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  • Erlang&RabbitMQ服务安装配置

          RabbitMQ是流行的开源消息队列系统,是AMQP(Advanced Message Queuing Protocol高级消息队列协议)的标准实现,用erlang语言开发。RabbitMQ据说具有良好的性能和时效性,同时还能够非常好的支持集群和负载部署,非常适合在较大规模的分布式系统中使用,具体特性还在验证中,待检验。由于项目需要,安装并配置了RabbitMQ,服务器操作系统是CentOS7,服务器是阿里云主机。具体步骤如下:

      安装依赖文件:

      yum install gcc glibc-devel make ncurses-devel openssl-devel xmlto

      1.Erlang安装配置

      下载安装包,地址http://www.erlang.org/downloads,我选择的是otp_src_18.3.tar.gz。

      然后解压文件:

    [root@iZ25e3bt9a6Z rabbitmq]# tar -xzvf otp_src_18.3.tar.gz
    [root@iZ25e3bt9a6Z rabbitmq]# cd otp_src_18.3/

      配置安装路径编译代码:

    [root@iZ25e3bt9a6Z otp_src_18.3]# ./configure --prefix=/opt/erlang

      执行编译结果:

    [root@iZ25e3bt9a6Z otp_src_18.3]# make && make install

      完成后进入/opt/erlang查看执行结果

    [root@iZ25e3bt9a6Z rabbitmq]# cd /opt/erlang/
    [root@iZ25e3bt9a6Z erlang]# erl
    Erlang/OTP 18 [erts-7.3] [source] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false]
    
    Eshell V7.3  (abort with ^G)
    1> 

      当出现以上信息时表示安装完成。然后输入’halt().’退出即可。

      然后在配置Erlang环境变量,vi /etc/profile文件,增加下面的环境变量:

    #set erlang environment
    export PATH=$PATH:/opt/erlang/bin

      source  /etc/profile使得文件生效

      在安装Erlang过程中,可能会遇到以下问题,一般都是因为系统中缺少相应的包引起的,缺少什么包直接yum安装即可。

      2.下载安装RabbitMq

    [root@iZ25e3bt9a6Z rabbitmq]# weget http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.1/rabbitmq-server-generic-unix-3.6.1.tar.xz

      解压文件

    [root@iZ25e3bt9a6Z rabbitmq]# xz -d rabbitmq-server-generic-unix-3.6.1.tar.xz
    [root@iZ25e3bt9a6Z rabbitmq]# tar -xvf rabbitmq-server-generic-unix-3.6.1.tar  -C /opt

      解压后进入文件夹/opt发现多了个文件夹rabbitmq-server-generic-unix-3.6.1 ,重命名为rabbitmq以便记忆。

      然后在配置rabbitmq环境变量,vi /etc/profile文件,增加下面的环境变量:

    #set rabbitmq environment
    export PATH=$PATH:/opt/rabbitmq/sbin

      source  /etc/profile使得文件生效

      3.RabbitMQ服务启动关闭

      以上就已经完成了RabbitMq的安装,怎么启动服务呢?

      启动服务:

    [root@iZ25e3bt9a6Z rabbitmq]# cd sbin/
    [root@iZ25e3bt9a6Z sbin]# ./rabbitmq-server -detached

      查看服务状态:

    复制代码
    [root@iZ25e3bt9a6Z sbin]# ./rabbitmqctl status
    Status of node rabbit@iZ25e3bt9a6Z ...
    [{pid,11849},
     {running_applications,
         [{rabbitmq_management,"RabbitMQ Management Console","3.6.1"},
          {rabbitmq_management_agent,"RabbitMQ Management Agent","3.6.1"},
          {rabbitmq_web_dispatch,"RabbitMQ Web Dispatcher","3.6.1"},
          {webmachine,"webmachine","1.10.3"},
          {amqp_client,"RabbitMQ AMQP Client","3.6.1"},
          {mochiweb,"MochiMedia Web Server","2.13.0"},
          {syntax_tools,"Syntax tools","1.7"},
          {ssl,"Erlang/OTP SSL application","7.3"},
          {public_key,"Public key infrastructure","1.1.1"},
          {asn1,"The Erlang ASN1 compiler version 4.0.2","4.0.2"},
          {crypto,"CRYPTO","3.6.3"},
          {compiler,"ERTS  CXC 138 10","6.0.3"},
          {inets,"INETS  CXC 138 49","6.2"},
          {rabbit,"RabbitMQ","3.6.1"},
          {mnesia,"MNESIA  CXC 138 12","4.13.3"},
          {rabbit_common,[],"3.6.1"},
          {xmerl,"XML parser","1.3.10"},
          {os_mon,"CPO  CXC 138 46","2.4"},
          {ranch,"Socket acceptor pool for TCP protocols.","1.2.1"},
          {sasl,"SASL  CXC 138 11","2.7"},
          {stdlib,"ERTS  CXC 138 10","2.8"},
          {kernel,"ERTS  CXC 138 10","4.2"}]},
     {os,{unix,linux}},
     {erlang_version,
         "Erlang/OTP 18 [erts-7.3] [source] [64-bit] [smp:8:8] [async-threads:64] [hipe] [kernel-poll:true]
    "},
     {memory,
         [{total,64111264},
          {connection_readers,0},
          {connection_writers,0},
          {connection_channels,0},
          {connection_other,2808},
          {queue_procs,2808},
          {queue_slave_procs,0},
          {plugins,367288},
          {other_proc,19041296},
          {mnesia,61720},
          {mgmt_db,158696},
          {msg_index,47120},
          {other_ets,1372440},
          {binary,128216},
          {code,27368230},
          {atom,992409},
          {other_system,14568233}]},
     {alarms,[]},
     {listeners,[{clustering,25672,"::"},{amqp,5672,"::"}]},
     {vm_memory_high_watermark,0.4},
     {vm_memory_limit,6556241100},
     {disk_free_limit,50000000},
     {disk_free,37431123968},
     {file_descriptors,
         [{total_limit,65435},
          {total_used,2},
          {sockets_limit,58889},
          {sockets_used,0}]},
     {processes,[{limit,1048576},{used,204}]},
     {run_queue,0},
     {uptime,412681},
     {kernel,{net_ticktime,60}}]
    复制代码

      关闭服务:

    [root@iZ25e3bt9a6Z sbin]# ./rabbitmqctl stop
    Stopping and halting node rabbit@iZ25e3bt9a6Z ...

      4. 配置网页插件

      首先创建目录,否则可能报错:

    mkdir /etc/rabbitmq 
    

      然后启用插件:

    ./rabbitmq-plugins enable rabbitmq_management 

      配置linux 端口 15672 网页管理  5672 AMQP端口
      然后访问http://localhost:15672即可 

      默认用户guest 密码guest

      

      5. 远程访问配置

      默认网页是不允许访问的,需要增加一个用户修改一下权限,代码如下:

      添加用户:rabbitmqctl add_user hxb hxb

      添加权限:rabbitmqctl set_permissions -p "/" hxb ".*" ".*" ".*"

          修改用户角色rabbitmqctl set_user_tags hxb administrator

      然后就可以远程访问了,然后可直接配置用户权限等信息。

      

      6. rabbitmq常用命令

      add_user        <UserName> <Password>

      delete_user     <UserName>

      change_password <UserName> <NewPassword>

      list_users

      add_vhost    <VHostPath>

      delete_vhost <VHostPath>

      list_vhostsset_permissions   [-p <VHostPath>] <UserName> <Regexp> <Regexp> <Regexp>

      clear_permissions [-p <VHostPath>] <UserName>

      list_permissions  [-p <VHostPath>]

      list_user_permissions <UserName>

      list_queues    [-p <VHostPath>] [<QueueInfoItem> ...]

      list_exchanges [-p <VHostPath>] [<ExchangeInfoItem> ...]

      list_bindings  [-p <VHostPath>]

      list_connections [<ConnectionInfoItem> ...]

    载自[http://www.cnblogs.com/silent2012/]

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  • 原文地址:https://www.cnblogs.com/weidongprefer/p/5978797.html
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