diff --git a/byro_shackspace/management/commands/export_keyholder.py b/byro_shackspace/management/commands/export_keyholder.py
new file mode 100644
index 0000000..c24059f
--- /dev/null
+++ b/byro_shackspace/management/commands/export_keyholder.py
@@ -0,0 +1,37 @@
+from django.db.models import Q
+from django.conf import settings
+from django.core.management import BaseCommand
+from django.template.loader import get_template
+from django.utils import timezone
+
+from os import path
+
+
+class Command(BaseCommand):
+
+    def handle(self, *args, **options):
+        from byro_shackspace.models import ShackProfile
+
+        profiles = ShackProfile.objects.filter(
+            member__memberships__end__isnull=True,
+            is_keyholder=True,
+        ).order_by('member__number')
+
+        for task in ["open", "close"]:
+            context = {
+                'task': task,
+                'profiles': [
+                    {
+                        'name': profile.member.name,
+                        'number': profile.member.number,
+                        'nick': profile.member.profile_profile.nick,
+                        'key': profile.ssh_public_key,
+                    }
+                    for profile in profiles
+                ],
+            }
+            content = get_template('shackspace/portal_authorized_keys.txt').render(context)
+
+            with open(path.join(settings.BASE_DIR, f'authorized_keys.{task}'), 'w') as f:
+                f.write(content)
+
diff --git a/byro_shackspace/templates/shackspace/portal_authorized_keys.txt b/byro_shackspace/templates/shackspace/portal_authorized_keys.txt
new file mode 100644
index 0000000..e1d3db9
--- /dev/null
+++ b/byro_shackspace/templates/shackspace/portal_authorized_keys.txt
@@ -0,0 +1,2 @@
+{% for profile in profiles %}command="/opt/Portal-v3/portal/portal.py -a {{ task }} -s {{ profile.number }} -n \"{{ profile.name }}\" --nick \"{{ profile.nick }}\"",no-port-forwarding,no-X11-forwarding,no-agent-forwarding {{ profile.key }}
+{% endfor %}