med-practice: 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/med-practice - from package: med-practice

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

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