vmware-hgfsmounter: 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:

/sbin/vmware-hgfsmounter - from package: open-vm-tools

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