lbdbq: 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/lbdbq - from package: lbdb

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