pymetrics: 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/pymetrics - from package: pymetrics

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

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