config system option hostname OpenWrt option timezone UTC config timeserver list server 0.openwrt.pool.ntp.org list server 1.openwrt.pool.ntp.org list server 2.openwrt.pool.ntp.org list server 3.openwrt.pool.ntp.org config button option button reset option action released option handler "logger reboot" option min 0 option max 4 config button option button reset option action released option handler "logger factory default" option min 5 option max 30