pyrpub: 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/pyrpub - from package: pyrite-publisher

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

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