arden-analyze: 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
/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/arden-analyze - from package: arden

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