Error: open /home/dyno/.ssh/known_hosts: no such file or directory

[owenthereal]

Upterm errors out if known_hosts doesn't exist:

./build/upterm host -- bash
Error: open /home/dyno/.ssh/known_hosts: no such file or directory
Usage:
  upterm host [flags]

Examples:
  # Host a terminal session that runs $SHELL with
  # client's input/output attaching to the host's
  upterm host

  # Host a terminal session that only allows specified public key(s) to connect
  $ upterm host --authorized-key PATH_TO_PUBLIC_KEY

  # Host a session with a custom command.
  upterm host -- docker run --rm -ti ubuntu bash

  # Host a session that runs 'tmux new -t pair-programming' and
  # force clients to join with 'tmux attach -t pair-programming'.
  # This is similar to tmate.
  upterm host --force-command 'tmux attach -t pair-programming' -- tmux new -t pair-programming

  # Use a different Uptermd server and host a session via WebSocket
  upterm host --server wss://YOUR_UPTERMD_SERVER -- YOUR_COMMAND

Flags:
  -a, --authorized-key string   an authorized_keys file that lists public keys that are permitted to connect.
  -f, --force-command string    force execution of a command and attach its input/output to client's.
  -h, --help                    help for host
      --known-hosts string      a file contains the known keys for remote hosts (required). (default "/home/dyno/.ssh/known_hosts")
  -i, --private-key strings     private key for public key authentication against the upterm server (required). (default [/home/dyno/.ssh/id_rsa])
  -r, --read-only               host a read-only session. Clients won't be able to interact.
      --server string           upterm server address (required), supported protocols are shh, ws, or wss. (default "ssh://uptermd.upterm.dev:22")

FATA[0000] open /home/dyno/.ssh/known_hosts: no such file or directory