• 安裝RabbitMQ的消息代理軟件,實現了AMQP(高級消息隊列協議)
• RabbitMQ 教程： http://www.rabbitmq.com/getstarted.html
• RabbitMQ 安裝：http://www.rabbitmq.com/download.html
• RabbitMQ 專欄：http://blog.csdn.net/column/details/rabbitmq.html

# Install from EPEL[root@vdevops~]# yum --enablerepo=epel -y install rabbitmq-server[root@vdevops~]# systemctl start rabbitmq-server[root@vdevops /]# journalctl -xeNov 12 01:30:01 vdevops.org CROND[3856]: (root) CMD (/usr/lib64/sa/sa1 1 1)Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: DIAGNOSTICSNov 12 01:30:04 vdevops.org rabbitmqctl[3831]: ===========Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: attempted to contact: [rabbit@vdevops]Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: rabbit@vdevops:Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: * unable to connect to epmd (port 4369) on vdevops: timeout (timed out)Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: current node details:Nov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - node name: rabbitmqctl3831@vdevopsNov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - home dir: /var/lib/rabbitmqNov 12 01:30:04 vdevops.org rabbitmqctl[3831]: - cookie hash: s++dDMtIhAufFItw+ercBw==Nov 12 01:30:04 vdevops.org polkitd[1007]: Unregistered Authentication Agent for unix-process:3798:36632 (system bus name :1.23, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected fNov 12 01:30:04 vdevops.org systemd[1]: rabbitmq-server.service: control process exited, code=exited status=2Nov 12 01:30:04 vdevops.org systemd[1]: Failed to start RabbitMQ broker.-- Subject: Unit rabbitmq-server.service has failed-- Defined-By: systemd-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel-- -- Unit rabbitmq-server.service has failed.-- -- The result is failed.Nov 12 01:30:04 vdevops.org systemd[1]: Unit rabbitmq-server.service entered failed state.Nov 12 01:30:04 vdevops.org systemd[1]: rabbitmq-server.service failed.Nov 12 01:30:42 vdevops.org systemd[1]: Got automount request for /proc/sys/fs/binfmt_misc, triggered by 3860 (find)Nov 12 01:30:42 vdevops.org systemd[1]: Mounting Arbitrary Executable File Formats File System...-- Subject: Unit proc-sys-fs-binfmt_misc.mount has begun start-up-- Defined-By: systemd-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel-- -- Unit proc-sys-fs-binfmt_misc.mount has begun starting up.Nov 12 01:30:42 vdevops.org systemd[1]: Mounted Arbitrary Executable File Formats File System.-- Subject: Unit proc-sys-fs-binfmt_misc.mount has finished start-up-- Defined-By: systemd-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel-- -- Unit proc-sys-fs-binfmt_misc.mount has finished starting up.-- -- The start-up result is done.

rabbitmq-server啟動報錯：Failed to start RabbitMQ broker

度娘解析：主機hostname配置錯誤，原本hostname為vdevops.org,更改為vdevops，修改hosts文件中hostname設置

[root@vdevops /]# hostnamectl set-hostname vdevops  # hostname更改重啟啟動rabbitmq-server[root@vdevops /]# systemctl status rabbitmq-server● rabbitmq-server.service - RabbitMQ broker   Loaded: loaded (/usr/lib/systemd/system/rabbitmq-server.service; disabled; vendor preset: disabled)   Active: active (running) since Sat 2016-11-12 01:32:41 CST; 3min 58s ago  Process: 3831 ExecStop=/usr/lib/rabbitmq/bin/rabbitmqctl stop (code=exited, status=2) Main PID: 3891 (beam)   CGroup: /system.slice/rabbitmq-server.service           ├─3891 /usr/lib64/erlang/erts-5.10.4/bin/beam -W w -K true -A30 -P 1048576 -- -root /usr/lib64/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/lib/rabbitmq/lib/rabbitmq_server-3.3.5/sbin/../ebin -nos...           ├─3908 /usr/lib64/erlang/erts-5.10.4/bin/epmd -daemon           ├─3963 inet_gethost 4           └─3964 inet_gethost 4Nov 12 01:32:39 vdevops systemd[1]: Starting RabbitMQ broker...Nov 12 01:32:39 vdevops systemd[1]: rabbitmq-server.service: Got notification message from PID 3908, but reception only permitted for main PID 3891Nov 12 01:32:40 vdevops rabbitmq-server[3891]: RabbitMQ 3.3.5. Copyright (C) 2007-2014 GoPivotal, Inc.Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##  ##      Licensed under the MPL.  See http://www.rabbitmq.com/Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##  ##Nov 12 01:32:40 vdevops rabbitmq-server[3891]: ##########  Logs: /var/log/rabbitmq/[email protected] 12 01:32:40 vdevops rabbitmq-server[3891]: ######  ##        /var/log/rabbitmq/[email protected] 12 01:32:40 vdevops rabbitmq-server[3891]: ##########Nov 12 01:32:41 vdevops systemd[1]: Started RabbitMQ broker.Nov 12 01:32:41 vdevops rabbitmq-server[3891]: Starting broker... completed with 0 plugins.[root@vdevops~]# systemctl enable rabbitmq-serverCreated symlink from /etc/systemd/system/multi-user.target.wants/rabbitmq-server.service to /usr/lib/systemd/system/rabbitmq-server.service.

[root@linuxprobe~]# firewall-cmd --add-port=5672/tcp --permanentsuccess[root@linuxprobe~]# firewall-cmd --reloadsuccess 

[root@vdevops ~]# rabbitmqctl add_user linuxprobe passwordCreating user "linuxprobe" ......done.[root@vdevops ~]# rabbitmqctl list_usersListing users ...guest   [administrator]linuxprobe  []...done.# granting admin role to a user is like follows[root@vdevops ~]# rabbitmqctl change_password linuxprobe strongpasswordChanging password for user "linuxprobe" ......done.# granting admin role to a user is like follows[root@vdevops ~]# rabbitmqctl set_user_tags linuxprobe administratorSetting tags for user "linuxprobe" to [administrator] ......done.# deleting a user is like follows[root@vdevops ~]# rabbitmqctl delete_user linuxprobe Deleting user "linuxprobe " ......done.

[root@vdevops ~]# rabbitmqctl add_vhost /my_vhostCreating vhost "/my_vhost" ......done.[root@vdevops ~]# rabbitmqctl list_vhosts Listing vhosts ...//my_vhost...done.[root@vdevops ~]# rabbitmqctl delete_vhost /my_vhostDeleting vhost "/my_vhost" ......done.

# rabbitmqctl set_permissions [-p vhost] [user] [permission ? (modify) (write) (read)][root@vdevops ~]# rabbitmqctl set_permissions -p /my_vhost linuxprobe ".*" ".*" ".*"Setting permissions for user "linuxprobe" in vhost "/my_vhost" ......done.# [root@vdevops ~]#  rabbitmqctl list_user_permissions linuxprobeListing permissions for user "linuxprobe" .../my_vhost   .*  .*  .*...done.# deleting permission of a specific user is like follows[root@vdevops ~]# rabbitmqctl clear_permissions -p /my_vhost linuxprobeClearing permissions for user "linuxprobe" in vhost "/my_vhost" ......done.

[root@vdevops ~]# rabbitmq-plugins enable rabbitmq_managementThe following plugins have been enabled:  mochiweb  webmachine  rabbitmq_web_dispatch  amqp_client  rabbitmq_management_agent  rabbitmq_managementPlugin configuration has changed. Restart RabbitMQ for changes to take effect.[root@vdevops ~]# systemctl restart rabbitmq-server

[root@localhost ~]# ll /usr/local/bin/rabbitmqadmin -rwxr-xr-x. 1 root root 36112 Nov 11 17:23 /usr/local/bin/rabbitmqadmin[root@vdevops bin]# rabbitmqadmin list users+------------+------------------------------+---------------+|    name    |        password_hash         |     tags      |+------------+------------------------------+---------------+| guest      | k2rhpzCrZBKkY5WRhUWrGm5DCkg= | administrator || linuxprobe | P+YxK1QXIYrJpek5i//rPjn5SME= | administrator |+------------+------------------------------+---------------+[root@vdevops bin]# cd[root@vdevops ~]# rabbitmqadmin list users+------------+------------------------------+---------------+|    name    |        password_hash         |     tags      |+------------+------------------------------+---------------+| guest      | k2rhpzCrZBKkY5WRhUWrGm5DCkg= | administrator || linuxprobe | P+YxK1QXIYrJpek5i//rPjn5SME= | administrator |+------------+------------------------------+---------------+[root@vdevops ~]# rabbitmqadmin list vhosts+-----------+---------+|   name    | tracing |+-----------+---------+| /         | False   || /my_vhost | False   |+-----------+---------+

[root@vdevops ~]# rabbitmqadmin declare user name=centos password=password tags=administrator user declared[root@vdevops ~]# rabbitmqadmin declare permission vhost=/vhost01 user=centos configure=".*" write=".*" read=".*" *** vhost_or_user_not_found[root@vdevops ~]# rabbitmqadmin declare vhost name=/vhost01 vhost declared[root@vdevops ~]# rabbitmqadmin declare permission vhost=/vhost01 user=centos configure=".*" write=".*" read=".*" permission declared[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password declare queue name=my_queue01 queue declared[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password publish routing_key=my_queue01 payload='Hello RabbitMQ World!' exchange=amq.default Message published[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password get queue=my_queue01 requeue=false+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+<>| routing_key | exchange | message_count |        payload        | payload_bytes | payload_encoding | properties | redelivered |+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+| my_queue01  |          | 0             | Hello RabbitMQ World! | 21            | string           |            | False       |+-------------+----------+---------------+-----------------------+---------------+------------------+------------+-------------+[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password publish routing_key=my_queue01 payload='Hello LinuxProbe!' exchange=amq.default Message published[root@vdevops ~]# rabbitmqadmin -V /vhost01 -u centos -p password get queue=my_queue01 requeue=false+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+| routing_key | exchange | message_count |      payload      | payload_bytes | payload_encoding | properties | redelivered |+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+| my_queue01  |          | 0             | Hello LinuxProbe! | 17            | string           |            | False       |+-------------+----------+---------------+-------------------+---------------+------------------+------------+-------------+