ldirectord: 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/sbin/ldirectord - from package: ldirectord

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

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