oarresume: 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/oarresume - from package: oar-user

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

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