Como instalar o ia32-libs? [duplicado]

Question

Hoje atualizei de 13 a 14 de outubro. Então, sudo apt-get autoremove removeu todos os pacotes de 32 bits.

Como recuperá-los? Como faço para instalar o ia32-libs novamente?

Isso é o que eu recebo quando tento instalá-los de volta:

output$ sudo apt-get install ia32-libs
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package ia32-libs 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
However the following packages replace it:
  lib32z1 lib32ncurses5 lib32bz2-1.0

E: Package 'ia32-libs' has no installation candidate