I've set up ssh access and installed fun_plug, giving me command-line, root-user access to the NAS. I now want to install NCDU in order to manage my storage space and see what directories tend to fill the NAS up. Unfortunately, I can't install it using apt-get:
root@dlink-019B49:/ffp/funpkg# apt-get install ncdu
-sh: apt-get: command not found
How should I proceed? Thanks.