munge: 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/munge - from package: munge

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

On Debian possible default full paths are:

/usr/bin/munge - from package: munge

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

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