LCDd: 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/sbin/LCDd - from package: lcdproc

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