youget: 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 CentOS possible default full paths are:

/usr/bin/youget - from package: mrepo

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