OpenWRT and opkg - gilesorr.com
https://www.gilesorr.com/blog/openwrt-opkg.html01.01.2015 · Basic opkg usage: opkg list-installed tells you what packages are installed. opkg update must be run any time you want to install something: opkg loses its list of available packages over a reboot. opkg install python installs a package and its dependencies - in this case, it would probably break most WRT54Gs, because they don't have enough ...