scolasync: 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/scolasync - from package: scolasync

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