* `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'