Remove sys-process/glances.
Latter version are available in the main portage tree
<IfModule passenger_module>
Listen 3000
<VirtualHost *:3000>
DocumentRoot /var/lib/redmine/public
# RailsEnv production
<Directory "/var/lib/redmine/public">
Options FollowSymLinks
Order allow,deny
Allow from all
</Directory>
</VirtualHost>
</IfModule>