linuxÉÏ×°¶à¸ömysql
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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
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#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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iptables - [RI] chain rule num rule-specification[option]
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iptables -D chain rule num[option]
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iptables -[LFZ] [chain][option]
ÓÃiptables -LFZ Á´Ãû [Ñ¡Ïî]
iptables -[NX] chain
ÓÃ -NX ......
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2¡¢ÐÞ¸Ädrivers/char/KconfigÎļþ£¬Ìí¼ÓÒÔÏÂÄÚÈÝ£º
config My_Buttons
tristate "My_Buttons test"
depends on ARCH_S3C2440
default y if ARCH_S3C2 ......
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iconvº¯Êý×åµÄÍ·ÎļþÊÇiconv.h,ʹÓÃǰÐè°üº¬Ö®¡£
#include <iconv.h& ......
#include <stdio.h>
#include <sys/select.h>
#include <termios.h>
#include <unistd.h>
#include <ctype.h>
#define STDIN 0
int main()
{
struct timeval tv = {0,0};
struct termios term , termbak;
& ......
rm -rf mydir /* ɾ³ýmydirĿ¼ */
cd mydir /* ½øÈëmydirĿ¼ */
cd – /* »ØÉÏÒ»¼¶Ä¿Â¼ */
cd ~ /* »Ø¸ùĿ¼ */
mv tools tool /* °ÑtoolsĿ¼¸ÄÃûΪtool */
ln -s tool bac
/* ¸øtoolĿ¼´´½¨ÃûΪbacµÄ·ûºÅÁ´½Ó,×îÊìϤµÄÓ¦¸Ã¾ÍÊÇFTPÖÐwwwÁ´½Óµ½public_htmlĿ¼ÁË */
cp -a tool /home/leavex/www /* °ÑtoolÄ ......