OpenWrt has the following ways to configure your device
http://lede). Not all devices with less than 8MB of Flash ROM have LuCi available, as LuCi requires about 1MB of flash space. LuCi is based on LUA and its a LEDE/OpenWrt own standard as well. You can also enable https for LuCi access. Not all options may be available in LuCi.
When using the command line or the web interface to modify values, all changes are staged and not saved to the file directly, so remember to save the changes after you have set them.