# 输出示例如下：
Package socat-1.7.3.2-2.el7.x86_64 already installed and latest version
Package logrotate-3.8.6-21.el7.x86_64 already installed and latest version
Nothing to do

# 安装Erlang
# rpm -ivh erlang-26.2.5-1.el8.x86_64.rpm

# 输出示例如下：
Preparing… ################################# [100%]
Updating / installing…
1:erlang-26.2.5-1 ################################# [100%]

# 安装RabbitMQ
# rpm -ivh rabbitmq-server-4.2.1-1.el8.noarch.rpm

# 输出示例如下：
Preparing… ################################# [100%]
Updating / installing…
1:rabbitmq-server-4.2.1-1 ################################# [100%]

# 启动RabbitMQ服务
# systemctl start rabbitmq-server
# systemctl enable rabbitmq-server

# 输出示例如下：
Created symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service to /usr/lib/systemd/system/rabbitmq-server.service.

# 查看服务状态
# systemctl status rabbitmq-server

# 输出示例如下：
● rabbitmq-server.service – RabbitMQ broker
Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; enabled)
Active: active (running) since Fri 2026-04-04 10:30:00 CST; 5s ago
Main PID: 12345 (beam.smp)
Status: “Initialized”
Tasks: 85 (limit: 4915)
Memory: 100.0M
CGroup: /system.slice/rabbitmq-server.service
├─12345 /usr/lib64/erlang/erts-14.2.1/bin/beam.smp -W w -MBas ageffcbf -MHas ageffcbf -MBlmbcs 512 -MHlmbcs 512 -MMmcs 30 -P 1048576 -t 5000000 -stbt db -zdbbl 128000 -sbwt none…
├─12356 erl_child_setup 32768
└─12378 inet_gethost 4

# 查看版本
# rabbitmqctl version

# 输出示例如下：
4.2.1

# 输出示例如下：
Enabling plugins on node rabbit@fgedu:
rabbitmq_management
The following plugins have been configured:
rabbitmq_management
rabbitmq_management_agent
rabbitmq_web_dispatch
Applying plugin configuration to rabbit@fgedu…
Plugin configuration has changed. Disable/enable plugin changes will take effect after a broker restart.
Started 3 plugins.

# 查看已启用的插件
# rabbitmq-plugins list

# 输出示例如下：
Listing plugins with pattern “.*” …
Configured: E = explicitly enabled; e = implicitly enabled
| Status: * = running on rabbit@fgedu
|/
[ ] rabbitmq_amqp1_0 4.2.1
[ ] rabbitmq_auth_backend_cache 4.2.1
[ ] rabbitmq_auth_backend_http 4.2.1
[ ] rabbitmq_auth_backend_ldap 4.2.1
[ ] rabbitmq_auth_backend_oauth2 4.2.1
[ ] rabbitmq_auth_mechanism_ssl 4.2.1
[ ] rabbitmq_consistent_hash_exchange 4.2.1
[ ] rabbitmq_event_exchange 4.2.1
[ ] rabbitmq_federation 4.2.1
[ ] rabbitmq_federation_management 4.2.1
[ ] rabbitmq_jms_topic_exchange 4.2.1
[E*] rabbitmq_management 4.2.1
[e*] rabbitmq_management_agent 4.2.1
[ ] rabbitmq_mqtt 4.2.1
[ ] rabbitmq_peer_discovery_aws 4.2.1
[ ] rabbitmq_peer_discovery_common 4.2.1
[ ] rabbitmq_peer_discovery_consul 4.2.1
[ ] rabbitmq_peer_discovery_etcd 4.2.1
[ ] rabbitmq_peer_discovery_k8s 4.2.1
[ ] rabbitmq_prometheus 4.2.1
[ ] rabbitmq_random_exchange 4.2.1
[ ] rabbitmq_recent_history_exchange 4.2.1
[ ] rabbitmq_shovel 4.2.1
[ ] rabbitmq_shovel_management 4.2.1
[ ] rabbitmq_stomp 4.2.1
[ ] rabbitmq_stream 4.2.1
[ ] rabbitmq_stream_management 4.2.1
[ ] rabbitmq_top 4.2.1
[ ] rabbitmq_tracing 4.2.1
[ ] rabbitmq_trust_store 4.2.1
[e*] rabbitmq_web_dispatch 4.2.1
[ ] rabbitmq_web_mqtt 4.2.1
[ ] rabbitmq_web_mqtt_examples 4.2.1
[ ] rabbitmq_web_stomp 4.2.1
[ ] rabbitmq_web_stomp_examples 4.2.1

用户和权限管理

# 输出示例如下：
Adding user “admin” …
Done. Don’t forget to grant the user permissions to some virtual hosts! See ‘rabbitmqctl set_permissions –help’.

# 设置用户角色
# rabbitmqctl set_user_tags admin administrator

# 输出示例如下：
Setting tags for user “admin” to [administrator] …

# 设置用户权限
# rabbitmqctl set_permissions -p / admin “.*” “.*” “.*”

# 输出示例如下：
Setting permissions for user “admin” in vhost “/” …

# 查看用户列表
# rabbitmqctl list_users

# 输出示例如下：
Listing users …
user tags
admin administrator
guest administrator

# 删除默认guest用户（生产环境建议）
# rabbitmqctl delete_user guest

# 输出示例如下：
Deleting user “guest” …

配置文件

# 主要配置参数
listeners.tcp.default = 5672
management.tcp.port = 15672

# 内存限制
total_memory_available_override_value = 4GB
vm_memory_high_watermark.relative = 0.6

# 磁盘限制
disk_free_limit.absolute = 2GB

# 消息持久化
default_user = admin
default_pass = fgedu@123

# 日志配置
log.file.level = info
log.console = true
log.console.level = info

# 重启服务
# systemctl restart rabbitmq-server

# 输出示例如下：
# 查看状态
# rabbitmqctl status

# 输出示例如下：
Status of node rabbit@fgedu …
Runtime

OS PID: 12345
OS: Linux
Uptime (seconds): 300
Is under maintenance?: false
RabbitMQ version: 4.2.1
RabbitMQ release series support status: supported
Node name: rabbit@fgedu
Erlang configuration: Erlang/OTP 26 [erts-14.2.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [jit:ns]
Erlang processes: 345 used, 1048576 limit
Scheduler run queue length: 1
Switched from ERTS internal memory allocator to mseg_alloc
Memory binary: 12345678
Memory code: 23456789
Memory atom: 1234567
Memory processes: 34567890
Memory processes_unused: 12345678
Memory system: 45678901
Memory total: 123456789
Memory limit: 4294967296

net.ipv4.tcp_keepalive_time = 60
net.ipv4.tcp_keepalive_intvl = 10
net.ipv4.tcp_keepalive_probes = 6
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_max_syn_backlog = 8192
net.core.somaxconn = 65535
fs.file-max = 100000

# 使配置生效
# sysctl -p

# 输出示例如下：
net.ipv4.tcp_keepalive_time = 60
net.ipv4.tcp_keepalive_intvl = 10
net.ipv4.tcp_keepalive_probes = 6
…

# 文件描述符限制
# vi /etc/security/limits.conf

rabbitmq soft nofile 65535
rabbitmq hard nofile 65535

# RabbitMQ高级配置
# vi /etc/rabbitmq/advanced.config

[
{rabbit, [
{tcp_listen_options, [
{backlog, 4096},
{nodelay, true},
{linger, {true, 0}},
{exit_on_close, false}
]},
{vm_memory_high_watermark, 0.6},
{disk_free_limit, {mem_relative, 1.5}},
{queue_index_embed_msgs_below, 4096}
]}
].