1. 換源，sohu的相當(dāng)好用。
1.1備份CentOS-Base.repo
cd /etc/yum.repos.d/
cp CentOS-Base.repo CentOS-Base.repo.bak
1.2替換源
用vi打開CentOS-Base.repo，并將內(nèi)容清空，然后將下面的內(nèi)容復(fù)制進(jìn)去，并保存。
# CentOS-Base.repo
#
# This file uses a new mirrorlist system developed by Lance Davis for CentOS.
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client. You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#
[base]
name=CentOS-$releasever - Base
baseurl=http://mirrors.sohu.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.sohu.com/centos/RPM-GPG-KEY-CentOS-5
#released updates
[updates]
name=CentOS-$releasever - Updates
baseurl=http://mirrors.sohu.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.sohu.com/centos/RPM-GPG-KEY-CentOS-5
#packages used/produced in the build but not released
[addons]
name=CentOS-$releasever - Addons
baseurl=http://mirrors.sohu.com/centos/$releasever/addons/$basearch/
gpgcheck=1
gpgkey=http://mirrors.sohu.com/centos/RPM-GPG-KEY-CentOS-5
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=http://mirrors.sohu.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.sohu.com/centos/RPM-GPG-KEY-CentOS-5
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
baseurl=http://mirrors.sohu.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.sohu.com/centos/RPM-GPG-KEY-CentOS-5
1.3更新一下。
yum -y update
2. 用yum安裝Apache,Mysql,PHP.
2.1安裝Apache
yum install httpd httpd-devel
安裝完成后，用/etc/init.d/httpd start 啟動apache
設(shè)為開機(jī)啟動:chkconfig httpd on
2.2 安裝mysql
2.2.1 yum install mysql mysql-server mysql-devel
同樣，完成后，用/etc/init.d/mysqld start 啟動mysql
2.2.2 設(shè)置mysql密碼
mysql>; USE mysql;
mysql>; UPDATE user SET Password=PASSWORD('newpassword') WHERE user='root';
mysql>; FLUSH PRIVILEGES;
2.2.3 允許遠(yuǎn)程登錄
mysql -u root -p
Enter Password: <your new password>
mysql&gt;GRANT ALL PRIVILEGES ON *.* TO '用戶名'@'%' IDENTIFIED BY '密碼' WITH GRANT OPTION;
完成后就能用mysql-front遠(yuǎn)程管理mysql了。
2.2.4 設(shè)為開機(jī)啟動
chkconfig mysqld on
3. 安裝php
yum install php php-mysql php-common php-gd php-mbstring php-mcrypt php-devel php-xml
/etc/init.d/httpd start
4. 測試一下
4.1在/var/www/html/新建個test.php文件，將以下內(nèi)容寫入，然后保存。
<?
phpinfo();
?>
4.2 防火墻配置
a.添加.允許訪問端口{21: ftp, 80: http}.
iptables -I RH-Firewall-1-INPUT -m state –state NEW -m tcp -p tcp –dport 21 -j ACCEPT
iptables -I RH-Firewall-1-INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT
b.關(guān)閉防火墻{不推薦}.
service iptables stop
c.重置加載防火墻
service iptables restart
4.3然后在客戶端瀏覽器里打開http://serverip/test.php，若能成功顯示，則表示安裝成功。
至此，安裝完畢。感慨，yum真是太好用了。

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