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useful linux commands

²âÊÔcp¿¨µÄ¶ÁдËÙ¶È ¶Á # date && cat  /root/appb/disk_release* > /dev/null  && date
д #date && cp  /root/appb/disk_release* /root/appb/cptest/  && date »òÕßÓÃtime time cp  /root/appb/disk_release* /root/appb/cptest/   Á½¸ö¶¼Öض¨Ïò >/dev/null 2>&1
ln -s target linkname
ln -s /boot  boot1   ln -s target linkname
ln -s /boot  boot1


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Linux ƽ̨Ï PHP °²×° Æô¶¯

php°²×°
# tar xzvf php-5.2.5.tar.gz
# cd php-5.2.5
./configure --prefix=/home/redadmin/php --with-apxs2=/home/redadmin/apache/bin/apxs --with-mysql=/home/redadmin/mysql --enable-mbstring=all --enable-track-vars
# make && make install
# cp php.ini-dist /home/redadmin/php/lib/php.ini
# c ......

Installing PHP APC on GNU/Linux Centos 5

Ô­Ìù£ºhttp://2bits.com/articles/installing-php-apc-gnulinux-centos-5.html
Published Mon, 2008/03/24 - 13:49, Updated Wed, 2009/07/15 - 23:40
Complex PHP applications, such as Drupal, can gain a lot of performance benefits from running a PHP op-code cache/accelerators
.
APC,
Alternate ......

Linux °²×° Mysql

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¡¡¡¡ÏëʹÓÃLinuxÒѾ­ºÜ³¤Ê±¼äÁË£¬ÓÉÓÚûÓÐÓ²ÐÔÈÎÎñһֱҲûÓÐϵͳѧϰ£¬½üÈÕÓÉÓÚ¹¤×÷ÐèÒª±ØÐëʹÓÃLinuxϵÄMySQL¡£±¾ÒÔΪÓÐ
WindowsÏÂʹÓÃSQL
ServerµÄ¾­Ñ飬¾õµÃÔÚLinuxϰ²×°MySqlÓ¦¸ÃÊÇÒ×Èç·´ÕÆµÄÊ£¬¿ÉÔÚÕæÕý°²×°ºÍʹÓÃMySQLʱ×ßÁ˺ܶàÍä·£¬Óö¼ûºÜ¶àÎÊÌ⣬±Ï¾¹Linux
ºÍWindows±¾Éí¾ÍÓкܴóÇø±ð¡£ÎªÁËÈà ......

linuxÏÂmysqlµÄʹÓÃ


Æô¶¯mysql:  /etc/rc.d/init.d/mysql start
ÐÞ¸ÄÃÜÂë: ¸ñʽ£ºmysqladmin -uÓû§Ãû -p¾ÉÃÜÂë password ÐÂÃÜÂë
ʹÓÃÃÜÂëµÇ¼:  mysql -u root -p
ÏÔʾÊý¾Ý¿â:  show databases;
Ñ¡ÔñÊý¾Ý¿â:  use Êý¾Ý¿âÃû;
ÏÔʾ±í:  show tables;
ÏÔʾ±í½á¹¹:  descibe ±íÃû;
Ô¶³ÌµÇ¼mysqlÐèÒª¿ªÆôÈ ......
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