dgord: 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/dgord - from package: ptscotch

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