reConServer: 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

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/sbin/reConServer - from package: reconserver

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