Analysis of nginx installation and configuration examples

nginx installation

System platform: centos release 6.6 (final) 64-bit.

1. Install compilation tools and library files

yum -y install make zlib zlib-devel gcc-c++ libtool openssl openssl-devel

2. First install pcre

pcre is used to enable ngnix to support the rewrite function.

1. Download the pcre installation package, download address:

[root@bogon src]# wget http://downloads.sourceforge.net/project/pcre/pcre/8.35/pcre-8.35.tar.gz

##2. Unzip the installation package:

[root@bogon src]# tar zxvf pcre-8.35.tar.gz

3. Enter the installation package directory

[root@bogon src]# cd pcre-8.35

4. Compile and install

[root@bogon pcre-8.35]# ./configure
[root@bogon pcre-8.35]# make && make install

5. Check the pcre version

[root@bogon pcre-8.35]# pcre-config --version

Install nginx

1. Download nginx, download address:

[root@bogon src]# wget http://nginx.org/download/nginx-1.6.2.tar.gz

2. Unzip and install Package

[root@bogon src]# tar zxvf nginx-1.6.2.tar.gz

3. Enter the installation package directory

[root@bogon src]# cd nginx-1.6.2

4. Compile and install

[root@bogon nginx-1.6.2]# ./configure --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre=/usr/local/src/pcre-8.35
[root@bogon nginx-1.6.2]# make
[root@bogon nginx-1.6.2]# make install

5. Check nginx version

[root@bogon nginx-1.6.2]# /usr/local/webserver/nginx/sbin/nginx -v

At this point, nginx installation is complete.

nginx configuration

Create the user www for nginx to run:

[root@bogon conf]# /usr/sbin/groupadd www 
[root@bogon conf]# /usr/sbin/useradd -g www www

Configure nginx.conf, and Replace /usr/local/webserver/nginx/conf/nginx.conf with the following content

Note that the following configurations should be added as appropriate and do not copy them all. It is easy for novices to report errors

[root@bogon conf]# cat /usr/local/webserver/nginx/conf/nginx.conf

user www www;
worker_processes 2; #设置值和cpu核心数一致
error_log /usr/local/webserver/nginx/logs/nginx_error.log crit; #日志位置和日志级别
pid /usr/local/webserver/nginx/nginx.pid;
#specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 65535;
events
{
 use epoll;
 worker_connections 65535;
}
http
{
 include mime.types;
 default_type application/octet-stream;
 log_format main '$remote_addr - $remote_user [$time_local] "$request" '
    '$status $body_bytes_sent "$http_referer" '
    '"$http_user_agent" $http_x_forwarded_for';
 
#charset gb2312;
  
 server_names_hash_bucket_size 128;
 client_header_buffer_size 32k;
 large_client_header_buffers 4 32k;
 client_max_body_size 8m;
  
 sendfile on;
 tcp_nopush on;
 keepalive_timeout 60;
 tcp_nodelay on;
 fastcgi_connect_timeout 300;
 fastcgi_send_timeout 300;
 fastcgi_read_timeout 300;
 fastcgi_buffer_size 64k;
 fastcgi_buffers 4 64k;
 fastcgi_busy_buffers_size 128k;
 fastcgi_temp_file_write_size 128k;
 gzip on; 
 gzip_min_length 1k;
 gzip_buffers 4 16k;
 gzip_http_version 1.0;
 gzip_comp_level 2;
 gzip_types text/plain application/x-javascript text/css application/xml;
 gzip_vary on;
 
 #limit_zone crawler $binary_remote_addr 10m;
 #下面是server虚拟主机的配置
 server
 {
 listen 80;#监听端口
 server_name localhost;#域名
 index index.html index.htm index.php;
 root /usr/local/webserver/nginx/html;#站点目录
  location ~ .*\.(php|php5)?$
 {
  #fastcgi_pass unix:/tmp/php-cgi.sock;
  fastcgi_pass 127.0.0.1:9000;
  fastcgi_index index.php;
  include fastcgi.conf;
 }
 location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$
 {
  expires 30d;
 # access_log off;
 }
 location ~ .*\.(js|css)?$
 {
  expires 15d;
 # access_log off;
 }
 access_log off;
 }

}

Check the correctness of the configuration file ngnix.conf command:

[root@bogon conf]# /usr/local/webserver/nginx/sbin/nginx -t

Start nginx

nginx startup command is as follows:

[root@bogon conf]# /usr/local/webserver/nginx/sbin/nginx

Visit the site

Access our configured site IP from the browser:

nginx Other commands

The following contains several commonly used commands for nginx:

/usr/local/webserver/nginx/sbin/nginx -s reload   # 重新载入配置文件
/usr/local/webserver/nginx/sbin/nginx -s reopen   # 重启 nginx
/usr/local/webserver/nginx/sbin/nginx -s stop    # 停止 nginx

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