NVIDIA Custom miner configuration for GeekCash, just do as on image:
Miner name: geekminer
Installation URL: http://files.miner.ninja/geekminer.tar.gz
Hash algorithm: geek
Wallet and worker template: %WAL%
Pool URL: stratum+tcp://geek.miner.ninja:5555
Pass: x
Extra config arguments: -i 21
AMD Custom miner configuration for GeekCash
Miner name: sgminer_geek
Installation URL: http://files.miner.ninja/sgminer_geek.tar.gz
Hash algorithm: geek
Wallet and worker template: %WAL%
Pool URL: stratum+tcp://geek.miner.ninja:5555
Pass: x
Extra config arguments: -g 2
Original manual in Russian language:
https://golos.io/bitcoin/@crypto-man/kak-mainit-geekcash-na-hiveos