Host old-or-dropbear
  HostName     192.168.1.254
  Port         22
  User         tomoyan
  GatewayPorts no
  ForwardAgent yes
  IdentityFile ~/.ssh/id_rsa_tomoyan-2023
  HostkeyAlgorithms +ssh-rsa
  PubkeyAcceptedAlgorithms +ssh-rsa