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1ÏȰ²×°ºÃµÚÒ»¸ömysql :
#tar zxvf mysql*.tar.gz
#cd mysql*
#groupadd mysql
#useradd -g mysql mysql
#./configure --prefix=/usr/local/mysql #make
#make install
#scripts/mysql_install_db
#chown -R root /usr/local/mysql
#chown -R mysql /usr/local/mysql/var
#chgrp -R mysql /usr/local/mysql
#cp support-files/my-medium.cnf /etc/my.cnf
#/usr/local/mysql/bin/safe_mysqld --user=mysql &
#ln -s /usr/local/mysql/bin/mysql /usr/bin/mysql
#/usr/local/mysql/bin/mysqladmin -u root password uarefool
#echo "/usr/local/mysql/bin/safe_mysqld& --user=mysql" >> /etc/rc.d/rc.local
2°²×°ÁíÍâµÄ£¬
#mysql_install_db --datadir=Êý¾Ý¿âÎļþ¼Ð£¨Èç/home/var£©
#chown -R mysql:mysql Êý¾Ý¿âÎļþ¼Ð£¨Èç/home/var£©
¿½±´Ò»¸ömy.cnf
#cp /etc/my.cnf /etc/my.cnf2
ÅäÖÃmy.cnf2
¶Ë¿Ú¸Ä³ÉÆäËûµÄ±ÈÈç3307
sock¸Ä³É /tmp/mysql.sock2
Êý¾Ý¿âÎļþ¼ÐλÖÃÔÚ
[mysqld]½ÚµãÏÂÃæÅäÖÃ
Ôö¼Ó datadir= Êý¾Ý¿âÎļþ¼Ð£¨Èç/home/var£©
Ôö¼Ó½Úµã[mysqld_safe]
pid-file=/home/var/mysqld.pid
log-error=         Ö®ÀàµÄ
bin#mysqld_safe --defaults-file=/etc/my.cnf2 --pid-file=/home/var/mysqld.pid &(Èç¹ûÅäÖÃÎļþÀïÃæÅäÖÃpid-fileÁË £¬ÕâÀïµÄpid-fileÕâ¸ö²ÎÊý¿ÉÒÔÊ¡ÂÔ)
µÇ½ÐµÄÊý¾Ý¿â »ò¸ÄÃÜÂë ÒªÖ¸¶¨ sockÎļþλÖÃ
Èçmysql -S /tmp/mysql.sock2
mysqladmin -S /tmp/mysql.sock2 -uroot password root (ÉèÖÃÊý¾Ý¿âµÄÓû§ÃûÃÜÂë)


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#include <fcntl.h>
#include <string.h>
int main()
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dnw linux version

dnw in linux
Use xterm as a serial terminal. In Fedora 9
use "yum install screen" to install screen package.
Plug the USB-UART cable, see if there is a ttyUSB0 in /dev
Enter "screen /dev/ttyUSB0 115200,cs8,-ixon,-ixon,istrip" to connect to USB-UART.
Screen as Serial Terminal
Download the ......
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