dh_ucf: 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_ucf - from package: debhelper

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

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