@@ -35727,6 +35727,57 @@ Virtualization Services
substitute keys, and so on---see the explanation of @code{secret-root}
below.
+You will probably find it useful to create an account for you in the
+GNU/Hurd virtual machine and to authorize logins with your SSH key. To
+do that, you can define the GNU/Hurd system in the usual way
+(@pxref{Using the Configuration System}), and then pass that operating
+system as the @code{os} field of @code{hurd-vm-configuration}, as in
+this example:
+
+@lisp
+(define childhurd-os
+ ;; Definition of my GNU/Hurd system, derived from the default one.
+ (operating-system
+ (inherit %hurd-vm-operating-system)
+
+ ;; Add a user account.
+ (users (cons (user-account
+ (name "charlie")
+ (comment "This is me!")
+ (group "users")
+ (supplementary-groups '("wheel"))) ;for 'sudo'
+ %base-user-accounts))
+
+ (services
+ ;; Modify the SSH configuration to allow login as "root"
+ ;; and as "charlie" using public key authentication.
+ (modify-services (operating-system-user-services
+ %hurd-vm-operating-system)
+ (openssh-service-type
+ config => (openssh-configuration
+ (inherit config)
+ (authorized-keys
+ `(("root"
+ ,(local-file
+ "/home/charlie/.ssh/id_rsa.pub"))
+ ("charlie"
+ ,(local-file
+ "/home/charlie/.ssh/id_rsa.pub"))))))))))
+
+(operating-system
+ ;; @dots{}
+ (services
+ ;; Add the 'hurd-vm' service, configured to use the
+ ;; operating system configuration above.
+ (append (list (service hurd-vm-service-type
+ (hurd-vm-configuration
+ (os %childhurd-os))))
+ %base-services)))
+@end lisp
+
+That's it! The remainder of this section provides the reference of the
+service configuration.
+
@defvar hurd-vm-service-type
This is the type of the Hurd in a Virtual Machine service. Its value
must be a @code{hurd-vm-configuration} object, which specifies the