rpload: 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/bin/rpload - from package: alpine

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

On Debian possible default full paths are:

/usr/bin/rpload - from package: alpine

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

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