gen-oath-safe: 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/gen-oath-safe - from package: gen-oath-safe

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

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