Elasticsearch is a tool similar to a database used for searching. It is very efficient under a large number of search conditions and can be directly regarded as a database.
1. Open the official website Download Elasticsearch | Elastic , download the historical version
Here I choose 7.6.1
Then click linux sha to download. Here I use Thunder to download to the local, and then use Xftp to upload to Linux
After downloading, I uploaded to /usr/local/es directory
2. Unzip elasticsearch7.6
tar -zxvf elasticsearch-7.6.1-linux-x8