fuseext2: 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/fuseext2 - from package: fuseext2

You may install the required package with command apt-get install {package}
Error in other languages:
fuseext2: bevel nie gevind nie
fuseext2: comandă negăsită
fuseext2: comando não encontrado
fuseext2: commande introuvable
fuseext2: command not found
fuseext2: käsku ei ole
fuseext2: không tìm thấy lệnh
fuseext2: komanda nerasta
fuseext2: Kommando nicht gefunden.
fuseext2: kommandot finns inte
fuseext2: komut yok
fuseext2: nie znaleziono polecenia
fuseext2: níor aimsíodh an t-ordú
fuseext2: no se encontró la orden
fuseext2: no s'ha trobat l'ordre
fuseext2: opdracht niet gevonden
fuseext2: parancs nem található
fuseext2: perintah tidak ditemukan
fuseext2: príkaz nenájdený
fuseext2: příkaz nenalezen
fuseext2: команда не найдена
fuseext2: командата не е открита
fuseext2: 命令找不到
fuseext2: コマンドが見つかりません