eprimer32: 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/eprimer32 - from package: emboss

You may install the required package with command apt-get install {package}
Error in other languages:
eprimer32: bevel nie gevind nie
eprimer32: comandă negăsită
eprimer32: comando não encontrado
eprimer32: commande introuvable
eprimer32: command not found
eprimer32: käsku ei ole
eprimer32: không tìm thấy lệnh
eprimer32: komanda nerasta
eprimer32: Kommando nicht gefunden.
eprimer32: kommandot finns inte
eprimer32: komut yok
eprimer32: nie znaleziono polecenia
eprimer32: níor aimsíodh an t-ordú
eprimer32: no se encontró la orden
eprimer32: no s'ha trobat l'ordre
eprimer32: opdracht niet gevonden
eprimer32: parancs nem található
eprimer32: perintah tidak ditemukan
eprimer32: príkaz nenájdený
eprimer32: příkaz nenalezen
eprimer32: команда не найдена
eprimer32: командата не е открита
eprimer32: 命令找不到
eprimer32: コマンドが見つかりません