我安装的时候莫名的出现这2个错误
No Presto metadata available for rabbitmq-erlang
warning: /var/cache/yum/x86_64/7/rabbitmq-erlang/packages/erlang-20.3.8.8-1.el7.centos.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID 6026dfca: NOKEY
fiile /usr/lib64/erlang/releases/start_erl.data from install of erlang-20.3.8.8-1.el7.centos.x86_64 conflicts with file from package erlang-erts-R16B-03.18.el7.x86_64
Error Summary
a.我强制卸载这个包之后就可以了 rpm -e --nodeps erlang-erts-R16B-03.18.el7.x86_64
b.yum install erlang 就不会有问题了