посмотреть какие службы запущены на удаленной машинке
# systemctl list-units --type=service --state=running
UNIT LOAD ACTIVE SUB DESCRIPTION
accounts-daemon.service loaded active running Accounts Service
avahi-daemon.service loaded active running Avahi mDNS/DNS-SD Stack
clamav-daemon.service loaded active running Clam AntiVirus userspace daemon
clamav-freshclam.service loaded active running ClamAV virus database updater
colord.service loaded active running Manage, Install and Generate Color Profiles
cron.service loaded active running Regular background program processing daemon
cups-browsed.service loaded active running Make remote CUPS printers available locally
cups.service loaded active running CUPS Scheduler
dbus.service loaded active running D-Bus System Message Bus
fwupd.service loaded active running Firmware update daemon
gdm.service loaded active running GNOME Display Manager
low-memory-monitor.service loaded active running Low Memory Monitor
ModemManager.service loaded active running Modem Manager
NetworkManager.service loaded active running Network Manager
packagekit.service loaded active running PackageKit Daemon
pcscd.service loaded active running PC/SC Smart Card Daemon
polkit.service loaded active running Authorization Manager
power-profiles-daemon.service loaded active running Power Profiles daemon
rtkit-daemon.service loaded active running RealtimeKit Scheduling Policy Service
ssh.service loaded active running OpenBSD Secure Shell server
strongswan-starter.service loaded active running strongSwan IPsec IKEv1/IKEv2 daemon using ipsec.conf
switcheroo-control.service loaded active running Switcheroo Control Proxy service
systemd-journald.service loaded active running Journal Service
systemd-logind.service loaded active running User Login Management
systemd-timesyncd.service loaded active running Network Time Synchronization
systemd-udevd.service loaded active running Rule-based Manager for Device Events and Files
udisks2.service loaded active running Disk Manager
upower.service loaded active running Daemon for power management
user@1000.service loaded active running User Manager for UID 1000
wpa_supplicant.service loaded active running WPA supplicant
xl2tpd.service loaded active running LSB: layer 2 tunelling protocol daemon
Т. е. вы не даёте виртуалке сеть из самого Proxmox, а пробросили отдельный WiFi-адаптер в виртуалку?
Т. е. виртуалка пингуется извне?
Можно скрин этих настроек показать? Впервые слышу что в Debian есть RDP из коробки.
Так что вопрос остаётся открытым.