bacula-dir: command not found

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/debug/usr/sbin/bacula-dir - from package: bacula-director-mysql-dbg
/usr/lib/debug/usr/sbin/bacula-dir - from package: bacula-director-pgsql-dbg
/usr/lib/debug/usr/sbin/bacula-dir - from package: bacula-director-sqlite3-dbg
/usr/sbin/bacula-dir - from package: bacula-director-mysql
/usr/sbin/bacula-dir - from package: bacula-director-pgsql
/usr/sbin/bacula-dir - from package: bacula-director-sqlite3

You may install the required package with command apt-get install {package}

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