anchor.diff:      LC_COLLATE = "C"; # Use C style string sort.
     };
   
  -
     # Increase file handler limit.
     security.pam.loginLimits = [{
       domain = "*";
  
positive.code:       interval = "weekly";
      };
  
      # Decrease journal size
      journald.extraConfig = ''
        SystemMaxUse=500M
      '';
  
negative.code:       ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq"
      '';
    };
  
    # Enable zram to have better memory management.
    zramSwap = {
      enable = true;
      algorithm = "zstd";
    };
  }
  