笔记:centos6 nginx基本配置测试

先安装

pcre

pcre-devel

openssl-devel


下载nginx并解压

tar xf nginx-1.10.1.tar.gz

cd nginx-xxx


配置

./configure --prefix=/application/nginx-1.10.1 --user=nginx --group=nginx \

--with-http_ssl_module --with-http_stub_status_module


创建nginx用户

useradd nginx -s /bin/nologin -M && id nginx


安装

make && make install


创建软连接(去掉版本号方便使用):

ln -s /application/nginx-1.10.1/ /application/nginx


启动

/application/nginx/sbin/nginx


检查,用浏览器访问,若连接不上,检查iptable

ps -ef |grep nginx |grep -v grep && ss -lntup |grep nginx

curl 127.0.0.1


排错日志

/var/log/messages

/application/nginx/logs/error.log


配置文件

grep -Ev '#|^$' nginx.conf


nginx的参数

-t 检查配置文件语法,reload前需要先执行改命令,另外重启后需要启动检查脚本进行接口探测

-v 版本

-V 查看编译参数

-s 后面追加启动关闭信号参数,reload可以重新读取配置


配置文件配置

1、在http的标签里使用include进行分块

include extra/*.conf;

2、在其他conf文件里对虚拟主机进行配置


主配置文件

cd /application/nginx/conf &&\

cat >nginx.conf<<eof

worker_processes auto;

events {

worker_connections 1024;

}

http {

include mime.types;

default_type application/octet-stream;

sendfile on;

keepalive_timeout 65;

log_format main '\$remote_addr - \$remote_user [\$time_local] "\$request" '

'\$status \$body_bytes_sent "\$http_referer" '

'"\$http_user_agent" "\$http_x_forwarded_for"';

include /application/nginx/conf/vhosts/*.conf;

include /application/nginx/conf/extra/*.conf;

}

eof


附属虚拟主机配置文件

mkdir -p /application/nginx/conf/vhosts &&\

cd /application/nginx/conf/vhosts &&\

touch www.conf &&\

touch /application/nginx/logs/error_crit_Server1.log &&\

touch /application/nginx/logs/access_www.log &&\

cat >www.conf<<eof

server {

listen 80;

#配置错误日志的位置和等级,可以使用默认的配置

error_log /application/nginx/logs/error_crit_Server1.log error;

#www.bbb.com bbb.com这个是别名,利用别名可以拿来探测那个服务器访问不正常

server_name localhost www.bbb.com ;

location / {

root html/www;

index www.html index.html index.htm;

}

error_page 500 502 503 504 /50x.html;

location = /50x.html {

root html;

}

#配置访问日志使用off可以禁用访问日志,使用的日志等级需要在主配置文件里配置好等级格式设置

access_log logs/access.log main;

}

eof


使用rewrite配置域名跳转

mkdir -p /application/nginx/conf/vhosts &&\

cd /application/nginx/conf/vhosts &&\

touch rewrite.conf

cat >rewrite.conf<<eof

server {

listen 80;

server_name bbb.com;

rewrite /(.*) http://www.bbb.com/\$1 permanent;

}

eof


监控主机的配置文件

mkdir -p /application/nginx/conf/extra &&\

touch /application/nginx/conf/extra/status.conf &&\

cat >/application/nginx/conf/extra/status.conf<<eof

server{

listen 80;

server_name status.test.org;

location / {

stub_status on;

access_log off;

}

}

eof


将status.test.org加入hosts文件

echo "127.0.0.1 status.test.org" >>/etc/hosts


配置文件的其他参数

log_format 日志格式

access_log 可以在日志参数里加上buffer和flush提升并发性能,甚至可以通过syslog发送到其他地方(为了提高性能,可以设计成在内存里处理后只留下关键信息记录到磁盘上)


使用脚本轮巡日志,把每天的日志进行分割(重命名并清空),写入定时任务0时执行(未测试)

mkdir -p /application/nginx/script &&\

cd /application/nginx/script && touch test.sh &&\

cat >test.sh<<eof

#! /bin/sh

Dateformat="\$(date +%F -d -1day)"

Basedir="/application/nginx"

Nginxlogdir="\$Basedir/logs"

Logname="access_www.log"

[ -d \$Nginxlogdir ] && cd \$Nginxlogdir ||exit 1

[ -f \$Logname ] || exit 2

cd \$Nginxlogdir

/bin/cp \$Nginxlogdir/\$Logname \$Nginxlogdir/\${Dateformat}_\${Logname}

>\$Nginxlogdir/\$Logname

eof

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