1. Install erlang Execute the following command as root yum install erlang yum install erlang xmlto 2. Install the epel source rpm -ivh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm wget -O /etc/yum.repos.d/epel-erlang.repo http://repos.fedorapeople.org/repos/peter/erlang/epel-erlang.repo Test whether the installation is successful; erl 3。wget https://www.rabbitmq.com/rabbitmq-release-signing-key.asc gpg --import rabbitmq-release-signing-key.asc 4，wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.4.1/rabbitmq-server-3.4.1-1.noarch.rpm yum install rabbitmq-server-3.4.1-1.noarch.rpm Test whether the installation is successful command: service rabbitmq-server start Error handling: 1, wget https://packages.erlang-solutions.com/erlangsolutions-1.0-1.noarch.rpm Report 404 error The specific instructions are as follows: I checked online and found that it was a DNS server error. So modify /etc/resolv.conf Add a nameserver 8.8.8.8 done # yum clean all # yum update Rename /lib/modules/2.6.x/kernel/net/ipv6 and reboot. 1 [root@localhost ~]# mv /lib/modules/2.6.x/kernel/net/ipv6 /lib/modules/2.6.x/kernel/net/ipv6.bak 2 [root@localhost ~]# init 6 2 Error when decompressing tar.gz file ［Sun@localhost Downloads］$ tar -zxvf clion-141.351.4.tar.gz gzip： stdin： not in gzip format tar： Child returned status 1 tar： Error is not recoverable： exiting now The reason is that this compressed package is not compressed in gzip format, so there is no need to add the z command ［Sun@localhost Downloads］$ tar -xvf clion-141.351.4.tar.gz that's it 3.yum install erlang Error: No package erlang available PS: Similarly, if the "No package nginx available" prompt appears when installing nginx, it is also solved by this method, which can be solved by installing the EPEL library. wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm wget -O /etc/yum.repos.d/epel-erlang.repo http://repos.fedorapeople.org/repos/peter/erlang/epel-erlang.repo //Install 4 wget https://www.rabbitmq.com/rabbitmq-release-signing-key.asc gpg --import rabbitmq-release-signing-key.asc 5. rabbitmq-server-3.4.1-1.noarch.rpm uses erlang R14B version If it is rabbitmq3.6 or above, you must use erlangR16B3 or above, and below 19.3 20 does not support, the official website says there is a change 6, the question: ERROR: epmd error for host "****": timeout (timed out establishing tcp connection) # vi /etc/rabbitmq/rabbitmq-env.conf NODENAME=rabbit@localhost Just write a sentence "NODENAME=rabbit@localhost" in the file, and it's OK to save it; # /sbin/service rabbitmq-server start Starting rabbitmq-server (via systemctl): [ 确定 ] Started successfully, the problem is solved!