dottup: 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/dottup - from package: emboss

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