error: https://packages.elastic.co/GPG-KEY-elasticsearch: import read failed(2).

安装filebeat报错：

curl: (35) SSL connect error
error: https://packages.elastic.co/GPG-KEY-elasticsearch: import read failed(2).

解决方案：

wget https://packages.elastic.co/GPG-KEY-elasticsearch --no-check-certificate

rpm --import GPG-KEY-elasticsearch