BuddyPress.org

Yes, they are all public. This is the option that is marked:
(x) “I would like my blog to be visible to everyone, including search engines (like Google, Bing, Technorati) and archivers”.

Today I discovered another blogpost […]

In WordPress 3.2.1 as a Network admin you should find it at the left menu second item from the top ‘BuddyPress’.

Still struggling with blog posts not showing in the activity stream:

For example this:
http://hvalross.hib.no/adminf11/blog/2011/08/25/3-okt-strategi-og-is/

Is not showing in the activity stream here:
http://hvalross.hib.no/adminf11/activity/

Mene12, it is not that difficult. Just read the docs carefully and you will see that it is not that hard:
https://codex.wordpress.org/Create_A_Network

Please post any specific problems back here.

Now I see that the default post (Hello World!) for all the blogs in the network are not visible in the activity stream. Could it be that when they all start posting new posts they will appear in the activity stream?

I guess […]