rpld-ctl: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH

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/bin/rpld-ctl - from package: roarplaylistd-tools

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