$ sudo apt-get install gtk2-engines-murrine:i386 libnss3-1d:i386
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package libnss3-1d:i386 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 'libnss3-1d:i386' has no installation candidate
Eu tentei sudo apt-get update
, mas não adiantou.