av7110_loadkeys: 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/av7110_loadkeys - from package: dvb-apps

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

Error in other languages:
av7110_loadkeys: bevel nie gevind nie
av7110_loadkeys: comandă negăsită
av7110_loadkeys: comando não encontrado
av7110_loadkeys: commande introuvable
av7110_loadkeys: command not found
av7110_loadkeys: käsku ei ole
av7110_loadkeys: không tìm thấy lệnh
av7110_loadkeys: komanda nerasta
av7110_loadkeys: Kommando nicht gefunden.
av7110_loadkeys: kommandot finns inte
av7110_loadkeys: komut yok
av7110_loadkeys: nie znaleziono polecenia
av7110_loadkeys: níor aimsíodh an t-ordú
av7110_loadkeys: no se encontró la orden
av7110_loadkeys: no s'ha trobat l'ordre
av7110_loadkeys: opdracht niet gevonden
av7110_loadkeys: parancs nem található
av7110_loadkeys: perintah tidak ditemukan
av7110_loadkeys: príkaz nenájdený
av7110_loadkeys: příkaz nenalezen
av7110_loadkeys: команда не найдена
av7110_loadkeys: командата не е открита
av7110_loadkeys: 命令找不到
av7110_loadkeys: コマンドが見つかりません