CON-1863 add Utm virtual machine for mac silicon and remove the specification of VirtualBox

subjects/remote/README.md

@@ -8,9 +8,15 @@ It is more comfortable to use SSH because you can use your usual terminal, with
 
 To do this exercise you will need to add this VM :
 
+### For VirtualBox 
+
 - [01_remote](https://assets.01-edu.org/sys/01_remote.tar.gz)
 
-Because the VM is behind the VirtualBox NAT router you can't access it directly. Unless you add a port forwarding rule in the VM settings that maps a host port to a guest port. Host refers to your machine and guest to the VM.
+### For UTM
+
+- [01_remote](https://assets.01-edu.org/sys/01_remote.utm.zip)
+
+Because the VM is behind the virtualization software router you can't access it directly. Unless you add a port forwarding rule in the VM settings that maps a host port to a guest port. Host refers to your machine and guest to the VM.
 
 Host & guest IP addresses don't need to be specified, guest port needs to be 22 because that's SSH default listening port.
 
@@ -24,6 +30,6 @@ ssh -p HOST_PORT root@localhost
 
 It is recommended to change the default SSH port (22) to prevent bots from trying to connect to it.
 
-Since we are pretending that the guest VM is a server, change the SSH service port and make sure the port forwarding of the Virtual NAT network still works !
+Since we are pretending that the guest VM is a server, change the SSH service port and make sure the port forwarding still works !
 
 In addition, you will need to allow the new port in the firewall `ufw`.

subjects/remote/audit/README.md

@@ -1,8 +1,8 @@
 #### Functional
 
-###### Is VirtualBox installed?
+###### Is virtualization software installed?
 
-###### Is the VM, 01_remote, added to VirtualBox?
+###### Is the VM, 01_remote, added to the virtualization software?
 
 #### General