accept-flake-config = true
experimental-features = nix-command flakes
post-build-hook = /etc/nix/upload-to-cache.sh
trusted-users = root htran hungtran hwtr
max-jobs = 8
cores = 12
# default is true for Linux, false for every one else 
# https://nixos.org/manual/nix/stable/command-ref/conf-file.html#conf-sandbox
sandbox = true