
sysctl.d(5) recommends prefixing all filenames in /etc/sysctl.d with a two-digit number and a dash, to simplify the ordering of the files. Some packages provide custom files, often with "50-" prefix. To ensure user-supplied configuration takes precedence over the one specified via `boot.kernel.sysctl`, prefix the file generated there with "60-".
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.