arora: 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/arora - from package: arora

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

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