euare-userenablemfadevice: 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/euare-userenablemfadevice - from package: euca2ools

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

On Debian possible default full paths are:

/usr/bin/euare-userenablemfadevice - from package: euca2ools

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

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