cnfsheadconf: 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/lib/news/bin/cnfsheadconf - from package: inn2

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

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