mythtv_recording_soon: 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/mythtv_recording_soon - from package: mythtv-status

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

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