random4.lut: 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/lib/eso-midas/13SEP/systab/bin/random4.lut - from package: eso-midas

You may install the required package with command apt-get install {package}
Error in other languages:
random4.lut: bevel nie gevind nie
random4.lut: comandă negăsită
random4.lut: comando não encontrado
random4.lut: commande introuvable
random4.lut: command not found
random4.lut: käsku ei ole
random4.lut: không tìm thấy lệnh
random4.lut: komanda nerasta
random4.lut: Kommando nicht gefunden.
random4.lut: kommandot finns inte
random4.lut: komut yok
random4.lut: nie znaleziono polecenia
random4.lut: níor aimsíodh an t-ordú
random4.lut: no se encontró la orden
random4.lut: no s'ha trobat l'ordre
random4.lut: opdracht niet gevonden
random4.lut: parancs nem található
random4.lut: perintah tidak ditemukan
random4.lut: príkaz nenájdený
random4.lut: příkaz nenalezen
random4.lut: команда не найдена
random4.lut: командата не е открита
random4.lut: 命令找不到
random4.lut: コマンドが見つかりません