cadubi: 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/cadubi - from package: cadubi

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

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