Step 1Install Nix
Using your non-root user:
bash <(curl -L https://nixos.org/nix/install)
Step 2Install Cachix client
nix-env -iA cachix -f https://cachix.org/api/v1/install
Step 3Start using the binary cache
Following will configure nix.conf with your binary cache URL and its public key:
cachix use sn0wm1x
Nix commands will use the cache:
$ nix-build
copying path '/nix/store/n1gwpmvmcgsbnr0a8ncflhvc59db775h-myproject-1.0.0' from 'https://sn0wm1x.cachix.org
...