1.x 升级 2.x
sudo service elasticsearch stophttps://www.elastic.co/downloads/past-releaseswget https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/2.3.5/elasticsearch-2.3.5.debsudo dpkg -i elasticsearch-2.3.5.debsudo dpkg -r elasticsearch
sudo vi /etc/elasticsearch/elasticsearch.ymlcluster.name: elasticsearch_qas
network.host: xx.xx.xxLast updated