CentOS6 下安装RabbitMQ和ErLang
安装Erlang
yum自带源里的erlang版本太老，不能用
https://github.com/rabbitmq/erlang-rpm
这里有官方提供的源
To use Erlang 21.x on CentOS 7:
# In /etc/yum.repos.d/rabbitmq-erlang.repo
[rabbitmq-erlang]
name=rabbitmq-erlang
baseurl=https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/21/el/7
gpgcheck=1
gpgkey=https://dl.bintray.com/rabbitmq/Keys/rabbitmq-release-signing-key.asc
repo_gpgcheck=0
enabled=1
To use Erlang 21.x on CentOS 6:
# In /etc/yum.repos.d/rabbitmq-erlang.repo
[rabbitmq-erlang]
name=rabbitmq-erlang
baseurl=https://dl.bintray.com/rabbitmq-erlang/rpm/erlang/21/el/6
gpgcheck=1
gpgkey=https://dl.bintray.com/rabbitmq/Keys/rabbitmq-release-signing-key.asc
repo_gpgcheck=0
enabled=1
然后
yum makecache
yum install erlang
由于我之前装了老版本，导致新版本现在装不上，还报了一堆错误
conflicts with file from package erlang-erts-R14B-04.3.el6.x86_64
用yum list installed看一下装了多少erlang的库，我去，2、30个……
yum erase 好像不支持通配符，一个个删麻烦
用shell搞定
yum list installed | grep -o -P '^erlang(.+?)(?=\.)' | xargs yum -y erase
grep -o 表示只显示匹配到的部分
grep -P 表示使用Perl正则，-E不支持零宽断言
然后就可以顺利安装erlang新版本了
安装RabbitMQ
这个很简单，直接下载rpm安装即可，如果需要依赖，先yum install
这里可以下载 https://www.rabbitmq.com/install-rpm.html#downloads
或是在线安装
CentOS6
rpm -ivh https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.7.14/rabbitmq-server-3.7.14-1.el6.noarch.rpm
CentOS7
rpm -ivh https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.7.14/rabbitmq-server-3.7.14-1.el7.noarch.rpm
Run RabbitMQ Server
#设置为自动启动
chkconfig rabbitmq-server on
#启动服务
/sbin/service rabbitmq-server start
#停止服务
/sbin/service rabbitmq-server stop