btshowmetainfo.bittorrent: 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/bin/btshowmetainfo.bittorrent - from package: bittorrent

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