Download genesis file, if you need. Also be sure to verify the genesis sha256 checksum before starting your node.
Genesis Info
Instructions with terminal
wget -O $HOME/.realio-network/config/genesis.json "https://snapshot-at-1.genznodes.dev/realio/genesis.json"
shasum -a 256 $HOME/.realio-network/config/genesis.json
## output
c255d0a493ec596b9b7c29280989b7348681e195b8b092af96631c2bf235b1c8 ~/.realio-network/config/genesis.json