clc-update-customized-images: 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 CentOS possible default full paths are:

/usr/sbin/clc-update-customized-images - from package: common-lisp-controller

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/sbin/clc-update-customized-images - from package: common-lisp-controller

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

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