How to install RabbitMQ in Linux

Installing Erlang

Since RabbitMQ depends on Erlang, Erlang needs to be installed first.

There are roughly two ways to install Erlang:

1. Install from Erlang Solution (recommended)

 # 添加erlang solutions源 $ wget https://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm $ sudo rpm -Uvh erlang-solutions-1.0-1.noarch.rpm $ sudo yum install erlang

2. Install from EPEL source (Erlang installed in this way The version may not be the latest, and sometimes it cannot meet the minimum version required by RabbitMQ)

 # 启动EPEL源 $ sudo yum install epel-release  # 安装erlang $ sudo yum install erlang

Install RabbitMQ after completion:

Download rpm first:

wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.6/rabbitmq-server-3.6.6-1.el7.noarch.rpm

Install after completion:

yum install rabbitmq-server-3.6.6-1.el7.noarch.rpm

If you encounter the following dependency error during installation

Error: Package: socat-1.7.2.3-1.el6.x86_64 (epel)       Requires: libreadline.so.5()(64bit)

You can try to perform some basic operations on RabbitMQ

$ sudo yum install socat

$ sudo chkconfig rabbitmq-server on  # 添加开机启动RabbitMQ服务$ sudo /sbin/service rabbitmq-server start # 启动服务$ sudo /sbin/service rabbitmq-server status  # 查看服务状态$ sudo /sbin/service rabbitmq-server stop   # 停止服务# 查看当前所有用户$ sudo rabbitmqctl list_users# 查看默认guest用户的权限$ sudo rabbitmqctl list_user_permissions guest# 由于RabbitMQ默认的账号用户名和密码都是guest。为了安全起见, 先删掉默认用户$ sudo rabbitmqctl delete_user guest# 添加新用户$ sudo rabbitmqctl add_user username password# 设置用户tag$ sudo rabbitmqctl set_user_tags username administrator# 赋予用户默认vhost的全部操作权限$ sudo rabbitmqctl set_permissions -p / username ".*" ".*" ".*"# 查看用户的权限$ sudo rabbitmqctl list_user_permissions username

Enable web management Interface

If you only operate RabbitMQ from the command line, it is somewhat inconvenient. Fortunately, RabbitMQ comes with a web management interface, which you only need to start the plug-in to use.

$ sudo rabbitmq-plugins enable rabbitmq_management

Then access

http://localhost:15672

through the browser and enter the user name and password to access the web management interface.

Configuring RabbitMQ

Regarding the configuration of RabbitMQ, you can download the

configuration file template of RabbitMQ

to /etc/rabbitmq/rabbitmq.config, and then follow Just change the requirements.

After updating the configuration, don’t forget to restart the service!

Enable user remote access

By default, the default guest user of RabbitMQ only allows local access. If If you want the guest user to be able to access remotely, you only need to set the loopback_users list in the configuration file to empty, as follows:

{loopback_users, []}

In addition, for newly added users, you can directly access them remotely. To allow newly added users to have local access only, you can add the user name to the above list, such as allowing only the admin user to have local access.

{loopback_users, ["admin"]}

After updating the configuration, don’t forget to restart the service!

sudo /sbin/service rabbitmq-server status  # 查看服务状态

Here you can see the location of the log file, go to the file location, and open the file:

Show here The configuration file is not found. We can create this file ourselves.

cd /etc/rabbitmq/
vi rabbitmq.config

The editing content is as follows:

[{rabbit, [{loopback_users, []}]}].

This means open for use. The user guest created by rabbitmq by default has the same password as guest. This By default, users can only access locally, localhost or 127.0.0.1. To access from the outside, you need to add the above configuration.

Restart the service after saving the configuration:

service rabbitmq-server stopservice rabbitmq-server start

At this time, it can be accessed from the outside. But when I look at the log file again, I find that the content is still the original, and it still shows that the configuration file is not found. OK Manually delete this file and restart the service, but this does not affect the use

rm rabbit\@mythsky.log 
service rabbitmq-server stopservice rabbitmq-server start

Note: Remember to open ports 5672 and 15672

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