primitivus: 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
/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/primitivus - from package: sat-xmpp-primitivus

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