这篇文章主要介绍“CentOS怎么使用yum来安装LAMP”，在日常操作中，相信很多人在CentOS怎么使用yum来安装LAMP问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”CentOS怎么使用yum来安装LAMP”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

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1. 换源，sohu的相当好用。
1.1备份centos-base.repo
cd /etc/yum.repos.d/
cp centos-base.repo centos-base.repo.bak
1.2替换源
用vi打开centos-base.repo，并将内容清空，然后将下面的内容复制进去，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安装apache,MySQL,php.
2.1安装apache
yum install httpd httpd-devel
安装完成后，用/etc/init.d/httpd start 启动apache
设为开机启动:chkconfig httpd on
2.2 安装mysql
2.2.1 yum install mysql mysql-server mysql-devel
同样，完成后，用/etc/init.d/mysqld start 启动mysql
2.2.2 设置mysql密码
mysql>; use mysql;
mysql>; update user set password=password('newpassword') where user='root';
mysql>; flush privileges;
2.2.3 允许远程登录
mysql -u root -p
enter password:
mysql>grant all privileges on *.* to '用户名'@'%' identified by '密码' with grant option;
完成后就能用mysql-front远程管理mysql了。
2.2.4 设为开机启动
chkconfig mysqld on
3. 安装php
yum install php php-mysql php-common php-gd php-mbstring php-mcrypt php-devel php-xml
/etc/init.d/httpd start
4. 测试一下
4.1在/var/www/html/新建个test.php文件，将以下内容写入，然后保存。
phpinfo();
?>
4.2 防火墙配置
a.添加.允许访问端口{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.关闭防火墙{不推荐}.
service iptables stop
c.重置加载防火墙
service iptables restart
4.3然后在客户端浏览器里打开http://serverip/test.php，若能成功显示，则表示安装成功。
至此，安装完毕。感慨，yum真是太好用了。                                            

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