move-a-vm: also open the firewall in IPv6

Important between UBC and bytemark, IPv6 is a magnitude faster than IPv4

diff --git a/input/howto/move-a-vm.mdwn b/input/howto/move-a-vm.mdwn
index e397ce3..1a08b12 100644 (file)
--- a/input/howto/move-a-vm.mdwn
+++ b/input/howto/move-a-vm.mdwn
@@ -13,6 +13,7 @@
   * `cat /etc/ssh/ssh_host_rsa_key.pub`
   * `tee -a /etc/ssh/userkeys/root`
   * `iptables -I INPUT -s bm-bl1 -j ACCEPT`
+  * `ip6tables -I INPUT -s bm-bl1 -j ACCEPT`
 * copy it over:
     ```
     cat /dev/mapper/adayevskaya | ssh root@manda-node03 'cat > /dev/vg_ganeti/install-adayevskaya'