videobridge-installation.md

@@ -4,7 +4,20 @@ Follow [Jitsi Load balancing guide](https://github.com/jitsi/jicofo/blob/master/
 
 This has been deployed on several machines, see https://git.fairkom.net/hosting/fairmeeting/issues/42 . Bare metal preferred.
 
-Prepare videobridge servers with ansible playbook `hardening.yml` (in `/etc/ansible`) (check SSH port an do a `sshd -t` after running the script so you do not lock yourself out!), requires: `apt-get install python-apt`. Change `hosts` and test first with `ansible all -m ping` from your laptop.
+Prepare videobridge servers with ansible playbook `hardening.yml` (in `/etc/ansible`). MAy 
+require: `apt-get install python-apt`.
+
+Change `hosts` and test first with `ansible all -m ping` from your laptop.
+
+After that check SSH port an do a `sshd -t` after running the script so you do not lock yourself out! You might need to add: 
+
+`/usr/bin/ssh-keygen -A` or do each manually:
+
+```
+ssh-keygen -b 1024 -t rsa -f /etc/ssh/ssh_host_key
+ssh-keygen -b 1024 -t rsa -f /etc/ssh/ssh_host_rsa_key 
+ssh-keygen -b 1024 -t dsa -f /etc/ssh/ssh_host_dsa_key
+```
 
 Add host name and repo as in this guide first steps https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md#basic-jitsi-meet-install