if you have cpanel on a virtuozzo node vps you really want to disable plesk install .
This cannot be done for selected VPSes, only for node-wide. In order to remove ‘Install Plesk’ link from the customer’s Parallels Power Panel, it is required to modify /vz/private/1/root/etc/vzcp/pp/menu.xml (on the node) file or /etc/vzcp/pp/menu.xml (in Service VPS).

There [...]

I had problems when using nfs storage to store virtuozzo backups . I don’t like to enable remote mount on startup time because network issues which could happen , and which can generate long startup delays.
so, if you mount nfs partition after node boots up, and virtuozzo already started you will not see backups in [...]

VZCP packages on the service VE (VE #1) should be upgraded to the latest available one, icons are provided since vzcp-3.0.0-16.10. It can be upgraded via vzup2date or vzsveupgrade.
It is also possible to copy icon files manually from any Plesk 9 VE (ex. 118)  skins directories:
/vz/root/118/usr/local/psa/admin/htdocs/skins/*/images/nav_home.gif
To corresponding service VE skins directories:
/vz/root/1/var/vzcp/static/vz/skins/*/icons/nav_home.gif
and so [...]

Some templates must have been updated on our repository.
Please remove old templates cache with the following command:

# find /vz/template/centos/5/x86_64/pm/ -name cachecookie -exec rm -f {} \;

After that try installing the template again

If you want to add yum to a virtual instance you can do it by running the following command:
vzpkg install -p [VEID] yum