A modern system requires access to a multitude of secrets: database
credentials, API keys for external services, credentials for service-oriented
architecture communication, etc. Understanding who is accessing what secrets
is already very difficult and platform-specific. Adding on key rolling,
secure storage, and detailed audit logs is almost impossible without a custom
solution. This is where Vault steps in.
For versions of Ubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf), as well as Ubuntu flavours that don’t include snap by default, snap can be installed from the Ubuntu Software Centre by searching for snapd.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To install vault, simply use the following command: