dunecontrol: 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/dunecontrol - from package: libdune-common-dev

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

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