track-video-features: command not found

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/track-video-features - from package: mrpt-apps

You may install the required package with command apt-get install {package}

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