터미널에서도 kali linux에 아무것도 설치할 수 없는 문제를 해결하는 방법 무엇이든 명령하려고 할 때의 모습입니다.

root@kali:~# apt-get install dropbox.deb
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package dropbox.deb
E: Couldn't find any package by glob 'dropbox.deb'
E: Couldn't find any package by regex 'dropbox.deb'
root@kali:~# apt-get install gdebi
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package gdebi is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gdebi' has no installation candidate