ¨block, char, fifo¡£ ......

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i386,i486,i586·Ö±ðÊÇÕë¶Ô80386,80486,80586±àÒëµÄ°ü£¬i686¾Í±È½Ï¹ã·ºÁË£¬´Óp2¿ªÊ¼x86´¦ÀíÆ÷¾Í½øÈëÁËp6¹¹¼ÜµÄʱ´ú£¬Ò»Ö±µ½ÏÖÔÚ¶¼ÊÇp6¼Ü¹¹¡£Ð¼ܹ¹µÄcpuÏòϼæÈÝΪ¾É¼Ü¹¹±àÒëµÄÈí¼þ°ü.
i386.rpmÓëi686.rpmÓÐÊ²Ã´Çø±ð?
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1.²é¿´Äں˰汾ÃüÁî
 1) cat /proc/version
 2) uname -a
 3) uname -r
2.²é¿´linuxµÄ°æ±¾
 1) lsb_release -a
 2) cat /etc/redhat-release
 3) cat /etc/issue
 4) rpm -q redhat-release (redhatϵͳ) ......
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