nginx安装

cd /usr/local/src
wget http://nginx.org/download/nginx-1.12.2.tar.gz
tar zxf nginx-1.12.1.tar.gz
cd nginx-1.12.2
./configure --prefix=/usr/local/nginx
make && make install
vim /etc/init.d/nginx //启动脚本。复制如下内容
vi /etc/init.d/nginx
#!/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
chkconfig --add nginx
chkconfig nginx on
cd /usr/local/nginx/conf/; mv nginx.conf nginx.conf.bak
vim nginx.conf //写入如下内容
cat nginx.conf
user nobody nobody; //访问一个图片，是以哪个用户去读这个图片用户和用户组
worker_processes 2;//定义子进程有几个
error_log /usr/local/nginx/logs/nginx_error.log crit; //debug或者crit这里表示错误级别
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;//nginx最多打开多少个文件
events
{
use epoll; //使用的模式
worker_connections 6000; //进程最大连接多少
}
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" "$http_user_agent"';
sendfile on;
tcp_nopush on;
keepalive_timeout 30;
client_header_timeout 3m;
client_body_timeout 3m;
send_timeout 3m;
connection_pool_size 256;
client_header_buffer_size 1k;
large_client_header_buffers 8 4k;
request_pool_size 4k;
output_buffers 4 32k;
postpone_output 1460;
client_max_body_size 10m;
client_body_buffer_size 256k;
client_body_temp_path /usr/local/nginx/client_body_temp;
proxy_temp_path /usr/local/nginx/proxy_temp;
fastcgi_temp_path /usr/local/nginx/fastcgi_temp;
fastcgi_intercept_errors on;
tcp_nodelay on;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 8k;
gzip_comp_level 5;
gzip_http_version 1.1;
gzip_types text/plain application/x-javascript text/css text/htm
application/xml;
server
{
listen 80;
server_name localhost; //server_name域名
index index.html index.htm index.php; //index定义首页格式
root /usr/local/nginx/html; //root 网站根目录
location ~ .php$ //解析php部分
{
include fastcgi_params;
fastcgi_pass unix:/tmp/php-fcgi.sock; //nginx调用php-fpm，指定php监听的ip或者sock
#fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name;
}
}
}

/usr/local/nginx/sbin/nginx -t
/usr/local/nginx/sbin/nginx -s reload
/etc/init.d/nginx start
netstat -lntp |grep 80