dh_movefiles: 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/dh_movefiles - from package: debhelper

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

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