testMPEG1or2VideoStreamer: 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/testMPEG1or2VideoStreamer - from package: livemedia-utils

You may install the required package with command apt-get install {package}
Error in other languages:
testMPEG1or2VideoStreamer: bevel nie gevind nie
testMPEG1or2VideoStreamer: comandă negăsită
testMPEG1or2VideoStreamer: comando não encontrado
testMPEG1or2VideoStreamer: commande introuvable
testMPEG1or2VideoStreamer: command not found
testMPEG1or2VideoStreamer: käsku ei ole
testMPEG1or2VideoStreamer: không tìm thấy lệnh
testMPEG1or2VideoStreamer: komanda nerasta
testMPEG1or2VideoStreamer: Kommando nicht gefunden.
testMPEG1or2VideoStreamer: kommandot finns inte
testMPEG1or2VideoStreamer: komut yok
testMPEG1or2VideoStreamer: nie znaleziono polecenia
testMPEG1or2VideoStreamer: níor aimsíodh an t-ordú
testMPEG1or2VideoStreamer: no se encontró la orden
testMPEG1or2VideoStreamer: no s'ha trobat l'ordre
testMPEG1or2VideoStreamer: opdracht niet gevonden
testMPEG1or2VideoStreamer: parancs nem található
testMPEG1or2VideoStreamer: perintah tidak ditemukan
testMPEG1or2VideoStreamer: príkaz nenájdený
testMPEG1or2VideoStreamer: příkaz nenalezen
testMPEG1or2VideoStreamer: команда не найдена
testMPEG1or2VideoStreamer: командата не е открита
testMPEG1or2VideoStreamer: 命令找不到
testMPEG1or2VideoStreamer: コマンドが見つかりません