Package resolvconf 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

Package tor 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

Package dnsmasq 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:
dnsmasq-base

E: Package 'tor' has no installation candidate
E: Package 'resolvconf' has no installation candidate
E: Package 'dnsmasq' has no installation candidate
E: Unable to locate package polipo
E: Unable to locate package privoxy
E: Unable to locate package tor-arm
E: Unable to locate package libnotify-bin
E: Unable to locate package bleachbit
cp: cannot create regular file '/etc/polipo/config': No such file or directory
cp: cannot create regular file '/etc/privoxy/config': No such file or directory
cp: cannot create regular file '/etc/tor/torrc': No such file or directory