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About on SuperTechFans

Erlang - 分类 - cywhat's blog

Linux卸载RabbitMQ
Linux安装RabbitMQ
cywhat · 2023-04-17 · via Erlang - 分类 - cywhat's blog

1、前景

RabbitMQ是用Erlang编写的,所以需要先安装Erlang的编译环境

注意

Erlang和RabbitMQ的版本是有一些版本匹配关系的,如果不匹配会导致RabbitMQ无法启动

点击查看版本关联信息

Erlang

RabbitMQ

2、安装Erlang

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# 下载
wget https://packages.erlang-solutions.com/erlang/rpm/centos/7/x86_64/esl-erlang_23.3.1-1~centos~7_amd64.rpm

# 安装
yum install esl-erlang_23.3.1-1~centos~7_amd64.rpm

# 如果有更高的版本需要覆盖安装使用这条
rpm -ivh esl-erlang_23.3.1-1~centos~7_amd64.rpm --replacefiles

2.1、检查是否安装成功

3、安装RabbitMQ

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# 安装RabbitMQ密钥
rpm --import https://www.rabbitmq.com/rabbitmq-signing-key-public.asc

# 下载
wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.14/rabbitmq-server-3.8.14-1.el7.noarch.rpm

# 安装
yum install rabbitmq-server-3.8.14-1.el7.noarch.rpm

# 配置Web页面
rabbitmq-plugins enable rabbitmq_management

3.1、配置文件差异

注意1

RabbitMQ版本3.8以上的需要把该文件放在/etc/rabbitmq目录下

注意2

RabbitMQ版本3.8以下的配置文件目录在:/usr/lib/rabbitmq/lib/rabbitmq_server-3.7.9/ebin/rabbit.app

下载配置

提取码: ribv

3.2、配置开机启动

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systemctl enable rabbitmq-server.service

4、开放端口

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/sbin/iptables -I INPUT -p tcp --dport 5672 -j ACCEPT
/sbin/iptables -I INPUT -p tcp --dport 15672 -j ACCEPT

5、启动RabbitMQ

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# 启动(二选一)
systemctl start rabbitmq-server.service

# 启动(二选一)
/sbin/service rabbitmq-server start

# 查看启动状态
systemctl status rabbitmq-server.service

6、新增用户

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# 新增用户 username为用户名  passwd为密码
rabbitmqctl add_user username passwd    

# 设置超管权限
rabbitmqctl set_user_tags username administrator

# 为username设置权限
rabbitmqctl set_permissions -p "/" username ".*" ".*" ".*" 

# 设置完重启服务
systemctl restart rabbitmq-server.service

7、疑难解决

6.1、报错1

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rabbitmq-server.service: main process exited, code=exited, status=1/FAILURE

6.1.1、解决:

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/var/lib/rabbitmq/mnesia 目录下存在[email protected]、rabbit@localhost、rabbit@localhost-plugins-expand,删除这3项

6.2、报错2

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file /usr/bin/epmd from install of esl-erlang-25.0.3-1.x86_64 conflicts with file from package erlang-erts-24.3.4.1-1.el7.x86_64

6.1.1、解决:

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该提示为Erlang和RabbitMQ版本不匹配导致

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