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Installing Plesk 10 template fails on psa-libxml-proxy

Article ID: 116718, created on Aug 12, 2013, last review on May 11, 2014

  • Plesk
  • Operations Automation 5.4
  • Virtuozzo
  • Virtuozzo containers for Linux
  • Virtuozzo hypervisor


Installing a Plesk 10 template to a container based on a number of distributions (Debian 6.0, Ubuntu 10.04, SuSE 11.4 and 12.1, CentOS/Redhat 5.x and 6.x) fails with a dependency check for the package psa-libxml-proxy:

~# vzpkg install 6464 .pp10 .pp10-webmail .pp10-vps-optimized .pp10-postfix
dpkg: dependency problems prevent configuration of psa-libxml-proxy:
 psa-libxml-proxy depends on plesk-core (>= 11.0.4); however:
  Version of plesk-core on system is 10.13.4-debian6.0.build1013111102.18.
 psa-libxml-proxy depends on plesk-base (>= 11.0.4); however:
  Version of plesk-base on system is 10.13.4-debian6.0.build1013111102.18.
dpkg: error processing psa-libxml-proxy (--configure):
 dependency problems - leaving unconfigured


The problem results from package naming for Plesk 10 and Plesk 11.0.x: both major Plesk releases have that package with the same version, and the packages are named in exactly the same way. However, the content differs, and the information about dependencies is different in those packages.

Thus, on a server with Plesk 10 and Plesk 11 templates for Debian 6.0 (and: Ubuntu 10.04, Redhat/CentOS 5 and 6, SuSE 11.4 and 12), if you create a container with Plesk 11 first, the problem with installing Plesk 10 occurs.

If the container with Plesk 10 is installed before installing Plesk 11 to any container, the problem does not occur.

The situation was corrected in the later Plesk versions as a result of the request TP #118401, but it remains the same for Plesk 11.0.x.


To fix the situation on the server, it is necessary to do the following:

  1. Stop all containers based on Debian 6.0 with Plesk 11 installed - those ones which use the currently fetched and extracted package;

    ~# for veid in $(\vzlist -ao veid,ostemplate | awk '/debian-6/{print$1}'); do p=$(grep psa-libxml-proxy /vz/private/$veid/templates/vzpackages); [ "$p" ] && echo $veid; done > affected_containers
    ~# while read veid; do vzctl stop $veid; done < affected_containers

    It is necessary to stop the container because the template area will be modified, and if this step is omitted, then there will most likely be a problem with online migration of such containers.

  2. Remove (move to another place) the directory /vz/template/debian/6.0/x86_64/psa-libxml-proxy_2.7.8-0.301910_amd64/ and the file /vz/template/debian/6.0/x86_64/pm/archives/psa-libxml-proxy_2.7.8-0.301910_amd64.vz.deb:

    ~# mv -a /vz/template/debian/6.0/x86_64/psa-libxml-proxy_2.7.8-0.301910_amd64 /vz/template/debian/6.0/x86_64/pm/archives/psa-libxml-proxy_2.7.8-0.301910_amd64.vz.deb /vz/tmp/
  3. Install the template pp10 to a container based on Debian 6.0, it should fetch and extract the proper package:

    ~# vzpkg install $CTID pp10
  4. Start containers that were stopped on the first step.

    ~# while read veid; do vzctl start $veid; done < affected_containers

Search words:

psa-libxml-proxy depends on plesk-core (>= 11.0.4)

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