1、首先我们来看下web服务器的排名情况
可以看到Nginx占有30.6%,Apache 52.0%，Nginx特点如下
1、配置简单，灵活，轻量。
2、高并发（静态小文件），静态几万的并发
3、占用资源少
4、功能种类比较多（web，cache，proxy），每一个功能都不是特别强
5、支持epoll模型，使得nginx可以支持高并发 Apache 选择 select模型
6、nginx可以搭配动态服务(FASTCGI接口)
6、利用nginx可以对ip限速，可以限制连接数
并发能力
nginx 1-3万 php 300-800 db 300-800.日pv2000万以下，并发1万以下都可以用nginx做反向代理
2、nginx的安装（centos6.7）
[root@centos02 tools]# yum install pcre pcre-devel openssl-devel -y
[root@centos02 tools]# wget http://nginx.org/download/nginx-1.6.3.tar.gz
[root@centos02 tools]# tar xf nginx-1.6.3.tar.gz
[root@centos02 tools]# cd nginx-1.6.3
[root@centos02 nginx-1.6.3]# useradd -s /sbin/nologin -M nginx
[root@centos02 nginx-1.6.3]# ./configure --prefix=/application/nginx-1.6.3 --user=nginx --group=nginx --with-http_stub_status_module --with-http_ssl_module
[root@centos02 nginx-1.6.3]# make && make install
[root@centos02 nginx-1.6.3]# ln -s /application/nginx-1.6.3/ /application/nginx
[root@centos02 nginx-1.6.3]# /application/nginx/sbin/nginx -t 检查语法
[root@centos02 nginx-1.6.3]# /application/nginx/sbin/nginx 启动nginx
简单截图下安装过程
访问下nginx服务
一份简单的nginx配置
[root@centos02 conf]# cat nginx.conf
worker_processes 2;
events {
worker_connections 1024;
}
http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
server {
listen 80;
server_name www.martin.com martin.com;
location / {
root html/www;
index index.php index.html index.htm;
}
location ~ .*\.(php|php5)?$ {
root html/www;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi.conf;
}
access_log logs/access_www.log main;
}
server {
listen 80;
server_name bbs.martin.com;
location / {
root html/bbs;
index index.php index.html index.htm;
}
location ~ .*\.(php|php5)?$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
include fastcgi.conf;
}
access_log logs/access_bbs.log main;
}
###status
server{
listen 80;
server_name status.martin.org;
location / {
stub_status on;
access_log off;
}
}
}
3、数据库MySQL的安装
[root@centos02 tools]# wget http://dev.mysql.com/get/Downloads/MySQL-5.5/mysql-5.5.49-linux2.6-x86_64.tar.gz
这是个二进制包，无需编译
[root@centos02 tools]# tar xf mysql-5.5.49-linux2.6-x86_64.tar.gz
[root@centos02 tools]# useradd -s /sbin/nologin -M mysql
[root@centos02 tools]# mv mysql-5.5.49-linux2.6-x86_64 /application/mysql-5.5.49
[root@centos02 tools]# ln -s /application/mysql-5.5.49/ /application/mysql
[root@centos02 tools]# /application/mysql/scripts/mysql_install_db --basedir=/application/mysql --datadir=/application/mysql/data/ --user=mysql
[root@centos02 tools]# sed -i 's#/usr/local/mysql#/application/mysql#g' /application/mysql/support-files/mysql.server
[root@centos02 tools]# cp /application/mysql/support-files/mysql.server /etc/init.d/mysqld
[root@centos02 tools]# chmod +x /etc/init.d/mysqld
[root@centos02 mysql]# chown -R mysql.mysql /application/mysql/
[root@centos02 mysql]# cp support-files/my-small.cnf /etc/my.cnf
过程中的相关截图
4、php的安装
php的安装（5.3.27），需要先安装nginx和mysql
[root@centos02 libiconv-1.14]# wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo
[root@centos02 tools]# yum install zlib-devel libxml2-devel libjpeg-devel libiconv-devel -y
[root@centos02 tools]# yum install freetype-devel libpng-devel gd-devel curl-devel libxslt-devel -y
[root@centos02 libiconv-1.14]# yum -y install libmcrypt-devel mhash mhash-devel mcrypt libxslt-devel
[root@centos02 tools]# wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz
[root@centos02 tools]# tar xf libiconv-1.14.tar.gz
[root@centos02 tools]# cd libiconv-1.14
[root@centos02 libiconv-1.14]# ./configure --prefix=/usr/local/libiconv
[root@centos02 libiconv-1.14]# make && make install
[root@centos02 tools]# tar xf php-5.3.27.tar.gz
[root@centos02 tools]# cd php-5.3.27
[root@centos02 php-5.3.27]# ./configure \
> --prefix=/application/php5.3.27 \
> --with-mysql=/application/mysql \
> --with-iconv-dir=/usr/local/libiconv \
> --with-freetype-dir \
> --with-jpeg-dir \
> --with-png-dir \
> --with-zlib \
> --with-libxml-dir=/usr \
> --enable-xml \
> --disable-rpath \
> --enable-safe-mode \
> --enable-bcmath \
> --enable-shmop \
> --enable-sysvsem \
> --enable-inline-optimization \
> --with-curl \
> --with-curlwrappers \
> --enable-mbregex \
> --enable-fpm \
> --enable-mbstring \
> --with-mcrypt \
> --with-gd \
> --enable-gd-native-ttf \
> --with-openssl \
> --with-mhash \
> --enable-pcntl \
> --enable-sockets \
> --with-xmlrpc \
> --enable-zip \
> --enable-soap \
> --enable-short-tags \
> --enable-zend-multibyte \
> --enable-static \
> --with-xsl \
> --with-fpm-user=nginx \
> --with-fpm-group=nginx \
> --enable-ftp
[root@centos02 php-5.3.27]# make
报错如下
解决方法：
[root@centos02 php-5.3.27]# ln -s /application/mysql/lib/libmysqlclient.so.18 /usr/lib64/
[root@centos02 php-5.3.27]# touch ext/phar/phar.phar
[root@centos02 php-5.3.27]# make && make install
[root@centos02 php-5.3.27]# ln -s /application/php5.3.27/ /application/php
[root@centos02 php-5.3.27]# cp php.ini-production /application/php/lib/php.ini
[root@centos02 php-5.3.27]# cd /application/php/etc/
[root@centos02 etc]# cp php-fpm.conf.default php-fpm.conf
[root@centos02 etc]# cat php-fpm.conf
[global]
[www]
user = nginx
group = nginx
listen = 127.0.0.1:9000
pm = dynamic
pm.max_children = 5
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 3
[root@centos02 etc]# /application/php/sbin/php-fpm
[root@centos02 etc]# netstat -lantup|grep php-fpm
/application/nginx/html/www
[root@centos02 www]# cat index.php
<?php
phpinfo()
?>
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