How to configure the server-side environment of Nginx+Tomcat
1. Java jdk installation:
#Download the corresponding jdk software package, then unzip and install it. The name of my package here is: jdk-7u25-linux-x64.tar.gz
tar -xzf jdk-7u25-linux-x64.tar.gz ;mkdir -p /usr/java/ ;mv jdk1.7.0_25/ /usr/java/ 下.
#Then configure the environment variables so that jdk can be referenced anywhere, configure as follows:
#vi /etc/profile Finally add the following statement:
export java_home=/usr/java/jdk1.7.0_25 export classpath=$classpath:$java_home/lib:$java_home/jre/lib export path=$java_home/bin:$java_home/jre/bin:$path:$homr/bin
#source /etc/profile #Make the environment variables take effect immediately
#java --version #Check the java version and see jdk1.7.0_25 The version means that java jdk is successfully installed.
2. nginx installation:
wget http://nginx.org/download/nginx-1.2.6.tar.gz useradd www tar zxvf nginx-1.2.6.tar.gz cd nginx-1.2.6/ ./configure --user=www --group=www --prefix=/usr/local/nginx \--with-http_stub_status_module --with-http_ssl_module make && make install
#nginx is installed, then use the command:/usr/local/nginx/sbin/nginx -t to test ok, which represents nginx Successful installation.
/usr/local/nginx/sbin/nginx Press Enter to start nginx. You can see the nginx default page by accessing http://ip/.
3. Tomcat installation:
# Official website to download tomcat 6.0.30 or other versions:
cd /usr/src && tar xzf apache-tomcat-6.0.30.tar.gz
#Directly After decompression, you can use it. After decompression is completed, copy two tomcats at the same time and name them tomcat1 tomcat2
mv apache-tomcat-6.0.30 /usr/local/tomcat1 cp /usr/local/tomcat1 /usr/local/tomcat2 -r
#Modify the tomcat1 and tomcat2 ports respectively. There are three ports that need to be modified. They are as follows:
shutdown port: 8005 is mainly responsible for startup and shutdown.
ajp port: 8009 is mainly responsible for balancing through ajp (commonly used for apache and tomcat integration)
http port: 8080 can be accessed directly through the web page (nginx tomcata integration)
#Note* If the three ports of tomcat1 are: 8005 8009 8080, then the tomcat2 port will be 1 on this basis, which is: 8006 8010 8081
#On a server, the port cannot be repeated, otherwise an error will be reported.
#After modifying the port, then start two tomcats. The startup command is:
#How to prompt that there is no such file or insufficient permissions. You need to grant execution permissions to the sh file in the bin directory of tomcat: chmod o You can use http://ip:8080 http://ip:8081 to access the tomcat default page.
#If you need to modify the tomcat release directory to your own directory, you need to make the following adjustments and create two release directories:
/usr/local/tomcat1/bin/startup.sh /usr/local/tomcat2/bin/startup.shEdit vi /usr/local/tomcat1/conf/server.xml at the end Add the content in the previous line:
mkdir -p /usr/webapps/{www1,www2}Edit vi /usr/local/tomcat2/conf/server.xml and add the content in the last line before :
<context path="" docbase="/usr/webapps/www1" reloadable="false"/>tomcat1 publishes directory content:
<context path="" docbase="/usr/webapps/www2" reloadable="false"/>tomcat2 publishes directory content:
<html> <body> <h1>tomcat_1 jsp test page</h1> <%=new java.util.date()%> </body> </html>Then visit http://ip:8080, 8081 to view the test content.
4. nginx tomcat integration:
Integration is mainly to modify the nginx.conf configuration and give a complete nginx.conf online configuration. Some parameters can be customized according to the actual situation. Requirement modification:<html> <body> <h1>tomcat_2 jsp test page</h1> <%=new java.util.date()%> </body> </html>#Note* The web_app defined by proxy_pass in the server segment needs to be consistent with the web_app defined in upstream, otherwise the server cannot find the balance. # As configured above, the nginx tomcat reverse proxy load balancing configuration is completed. If you want to separate dynamic and static, you only need to add the following configuration to nginx and it will be ok. #Configuring nginx dynamic and static separation
user www www;
worker_processes 8;
pid /usr/local/nginx/nginx.pid;
worker_rlimit_nofile 102400;
events
{
use epoll;
worker_connections 102400;
}
http
{
include mime.types;
default_type application/octet-stream;
fastcgi_intercept_errors on;
charset utf-8;
server_names_hash_bucket_size 128;
client_header_buffer_size 4k;
large_client_header_buffers 4 32k;
client_max_body_size 300m;
sendfile on;
tcp_nopush on;
keepalive_timeout 60;
tcp_nodelay on;
client_body_buffer_size 512k;
proxy_connect_timeout 5;
proxy_read_timeout 60;
proxy_send_timeout 5;
proxy_buffer_size 16k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.1;
gzip_comp_level 2;
gzip_types text/plain application/x-javascript text/css application/xml;
gzip_vary on;
###2012-12-19 change nginx logs
log_format main '$http_x_forwarded_for - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" $request_time $remote_addr';
upstream web_app {
server 127.0.0.1:8080 weight=1 max_fails=2 fail_timeout=30s;
server 127.0.0.1:8081 weight=1 max_fails=2 fail_timeout=30s;
}
####chinaapp.sinaapp.com
server {
listen 80;
server_name chinaapp.sinaapp.com;
index index.jsp index.html index.htm;
#发布目录/data/www
root /data/www;
location /
{
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_set_header host $host;
proxy_set_header x-real-ip $remote_addr;
proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for;
proxy_pass http://web_app;
expires 3d;
}
}
}5. Turn on nginx monitoring
1), nginx simple status monitoring
Add the following code in nginx.conf to monitor the current status of nginx, and then access http://serverip/status to access location ~ .*\.(html|htm|gif|jpg|jpeg|bmp|png|ico|txt|js|css)$
{
root /data/www;
#expires定义用户浏览器缓存的时间为3天，如果静态页面不常更新，可以设置更长，这样可以节省带宽和缓解服务器的压力
expires 3d;
}
Generally displayed as
location /status {
stub_status on;
access_log off;
}ctive connections: Number of active connections initiated to the backend.server accepts handled requests: nginx processed a total of 24 connections, successfully created 24 handshakes (proof that there were no failures in the middle), and processed a total of 129 requests.reading: nginx reads the number of header information from the client. writing: nginx returns the number of header information to the client. waiting: When keep-alive is turned on, this The value is equal to active – (reading writing), which means that nginx has completed processing and is waiting for the next request for the resident connection. Note that this module will not be compiled into nginx by default. If you want to use this module , you need to specify when compiling and installing nginx:
active connections: 16 server accepts handled requests 191226 191226 305915 reading: 0 writing: 1 waiting: 15Check whether the installed nginx contains the stub_status module
./configure –with-http_stub_status_module
#/usr/local/nginx/sbin/nginx -v
2), graphical monitoring of nginx -nginx-rrd stats
nginx-rrd is an nginx monitoring tool officially recommended by nginx. nginx-rrd can be used to easily generate charts for us to view.
在安装前需要安装好rrdtool这个画图工具和相应的perl模块，可以先运行：
yum install rrdtool libhtml-parser-perl libwww-perl librrds-perl librrd2-dev
确保rrdtool和相应的perl被安装上。
b、安装配置
下载：
wget http://soft.vpser.net/status/nginx-rrd/nginx-rrd-0.1.4.tgz
解压：
tar zxvf nginx-rrd-0.1.4.tgz
进入nginx-rrd目录，
cd nginx-rrd-0.1.4/
复制主程序：
cp usr/sbin/* /usr/sbin
复制配置文件
cp etc/nginx-rrd.conf /etc
复制定时执行文件：
cp etc/cron.d/nginx-rrd.cron /etc/cron.d
创建nginx-rrd生成目录：
mkdir /home/wwwroot/nginx && mkdir /home/wwwroot/nginx/rrd cp html/index.php /home/wwwroot/nginx
编辑/home/wwwroot/nginx/index.php修改登录密码
<?php
header("content-type: text/html; charset=utf-8");
$password = "admin";
.........编辑配置文件nginx-rrd.conf，修改完成后如下：
##################################################### # # dir where rrd databases are stored rrd_dir="/home/wwwroot/nginx-rrd/"; # dir where png images are presented www_dir="/home/wwwroot/nginx/"; # process nice level nice_level="-19"; # bin dir bin_dir="/usr/sbin"; # servers to test # server_utl;server_name servers_url="http://127.0.0.1/status;127.0.0.1"
多个server，可以servers_url中空格分开，前部分为nginx_status的地址，后面为被监控主机的域名。
severs_url 格式
注意，nginx.conf虚拟主机server{}中，需要已经加入：
location /status {
stub_status on;
access_log off;
}以上设置就完成，可以自行运行一下：/usr/sbin/nginx-collect ，启动收集程序。cron会15分钟生成一次数据。
如果没有定时执行生成数据，可以在/etc/crontab最后面加上：
* * * * * root /usr/sbin/nginx-collect */15 * * * * root /usr/sbin/nginx-graph
然后输入然后访问http://serverip/nginx/即可访问。
6、开启tomcat的监控
1)、tomcat6的配置
修改tomcat/conftomcat-users.xml文件中节点之前添加如下代码即可。
<user username="admin" password="admin" roles="manager"/>
然后输入然后访问http://serverip:8080/manager/status即可访问。
2)tomcat7的配置
修改tomcat/conftomcat-users.xml文件中节点之前添加如下代码即可。
<role rolename="manager-gui"/> <user username="tomcat" admin="admin" roles="manager-gui"/>
然后输入然后访问http://serverip:8080/manager/status即可访问。
The above is the detailed content of How to configure the server-side environment of Nginx+Tomcat. For more information, please follow other related articles on the PHP Chinese website!
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