pegasus-dax-validator: 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/bin/pegasus-dax-validator - from package: pegasus-wms

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

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