diodmount: command not found

Have You tried accessing the binary with the full path?

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

[root@server ~]# echo $PATH

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/sbin/diodmount - from package: diod

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