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1. ÔÚ/etc/my.cnfÖмÓÈëÒ»ÏÂÄÚÈÝ [mysqld_dev]
socket=/tmp/mysql.sock
port=3307
pid-file=/var/run/mysqld/mysqld_dev.pid
datadir=/var/lib/mysql_dev
log=/var/log/mysqld_dev.log
log-error=/var/log/mysqld_dev.err.log
user=mysql 2. ¸ù¾ÝÒÔÉÏÄÚÈÝ´´½¨Ä¿Â¼ºÍÎļþ mkdir /var/lib/mysqld_dev chown mysql:mysql /var/lib/mysqld_dev ... 3. ±àд/etc/rc.d/init.d/mysqld_dev, »òÕß´Ó/etc/rc.d/init.d/mysqld copy Ò»·Ý£¬È»ºóÐÞ¸ÄÆäÖлñÈ¡²ÎÊýµÄ´úÂë¡£ get_mysql_option mysqld_dev datadir "/var/lib/mysql"
datadir="$result"
get_mysql_option mysqld_dev socket "$datadir/mysql.sock"
socketfile="$result"
get_mysql_option mysqld_dev log-error "/var/log/mysqld.log"
errlogfile="$result"
get_mysql_option mysqld_dev pid-file "/var/run/mysqld/mysqld.pid"
mypidfile="$result"   4. Æô¶¯server servie mysqld_dev start ·¢ÏÖ´íÎó mysqld_safe [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist ÐèÒªÓÃmysql_install_dbÀ´´´½¨ÏµÍ³±í¡£ mysql_install_db --user=mysql --datadir=/var/lib/mysql_dev/ ÔÙ´ÎÖØÆô£¬³É¹¦   5. ÓÃmysql -u root -S /tmp/mysql.sock ¾Í¿ÉÒÔÁ¬½ÓÉÏÕâ¸öinstanceÁË¡£ 6. Èç¹û²»Ïëд-S  /tmp/mysql_dev.sock£¬ ¿ÉÒÔÔÚmy.cnf µÄ[client]ÖмÓÈë´úÂëÉèΪĬÈÏsock [client]
socket= /tmp/mysql_dev.sock
       
 
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