dvilualatex: 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/dvilualatex - from package: texlive-latex-base

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

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