This page is for source code download, and you are supposedly using Ubuntu (newer than 12.04) or CentOS (newer 7)as your host OS.
Please execute the following command to update.
For Ubuntu system:

$ sudo apt-get update; sudo apt-get upgrade -y; sudo apt-get install -y wget git

For CentOS system:

$ sudo yum update -y; sudo yum install -y wget git


you can just do following step if you are updating the latest version.

$ git clone

Manual Download

Estuary             : git clone
Distro-repo         : git clone
Linux Kernel        : git clone 

More detail information about system setup, please refer to Estuary User Manual.
Overview introduction to this project, please refer to Estuary Overview.