Mengatasi Pesan Error Di Terminal Ubuntu

Cara mengatasi pesan error diterminal ubuntu

Jika ada pesan tersebut diterminal ubuntu anda'
 
"ignoring 'get deb.list.bck in directory 'etc/apt/sources.list.d' as it has invalid filename extension. What is the correct extension?

Coba anda lakukan hal ini diterminal ubuntu anda

sudo find /etc/apt/sources.list.d/ -type f -name "*.bck" -exec mv {} ~/Desktop \;