
Some programs (notably the Java Runtime Environment) expect to be able to extract the name of the time zone from the target of the /etc/localtime symlink. That doesn't work if /etc/localtime is a symlink to /etc/static/localtime. So make it a direct symlink.
*** 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.