tulip-config: 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/tulip-config - from package: libtulip-dev

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