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+virssh - allow users to control their libvirt VM through SSH.
+
+virssh is a simple wrapper around sudo and virsh that allows users to control
+their libvirt VM(s) through SSH. Currently supported is starting/stopping VMs,
+serial console and listing all VMs to get their status.
+
+Configuration:
+
+1. Create a user "vmadmin".
+
+2. Give that user sudo permissions for calling virsh, so she may control (all)
+   VMs:
+
+    Defaults:vmadmin !requiretty
+    vmadmin ALL = (root) NOPASSWD: /usr/bin/virsh
+
+3. For every one of your users, create a line in vmadmin's .ssh/authorized_keys:
+
+   command="/usr/local/bin/virssh myfancyuser",permitopen="localhost:5915",no-X11-forwarding,no-agent-forwarding ssh-rsa AAAAB...== myfancyuser@hjome
+
+Usage:
+
+  The user may now control her VM using the following commands:
+
+    ssh -t vmadmin@vmserver sudo virsh list
+    ssh -t vmadmin@vmserver sudo virsh console myfancyvm
+    ssh -t vmadmin@vmserver sudo virsh destroy myfancyvm
+    ssh -t vmadmin@vmserver sudo virsh shutdown myfancyvm
+    ssh -t vmadmin@vmserver sudo virsh start myfancyvm
+    ssh -t vmadmin@vmserver sudo virsh start myfancyvm --console
+
+  If you use a "permitopen" directive, that user may also use the console to
+  keep an SSH tunnel open to use VNC.