How to Install RabbitMQ in Ubuntu

Before installing rabbitmq, upgrade the system using the following command.

root@linuxhelp:/home/user1/Desktop# apt-get update
Hit:1 http://in.archive.ubuntu.com/ubuntu xenial InRelease
Get:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]
Get:3 http://in.archive.ubuntu.com/ubuntu xenial-updates InRelease [95.7 kB]
Hit:4 http://in.archive.ubuntu.com/ubuntu xenial-backports InRelease  
...
...
Get:45 http://in.archive.ubuntu.com/ubuntu xenial-backports/multiverse amd64 DEP-11 Metadata [194 B]                                                                                                       
Fetched 10.3 MB in 1min 54s (89.8 kB/s)                                                                                                                                                                    
Reading package lists... Done

root@linuxhelp:/home/user1/Desktop# apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
...
...
Setting up unity (7.4.0+16.04.20160526.1-0ubuntu1) ...
Processing triggers for dbus (1.10.6-1ubuntu3) ...
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Processing triggers for initramfs-tools (0.122ubuntu8.1) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic

Install the dependency package for rabbitmq.

root@linuxhelp:/home/user1/Desktop# apt-get install erlang
Reading package lists... Done
Building dependency tree       
Reading state information... Done
...
...
Setting up default-jre-headless (2:1.8-56ubuntu2) ...
Setting up erlang-jinterface (1:18.3-dfsg-1ubuntu3) ...
Setting up erlang-ic-java (1:18.3-dfsg-1ubuntu3) ...
Processing triggers for libc-bin (2.23-0ubuntu3) ...

And now install the rabbitmq-server

root@linuxhelp:/home/user1/Desktop# apt-get install rabbitmq-server
Reading package lists... Done
Building dependency tree       
Reading state information... Done
...
...
Adding system user `rabbitmq'  (UID 122) ...
Adding new user `rabbitmq'  (UID 122) with group `rabbitmq'  ...
Not creating home directory `/var/lib/rabbitmq' .
Processing triggers for systemd (229-4ubuntu6) ...
Processing triggers for ureadahead (0.100.0-19) ...

Enable and start the service.

root@linuxhelp:/home/user1/Desktop# systemctl enable rabbitmq-server
Synchronizing state of rabbitmq-server.service with SysV init with /lib/systemd/systemd-sysv-install...
Executing /lib/systemd/systemd-sysv-install enable rabbitmq-server

root@linuxhelp:/home/user1/Desktop# systemctl start rabbitmq-server
root@linuxhelp:/home/user1/Desktop# systemctl status rabbitmq-server
   rabbitmq-server.service - RabbitMQ Messaging Server
   Loaded: loaded (/lib/systemd/system/rabbitmq-server.service  enabled  vendor preset: enabled)
   Active: active (running) since Fri 2016-07-15 17:33:09 IST  1min 36s ago
 Main PID: 28905 (rabbitmq-server)
   CGroup: /system.slice/rabbitmq-server.service
           +-28905 /bin/sh /usr/sbin/rabbitmq-server
           +-28914 /bin/sh -e /usr/lib/rabbitmq/bin/rabbitmq-server
           +-28988 /usr/lib/erlang/erts-7.3/bin/epmd -daemon
           +-29033 /usr/lib/erlang/erts-7.3/bin/beam -W w -A 64 -P 1048576 -K true -B i -- -root /usr/lib/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/lib/rabbitmq/lib/rabbitmq_server-3.5.7
           +-29116 inet_gethost 4
           +-29117 inet_gethost 4

Jul 15 17:33:07 linuxhelp systemd[1]: Starting RabbitMQ Messaging Server...
Jul 15 17:33:08 linuxhelp rabbitmq[28906]: Waiting for rabbit@linuxhelp ...
Jul 15 17:33:08 linuxhelp rabbitmq[28906]: pid is 28914 ...
Jul 15 17:33:09 linuxhelp systemd[1]: Started RabbitMQ Messaging Server.
Jul 15 17:34:32 linuxhelp systemd[1]: Started RabbitMQ Messaging Server.

Now enable the rabbitmq web management console

root@linuxhelp:/home/user1/Desktop# rabbitmq-plugins enable rabbitmq_management    
The following plugins have been enabled:
  mochiweb
  webmachine
  rabbitmq_web_dispatch
  amqp_client
  rabbitmq_management_agent
  rabbitmq_management

Applying plugin configuration to rabbit@linuxhelp... started 6 plugins.

Create Admin user and set password.

root@linuxhelp:/home/user1/Desktop# rabbitmqctl add_user admin admin
Creating user " admin"  ...
root@linuxhelp:/home/user1/Desktop# rabbitmqctl set_user_tags admin administrator
Setting tags for user " admin"  to [administrator] ...
Set permission for the admin user.
root@linuxhelp:/home/user1/Desktop# rabbitmqctl set_permissions -p / admin " .*"  " .*"  " .*" 
Setting permissions for user " admin"  in vhost " /"  ...