Roles isn't really a concept in elgg core, and there are various plugins that have tried to make it work with various levels of success, but ultimately there's a lot in core that gets in the way.  While it can be done, and I have done it for various projects, it almost always requires a lot of custom coding.  Definitely not the place to start if you're just getting familiar with Elgg.

Cheers Mat no probs it has actually been hard to find any platform that applies security to individual content and allow tiered groups where you can drop down to post at a more visible level.

I like Elgg very impressed once you get past I slight learning curve.

I am sure I have shared code snippets somewhere. Definitely something on my github. The general approach is to create an access collection owned by tge site with no members with a constant value that you store somewhere (config or plugin settings), then you use the get_sql,access hook to map those acls to users via other tables (see how access friends is resolved to a set of relationships). And then you can just populate the access dropdown.

in that case just empty the <dataroot>/views_simplecache directory

I doubt that's the issue though, still sounds like apache rewrite config.

Prob me but blasted everything started from new after clearing all directories and now ok.

Just one more and another noob question iZAP Videos is showing the exec() is not working and the "PHP interpreter not found. " and ffmpeg but presuming that is all to do with exec.

Running ubuntu 16.04 and php7 and /usr/bin/php7.0 doesn't seem to do the trick either.

I have turned off php safe_mode also?

That took some time it was in  disable_functions pcntl_exec, pfff