server_enhancements/init.lua

--Shows a message in chat when a player kills another player.
minetest.register_on_punchplayer(function(player, hitter, tool_capabilities, damage)
     local player_hit = player:get_player_name()
     local criminal = hitter:get_player_name()
     local murder_weapon = hitter:get_wielded_item():to_string()
     minetest.after(.1, function()
          local health = player:get_hp()
          if health == 0 then
               minetest.chat_send_all(criminal .. " killed " .. player_hit .. " with " .. murder_weapon .. ".")
          end
     end)
end)

--Shows a connecting message when someone is connecting.
minetest.register_on_prejoinplayer(function(name, ip)
     minetest.chat_send_all(name .." is connecting!")
end)

-- Server Reboot.
minetest.register_chatcommand("reboot", {
      description = "Warn players and reboot server",
      func = function(name, param)
			if minetest.check_player_privs(name, {server=true}) == true then
					minetest.chat_send_all("[Server] Rebooting in 1 minute!")
          minetest.after(10, function()
              minetest.chat_send_all("[Server] Rebooting in 50 seconds!")
          minetest.after(10, function()
              minetest.chat_send_all("[Server] Rebooting in 40 seconds!")
          minetest.after(10, function()
              minetest.chat_send_all("[Server] Rebooting in 30 seconds!")
          minetest.after(10, function()
              minetest.chat_send_all("[Server] Rebooting in 20 seconds!")
          minetest.after(10, function()
              minetest.chat_send_all("[Server] Rebooting in 10 seconds!")
					minetest.request_shutdown()
                    end)
                  end)
                end)
              end)
            end)
          end
				end
})