# 安装Nginx
$ yum install epel-release
$ yum install nginx
# 启动Nginx服务
$ systemctl start nginx
$ systemctl enable nginx
# 配置Nginx
$ vi /etc/nginx/nginx.conf
http {
include /etc/nginx/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”‘;
access_log /var/log/nginx/access.log main;
sendfile on;
#tcp_nopush on;
keepalive_timeout 65;
#gzip on;
include /etc/nginx/conf.d/*.conf;
}
# 配置虚拟主机
$ vi /etc/nginx/conf.d/fgedu.conf
server {
listen 80;
server_name fgedu.net.cn; 更多学习教程公众号风哥教程itpux_com
location / {
proxy_pass http://fgedu.localhost:8080;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
}
# 重启Nginx服务
$ systemctl restart nginx
# 验证Nginx服务
$ systemctl status nginx

# 安装RabbitMQ
$ yum install epel-release
$ yum install rabbitmq-server
# 启动RabbitMQ服务
$ systemctl start rabbitmq-server
$ systemctl enable rabbitmq-server
# 启用RabbitMQ管理插件
$ rabbitmq-plugins enable rabbitmq_management
# 创建用户
$ rabbitmqctl add_user fgedu Fgedu123
$ rabbitmqctl set_user_tags fgedu administrator
$ rabbitmqctl set_permissions -p / fgedu “.*” “.*” “.*”
# 验证RabbitMQ服务
$ systemctl status rabbitmq-server
# 访问RabbitMQ管理界面
# http://fgedu.localhost:15672 from DB视频:www.itpux.com

# 安装Redis
$ yum install epel-release
$ yum install redis
# 配置Redis
$ vi /etc/redis.conf
# 绑定地址
bind 0.0.0.0
# 设置密码
requirepass Fgedu123
# 启动Redis服务
$ systemctl start redis
$ systemctl enable redis
# 验证Redis服务
$ systemctl status redis
# 测试Redis连接
$ redis-cli -h fgedu.localhost -p 6379 -a Fgedu123 ping
PONG

# 安装Tomcat
$ wget https://archive.apache.org/dist/tomcat/tomcat-9/v9.0.85/bin/apache-tomcat-9.0.85.tar.gz
$ tar -zxvf apache-tomcat-9.0.85.tar.gz -C /dm/app
$ ln -s /dm/app/apache-tomcat-9.0.85 /dm/app/tomcat
# 配置Tomcat数据源
$ vi /dm/app/tomcat/conf/context.xml



# 复制DM JDBC驱动到Tomcat lib目录
$ cp /dm/app/drivers/jdbc/dm8-jdbc-driver.jar /dm/app/tomcat/lib/
# 启动Tomcat服务
$ /dm/app/tomcat/bin/startup.sh
# 验证Tomcat服务
$ ps aux | grep tomcat

# 安装Kafka
$ wget https://downloads.apache.org/kafka/3.6.1/kafka_2.13-3.6.1.tgz
$ tar -zxvf kafka_2.13-3.6.1.tgz -C /dm/app
$ ln -s /dm/app/kafka_2.13-3.6.1 /dm/app/kafka
# 启动Zookeeper
$ /dm/app/kafka/bin/zookeeper-server-start.sh -daemon /dm/app/kafka/config/zookeeper.properties
# 启动Kafka
$ /dm/app/kafka/bin/kafka-server-start.sh -daemon /dm/app/kafka/config/server.properties
# 创建主题
$ /dm/app/kafka/bin/kafka-topics.sh –create –bootstrap-server fgedu.localhost:9092 –replication-factor 1 –partitions 1 –topic fgedu-topic
# 编写Kafka生产者代码（Java）
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
import java.util.Properties;
public class KafkaProducerDemo {
public static void main(String[] args) {
Properties props = new Properties();
props.put(“bootstrap.servers”, “fgedu.localhost:9092”);
props.put(“key.serializer”, “org.apache.kafka.common.serialization.StringSerializer”);
props.put(“value.serializer”, “org.apache.kafka.common.serialization.StringSerializer”);
KafkaProducer producer = new KafkaProducer<>(props);
// 从DM数据库读取数据并发送到Kafka
// 这里需要添加JDBC代码读取DM数据库数据
producer.send(new ProducerRecord<>(“fgedu-topic”, “key1”, “value1”));
producer.close();
}
}
# 编写Kafka消费者代码（Java）
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import java.util.Properties;
import java.util.Arrays;
public class KafkaConsumerDemo {
public static void main(String[] args) {
Properties props = new Properties();
props.put(“bootstrap.servers”, “fgedu.localhost:9092”);
props.put(“group.id”, “test-group”);
props.put(“key.deserializer”, “org.apache.kafka.common.serialization.StringDeserializer”);
props.put(“value.deserializer”, “org.apache.kafka.common.serialization.StringDeserializer”);
KafkaConsumer consumer = new KafkaConsumer<>(props);
consumer.subscribe(Arrays.asList(“fgedu-topic”));
while (true) {
ConsumerRecords records = consumer.poll(100);
for (ConsumerRecord record : records) {
System.out.printf(“offset = %d, key = %s, value = %s%n”, record.offset(), record.key(), record.value());
// 将数据写入DM数据库
// 这里需要添加JDBC代码写入DM数据库
}
}
}
}

# 编写Redis与DM数据库集成代码（Java）
import redis.clients.jedis.Jedis;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class RedisDmIntegration {
public static void main(String[] args) {
// 连接Redis
Jedis jedis = new Jedis(“fgedu.localhost”, 6379);
jedis.auth(“Fgedu123”);
// 连接DM数据库
try {
Class.forName(“dm.jdbc.driver.DmDriver”);
Connection conn = DriverManager.getConnection(“jdbc:dm://fgedu.localhost:5236/fgedudb”, “SYSDBA”, “SYSDBA”);
Statement stmt = conn.createStatement();
// 从DM数据库读取数据
ResultSet rs = stmt.executeQuery(“SELECT id, name FROM fgedu_user”);
while (rs.next()) {
int id = rs.getInt(“id”);
String name = rs.getString(“name”);
// 将数据写入Redis
jedis.set(“user:” + id, name);
System.out.println(“Stored user: ” + id + ” -> ” + name);
}
// 从Redis读取数据
System.out.println(“Reading from Redis:”);
for (int i = 1; i <= 10; i++) { String name = jedis.get("user:" + i); if (name != null) { System.out.println("User " + i + ": " + name); } } rs.close(); stmt.close(); conn.close(); } catch (Exception e) { e.printStackTrace(); } finally { jedis.close(); } } } # 编译和运行代码 $ javac -cp ".:dm8-jdbc-driver.jar:jedis-4.4.3.jar" RedisDmIntegration.java $ java -cp ".:dm8-jdbc-driver.jar:jedis-4.4.3.jar" RedisDmIntegration

# 1. Web中间件监控（Nginx）
– 访问日志：分析Nginx访问日志
– 错误日志：监控Nginx错误日志
– 状态模块：启用Nginx状态模块
– 第三方工具：使用Prometheus和Grafana监控
# 2. 消息中间件监控（RabbitMQ）
– 管理界面：通过RabbitMQ管理界面监控
– 命令行工具：使用rabbitmqctl命令监控
– 第三方工具：使用Prometheus和Grafana监控
# 3. 缓存中间件监控（Redis）
– 命令行工具：使用redis-cli命令监控
– 第三方工具：使用Redis Exporter和Grafana监控
– 监控指标：内存使用、命中率、连接数等
# 4. 统一监控平台
– Zabbix：全面的监控解决方案
– Prometheus + Grafana：开源监控系统
– ELK Stack：日志分析和监控
– Datadog：云原生监控平台
# 5. 监控指标
– 系统指标：CPU、内存、磁盘、网络等
– 中间件指标：连接数、吞吐量、响应时间等
– 数据库指标：查询性能、连接数、缓存命中率等
– 业务指标：交易数、成功率、响应时间等
# 6. 告警机制
– 阈值告警：设置合理的告警阈值
– 告警方式：邮件、短信、微信等
– 告警级别：严重、警告、信息等
– 告警处理：制定告警处理流程