Reading package lists... Done.
Building dependency tree... Done.
Reading state information... Done.
Package alien is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or.
İs only available from another Source.
E: Package 'alien' has no installation candidate.
Genişletmek için tıkla...
'Apt-get install alien' yazdıktan sonra bu hatayı veriyor, ne yapmam gerek?
