gozerbot-udp: 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/gozerbot-udp - from package: gozerbot

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

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