openwrt module compilation and opkg application

module compilation

Openwrt compilation is generally make V=s to compile the entire firmware. If you need to compile a module, you can use

make package/xxx/clean
make package/xxx/compile
make package/xxx/install

(XXX stands for your module). This is convenient and saves time.
Compile luci-app application

If it is a luci application, compile it separately:

make package/feeds/luci/luci-app-xxx/clean
make package/feeds/luci/luci-app-xxx/compile
make package/install
make target/install

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opkg application

Development board installation pack

opkg install helloworld_1_ramips_24kec.ipk

View installed packs

opkg list_installed

delete pack

opkg remove helloworld_1_ramips_24kec.ipk