doesn't work if sudo command is missing

[lucagiove]

INSTALL net packages? [Y/n] y
[root@10.8.1.22] out: bash: sudo: command not found
[root@10.8.1.22] out:

Fatal error: sudo() received nonzero return code 127 while executing!

Requested: apt-get install ethtool iproute iputils-arping iftop iptraf iperf bmon tcpdump nmap netcat whois traceroute
Executed: sudo -S -p 'sudo password:' /bin/bash -l -c "apt-get install ethtool iproute iputils-arping iftop iptraf iperf bmon tcpdump nmap netcat whois traceroute"

[lucagiove]

this is a turnkey linux not sure whether is a "normal" debian