timeout: 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/timeout - from package: coreutils

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

On Debian possible default full paths are:

/usr/bin/timeout - from package: coreutils

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

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