1.4 nginx启动脚本和配置文件

编写nginx启动脚本，并加入系统服务
# vim /etc/init.d/nginx    //编写nginx启动脚本，加入系统服务。写入以下内容
#!/bin/bash
# chkconfig: - 30 21
# description: http service.
# Source Function Library
. /etc/init.d/functions
# Nginx Settings
 
NGINX_SBIN="/usr/local/nginx/sbin/nginx"
NGINX_CONF="/usr/local/nginx/conf/nginx.conf"
NGINX_PID="/usr/local/nginx/logs/nginx.pid"
RETVAL=0
prog="Nginx"
 
start() {
        echo -n $"Starting $prog: "
        mkdir -p /dev/shm/nginx_temp
        daemon $NGINX_SBIN -c $NGINX_CONF
        RETVAL=$?
        echo
        return $RETVAL
}
 
stop() {
        echo -n $"Stopping $prog: "
        killproc -p $NGINX_PID $NGINX_SBIN -TERM
        rm -rf /dev/shm/nginx_temp
        RETVAL=$?
        echo
        return $RETVAL
}
 
reload(){
        echo -n $"Reloading $prog: "
        killproc -p $NGINX_PID $NGINX_SBIN -HUP
        RETVAL=$?
        echo
        return $RETVAL
}
 
restart(){
        stop
        start
}
 
configtest(){
    $NGINX_SBIN -c $NGINX_CONF -t
    return 0
}
 
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  reload)
        reload
        ;;
  restart)
        restart
        ;;
  configtest)
        configtest
        ;;
  *)
        echo $"Usage: $0 {start|stop|reload|restart|configtest}"
        RETVAL=1
esac
exit $RETVAL
 
# chmod 755 /etc/init.d/nginx    //保存后修改权限
# chkconfig --add nginx       //启动nginx
# chkconfig nginx on       //执行后开机启动
更改nginx配置
# > /usr/local/nginx/conf/nginx.conf   //首先把原来配置文件清空
#vim /usr/local/nginx/conf/nginx.conf    //写入以下内容
user nobody nobody;
worker_processes 2;
error_log /usr/local/nginx/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;
events
{
    use epoll;
    worker_connections 6000;
}
http
 
{
    include mime.types;
    default_type application/octet-stream;
    server_names_hash_bucket_size 3526;
    server_names_hash_max_size 4096;
    log_format combined_realip '$remote_addr $http_x_forwarded_for [$time_local]'
    '$host "$request_uri" $status'
    '"$http_referer" "$http_user_agent"';
    sendfile on;
    tcp_nopush on;
    keepalive_timeout 30;
    client_header_timeout 3m;
    client_body_timeout 3m;
    send_timeout 3m;
    connection_pool_size 256;
    client_header_buffer_size 1k;
    large_client_header_buffers 8 4k;
    request_pool_size 4k;
    output_buffers 4 32k;
    postpone_output 1460;
    client_max_body_size 10m;
    client_body_buffer_size 256k;
    client_body_temp_path /usr/local/nginx/client_body_temp;
    proxy_temp_path /usr/local/nginx/proxy_temp;
    fastcgi_temp_path /usr/local/nginx/fastcgi_temp;
    fastcgi_intercept_errors on;
    tcp_nodelay on;
    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 8k;
    gzip_comp_level 5;
    gzip_http_version 1.1;
    gzip_types text/plain application/x-javascript text/css text/htm application/xml;
 
include /usr/local/nginx/conf/vhosts/*.conf;
}
 
# /usr/local/nginx/sbin/nginx –t     //检测配置是否正确
# service nginx restart     //重启nginx
# mkdir /usr/local/nginx/conf/vhosts
# cd !$            //进入上面输入的目录
#vim default.conf   //加入如下配置
server
{
 listen 80 default_server;
 server_name www.111.com;
 index index.html index.htm index.php;
 root /tmp/tmp;
 deny all;
}
 
#vim test.conf   //加入如下配置
server
{
 listen 80;
 server_name www.test.com;
 index index.html index.htm index.php;
 root /data/www;
 
location ~ \.php$ {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/php-fcgi.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME /data/www$fastcgi_script_name;
    }
}
#/etc/init.d/nginx reload         //重新加载，并未重启服务