If you install Perl somehow (and symlink
/usr/bin/perl, if it isn't there), it should work.
In some very minimal environments, that might not be that easy. For me (on a QNAP), I had qpkg available and I could install qpkg packages via the admin webinterface. That allowed me to install ipkg, which is a common package manager which might be available for your system, too.
Via ipkg, you can install Perl (
ipkg install perl). For the debootstrap script, you need to have
/usr/bin/perl symlinked to your Perl installation, which might be
On my system,
ar was also missing and needed for debootstrap. Via ipkg, you can install binutils, which contains that package (just to be sure, I again symlinked that to
Some helpful discussion (with the ipkg tips) was here.