ld10k1: 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/ld10k1 - from package: ld10k1

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

Error in other languages:
ld10k1: bevel nie gevind nie
ld10k1: comandă negăsită
ld10k1: comando não encontrado
ld10k1: commande introuvable
ld10k1: command not found
ld10k1: käsku ei ole
ld10k1: không tìm thấy lệnh
ld10k1: komanda nerasta
ld10k1: Kommando nicht gefunden.
ld10k1: kommandot finns inte
ld10k1: komut yok
ld10k1: nie znaleziono polecenia
ld10k1: níor aimsíodh an t-ordú
ld10k1: no se encontró la orden
ld10k1: no s'ha trobat l'ordre
ld10k1: opdracht niet gevonden
ld10k1: parancs nem található
ld10k1: perintah tidak ditemukan
ld10k1: príkaz nenájdený
ld10k1: příkaz nenalezen
ld10k1: команда не найдена
ld10k1: командата не е открита
ld10k1: 命令找不到
ld10k1: コマンドが見つかりません