I believe the “lamp-server” package in Ubuntu fails to install mod-suphp, which would likely solve most of your permission problems. Try installing the libapache2-mod-suphp package. And undo everything you did with the permissions. The WordPress install should not be owned by the apache user, it should be owned by the real user.
Is it possible to allow a user to only edit categories of posts and nothing else?
Strange error “You do not have sufficient permissions to access this page”
The simplest way to hide them from the editor is to put them at least two directories deep. The editor only traverses one directory down when displaying files for editing.
Per the recommended Hardening WordPress and other resources this is what you should look for in your folder permissions: Root Directory / 0755 .htaccess /.htaccess 0644 wp-admin/index.php /wp-admin/index.php 0644 Based on what you’ve described about having to enter your FTP credentials to update/upload plugins I believe you have a ownership/group issue with your files. When … Read more
Editor have not permissions for a plugin
Folder Permissions + Security Concerns
While there can be checks inside page the page itself is added via API call, like add_options_page() (there are several analogous functions that add pages to different parts of admin). This call includes capability argument. In your case either the extension in question is poorly coded and does something strange around there or your user … Read more
There’s probably a way to do this via one of the meta cap filters, but off the top of my head you could use the comments_open filter to check if the currently logged in user is the author of the post and change the output of the comments_open() function accordingly. I’m on the patio, so … Read more
i deactivated all the plugins and reactivated them back again, just to find out than one of those was currupted / outdated. now everything works fine again.