However, if what you see is different or you see the word `WARNING:` you should look at our troubleshooting documentation for [Debian and Whonix](/en/doc/troubleshooting/debian-and-whonix/).
### Restart Services after Upgrading
After upgrading either (easy) reboot.
~~~
sudo reboot
~~~
### Restart after Kernel Upgrades
When `linux-image-...` was upgraded, reboot is required to profit from security updates.
Operating System Updates
Shutdown Whonix TemplateVM
~~~
Qubes VM Manager -> right clock on TemplateVM -> Shutdown VM
~~~
### Restart / Update Whonix VMs
If new updates were available and installed, you will need to either simply restart your running Whonix-Gateway ProxyVMs and running Whonix-Workstation AppVMs for them to be updated -- or alternatively apply this same update process again to your running VMs if not wanting to restart them right away.