Я нахожусь на Xubuntu / Ubuntu 16.04 и пытаюсь установить libssl0.9.8:
sudo apt-get install libssl0.9.8
Ошибка:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package libssl0.9.8 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 'libssl0.9.8' has no installation candidate