Check if rabbitmq run on your host

1. package checking 

(venv) cuda@desktop-sh:~/celery_demo$ dpkg -l |grep -i rabbitmq
ii  rabbitmq-server                                3.6.10-1                                          all          AMQP server written in Erlang
(venv) cuda@desktop-sh:~/celery_demo$

2. service checking

(venv) cuda@desktop-sh:~/celery_demo$ sudo systemctl status rabbitmq-server.service 
● rabbitmq-server.service - RabbitMQ Messaging Server
   Loaded: loaded (/lib/systemd/system/rabbitmq-server.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2019-08-05 10:18:09 CST; 1 day 1h ago
 Main PID: 1444 (rabbitmq-server)
    Tasks: 164 (limit: 4915)
   CGroup: /system.slice/rabbitmq-server.service
           ├─1444 /bin/sh /usr/sbin/rabbitmq-server
           ├─1525 /bin/sh /usr/lib/rabbitmq/bin/rabbitmq-server
           ├─1939 /usr/lib/erlang/erts-9.2/bin/epmd -daemon
           ├─2249 /usr/lib/erlang/erts-9.2/bin/beam.smp -W w -A 128 -P 1048576 -t 5000000 -stbt db -zdbbl 32000 -K true -B i -- -root /usr/lib/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/l
           ├─2438 erl_child_setup 65536
           ├─3106 inet_gethost 4
           └─3107 inet_gethost 4

Aug 05 10:17:14 desktop-sh systemd[1]: Starting RabbitMQ Messaging Server...
Aug 05 10:17:34 desktop-sh rabbitmq[1446]: Waiting for 'rabbit@desktop-sh'
Aug 05 10:17:34 desktop-sh rabbitmq[1446]: pid is 1525
Aug 05 10:18:09 desktop-sh systemd[1]: Started RabbitMQ Messaging Server.
lines 1-18/18 (END)

3. network port checking 

(venv) cuda@desktop-sh:~/celery_demo$ ss -n -l -a |grep -i 5672
u_str            ESTAB                  0                   0                                                                             @/tmp/dbus-iHO5fwv9Bf 256729                                                     * 257329             
u_str            ESTAB                  0                   0                                                                                                 * 257329                                                     * 256729             
u_str            ESTAB                  0                   0                                                                                                 * 258720                                                     * 256721             
u_str            ESTAB                  0                   0                                                                             @/tmp/dbus-iHO5fwv9Bf 256721                                                     * 258720             
tcp              LISTEN                 0                   128                                                                                         0.0.0.0:15672                                                0.0.0.0:*                  
tcp              LISTEN                 0                   128                                                                                         0.0.0.0:25672                                                0.0.0.0:*                  
tcp              LISTEN                 0                   128                                                                                               *:5672                                                       *:*                  
(venv) cuda@desktop-sh:~/celery_demo$ 

4. others methods 

sudo lsof -i |grep -i 5672 

cuda@desktop-sh:~/celery_demo$ sudo nmap -p 5672 127.0.0.1

Starting Nmap 7.60 ( https://nmap.org ) at 2019-08-06 13:47 CST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.000041s latency).

PORT     STATE SERVICE
5672/tcp open  amqp

Nmap done: 1 IP address (1 host up) scanned in 0.32 seconds
cuda@desktop-sh:~/celery_demo$