neutron-debug: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/neutron-debug - from package: neutron-common

You may install the required package with command apt-get install {package}

Error in other languages:
neutron-debug: bevel nie gevind nie
neutron-debug: comandă negăsită
neutron-debug: comando não encontrado
neutron-debug: commande introuvable
neutron-debug: command not found
neutron-debug: käsku ei ole
neutron-debug: không tìm thấy lệnh
neutron-debug: komanda nerasta
neutron-debug: Kommando nicht gefunden.
neutron-debug: kommandot finns inte
neutron-debug: komut yok
neutron-debug: nie znaleziono polecenia
neutron-debug: níor aimsíodh an t-ordú
neutron-debug: no se encontró la orden
neutron-debug: no s'ha trobat l'ordre
neutron-debug: opdracht niet gevonden
neutron-debug: parancs nem található
neutron-debug: perintah tidak ditemukan
neutron-debug: príkaz nenájdený
neutron-debug: příkaz nenalezen
neutron-debug: команда не найдена
neutron-debug: командата не е открита
neutron-debug: 命令找不到
neutron-debug: コマンドが見つかりません