Centos6.6用yum快速安装LA（N）MP
本文主要介绍在CentOS6.6下用yum快速搭建LAMP或LNMP环境基本流程：
1.安装apche或nginx
2.安装mysql
3.安装php
4.测试环境
流程一：安装apache或nginx
1）关闭SELINUX
修改配置文件，重启服务后永久生效。
sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
命令行设置立即生效。
setenforce 0
网易官方源
centos6.x
cd /etc/yum.repos.d/
mv CentOS-Base.repo CentOS-Base.repo.$(date +%F)
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
yum clean all
yum makecache 更多国内知名yum源可参考：http://blog.运维网.com/13707680/2104644
2）安装Apache：
yum -y install httpd
yum -y install httpd-manual mod_ssl mod_perl mod_auth_mysql
/etc/init.d/httpd start
netstat -tnlp|grep 80
安装nginx：
Centos6系统库中默认是没有nginx的rpm包的，所以我们需要先更新下rpm依赖库
1）使用yum安装nginx，安装nginx库
rpm -Uvh http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
2）使用下面命令安装nginx
yum -y install nginx
# nginx -v
nginx version: nginx/1.14.0
3）启动nginx
/etc/init.d/nginx start 或 service nginx start
4 ) 防火墙允许通过80端口
vim /etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
/etc/init.d/iptables restart
流程二：安装mysql
1）安装Mysql，先更新yum源。yum源下载地址，根据自己需要的版本选择相应的源
https://dev.mysql.com/downloads/repo/yum/
2）这里版本是6.x系列的，所以选择linux 6 下载
wget https://repo.mysql.com//mysql57-community-release-el6-11.noarch.rpm
3）安装mysql的yum源
rpm -Uvh mysql57-community-release-el6-11.noarch.rpm或 yum -y localinstall mysql57-community-release-el6-11.noarch.rpm
4）查看mysql源是否成功
# ls /etc/yum.repos.d/|grep mysql
mysql57-community-release-el6-11.noarch.rpm
mysql-community.repo
mysql-community-source.repo
5)安装mysql
yum -y install mysql-community-server
# mysql -V
mysqlVer 14.14 Distrib 5.7.22, for Linux (x86_64) usingEditLine wrapper
6）开启mysql，并更改默认密码
/etc/init.d/mysqld start
netstat -tnlp |grep 3306
chkconfig mysqld on
# grep 'temporary password' /var/log/mysqld.log
2018-05-10T22:59:11.434638Z 1 A temporary password is generated for root@localhost: OScMFRu&j75Q
mysql -uroot -p"OScMFRu&j75Q"
ALTER USER 'root'@'localhost' IDENTIFIED BY 'ywxi123';
mysql -uroot -p"ywxi123"
7）防火墙允许通过3306端口
-A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT
service iptables restart
流程三：安装php
1）更新yum源
rpm -Uvh http://ftp.iij.ad.jp/pub/linux/fedora/epel/6/x86_64/epel-release-6-8.noarch.rpm
rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
2）安装PHP
yum -y install --enablerepo=remi --enablerepo=remi-php56 php php-bcmath php-opcache php-devel php-mbstring php-mcrypt php-mysqlnd php-gd php-xml php-memcache php-redis php-fpm php-mysql php-common php-mssql
3）配置php.ini文件，关闭php信息头
sed 's#expose_php = On#expose_php = Off#g' /etc/php.ini -i
# php -v
PHP 5.6.36 (cli) (built: Apr 25 2018 10:11:47)
4）启动php，并开机自启
/etc/init.d/php-fpm start
chkconfig php-fpm on
流程四：环境测试
1）LNMP环境测试准备
编辑/etc/nginx/conf.d/default.conf，在所支持的主页面格式中添加php格式的主页，类似如下：
# cat default.conf
server {
listen 80;
server_namelocalhost;
#charset koi8-r;
#access_log/var/log/nginx/host.access.logmain;
location / {
root /usr/share/nginx/html;
index index.php index.html index.htm;
}
#error_page404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504/50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
root /usr/share/nginx/html;
fastcgi_pass 127.0.0.1:9000;
fastcgi_indexindex.php;
fastcgi_paramSCRIPT_FILENAME/usr/share/nginx/html/$fastcgi_script_name;
include fastcgi_params;
}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# denyall;
#}
}
# cat /usr/share/nginx/html/index.php
chown -R nginx.nginx /usr/share/nginx/html/
http://192.168.1.22/index.php 访问到如下页面证明LNMP环境搭建成功
http://s1.运维网.com/images/20180511/1525996967531024.png
2）LAMP环境测试准备
/etc/init.d/nginx stop
/etc/init.d/httpd start
# cat /var/www/html/index.php
chown -R apache.apache /var/www/html
http://192.168.1.22/index.php 访问到如下页面证明LAMP环境搭建成功
http://s1.运维网.com/images/20180511/1525997262327852.png
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