drbl-website: 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/share/drbl/bin/drbl-website - from package: drbl

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

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