rpm -Uvh http://download.Fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-8.noarch.rpm yum install erlang
安装过程中会有提示,一路输入“y”即可。
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完成后安装RabbitMQ:
先下载rpm:
wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.6/rabbitmq-server-3.6.6-1.el7.noarch.rpm
下载完成后安装:
yum install rabbitmq-server-3.6.6-1.el7.noarch.rpm
完成后启动服务:
service rabbitmq-server start
可以查看服务状态:
service rabbitmq-server status
这里可以看到log文件的位置,转到文件位置,打开文件:
这里显示的是没有找到配置文件,我们可以自己创建这个文件
cd /etc/rabbitmq/ vi rabbitmq.config
编辑内容如下:
[{rabbit, [{loopback_users, []}]}].
这里的意思是开放使用,rabbitmq默认创建的用户guest,密码也是guest,这个用户默认只能是本机访问,localhost或者127.0.0.1,从外部访问需要添加上面的配置。
保存配置后重启服务:
service rabbitmq-server stop service rabbitmq-server start
此时就可以从外部访问了,但此时再看log文件,发现内容还是原来的,还是显示没有找到配置文件,可以手动删除这个文件再重启服务,不过这不影响使用
rm rabbit\@mythsky.log service rabbitmq-server stop service rabbitmq-server start
开放5672端口:
firewall-cmd --zone=public --add-port=5672/tcp --permanent firewall-cmd --reload
在Windows上进行测试:
新建.net core控制台项目,引用RabbitMQ.Client包:
Install-Package RabbitMQ.Client
测试代码:
public static void Main(string[] args) { ConnectionFactory factory = new ConnectionFactory(); factory.UserName = "guest"; factory.Password = "guest"; factory.VirtualHost = "/"; factory.HostName = "localhost"; //factory.HostName = "10.255.19.111"; try { IConnection conn = factory.CreateConnection(); IModel model = conn.CreateModel(); string exchangeName = "test"; string queueName = "testq"; string routingKey = "first"; model.ExchangeDeclare(exchangeName, ExchangeType.Direct); model.QueueDeclare(queueName, false, false, false, null); model.QueueBind(queueName, exchangeName, routingKey, null); byte[] messageBodyBytes = System.Text.Encoding.UTF8.GetBytes("Hello, world!"); model.BasicPublish(exchangeName, routingKey, null, messageBodyBytes); Console.WriteLine("message sended."); bool noAck = false; BasicGetResult result = model.BasicGet(queueName, noAck); if (result == null) { Console.Write("no message."); } else { IBasicProperties props = result.BasicProperties; byte[] body = result.Body; model.BasicAck(result.DeliveryTag, false); string message = System.Text.Encoding.UTF8.GetString(body); Console.Write(message); } } catch (Exception ex) { Console.Write(ex.Message); } }
也可以使用官网的例子(这里更清晰):
http://www.rabbitmq.com/tutorials/tutorial-one-dotnet.html
发送端:
using System; using RabbitMQ.Client; using System.Text; class Send { public static void Main() { var factory = new ConnectionFactory() { HostName = "localhost" }; using(var connection = factory.CreateConnection()) using(var channel = connection.CreateModel()) { channel.QueueDeclare(queue: "hello", durable: false, exclusive: false, autoDelete: false, arguments: null); string message = "Hello World!"; var body = Encoding.UTF8.GetBytes(message); channel.BasicPublish(exchange: "", routingKey: "hello", basicProperties: null, body: body); Console.WriteLine(" [x] Sent {0}", message); } Console.WriteLine(" Press [enter] to exit."); Console.ReadLine(); } }
接收端:
using RabbitMQ.Client; using RabbitMQ.Client.Events; using System; using System.Text; class Receive { public static void Main() { var factory = new ConnectionFactory() { HostName = "localhost" }; using(var connection = factory.CreateConnection()) using(var channel = connection.CreateModel()) { channel.QueueDeclare(queue: "hello", durable: false, exclusive: false, autoDelete: false, arguments: null); var consumer = new EventingBasicConsumer(channel); consumer.Received += (model, ea) => { var body = ea.Body; var message = Encoding.UTF8.GetString(body); Console.WriteLine(" [x] Received {0}", message); }; channel.BasicConsume(queue: "hello", noAck: true, consumer: consumer); Console.WriteLine(" Press [enter] to exit."); Console.ReadLine(); } } }
在Windows上发送,在CentOS上接收,效果如图:
开启管理UI:
rabbitmq-plugins enable rabbitmq_management firewall-cmd --zone=public --add-port=15672/tcp --permanent firewall-cmd --reload
在Windows下打开地址:
http://10.255.19.111:15672
用户名和密码都是 guest
这样就可以方便管理RabbitMQ了。
分享题目:在CentOS7上安装RabbitMQ详解
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