chuck.alsa: 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/chuck.alsa - from package: chuck

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