Adding a server

Every database node runs on a server you add to Databasify. A server runs at most one database node. Go to Servers → Add server and choose Existing server, or choose New server at a provider to have Databasify order one (see Server providers).

Existing server over SSHCopy Anchor Link

1. Connection: enter the server's public IPv4 address, the SSH port (22 by default) and the SSH user (root by default). A user other than root needs passwordless sudo.
2. First sign-in: choose how Databasify signs in the first time.
   • Password: used once to install the Databasify SSH key, then forgotten.
   • SSH key: you add the Databasify public key yourself. The form shows the command to run on the server as the SSH user. After this, Databasify always uses its own key.
3. Turn off SSH password login: on by default and recommended. After setup, only SSH keys can sign in.
4. Private network: pick the network the server is on (see below).
5. Name the server and choose Add server.

Setup checks the operating system, updates packages, installs base tools and a pinned Docker version, and adds a 2 GB swap file when the server has less than 4 GB of memory and at least 6 GB of free disk. It takes 2 to 4 minutes. The server must run a supported operating system.

Private networkCopy Anchor Link

Standby and read-only nodes must share the primary's private network. Choose one of:

• An existing network, such as a provider VPC Databasify already knows.
• New network: a private range you already have (for example 10.0.1.0/24) and this server's private IP in it.
• New Databasify network: an encrypted WireGuard mesh that Databasify manages. It works across providers and takes an address block from 100.64.0.0/10.
• None: the server can only run single-node databases.

You can change the network on the server page while the server is not part of a database.

On the server pageCopy Anchor Link

• Terminal: a live root shell over SSH in the browser. It closes after 15 minutes without typing or when you leave the page.
• Linux users: add isolated users with their own home directory and no sudo access.
• Actions: refresh details, reboot, retry a failed setup, or delete the server. Deleting makes Databasify forget the server; for a provider server you can also destroy it at the provider.
• Activity: every change Databasify made on the server, with its output. See Activity logs.