Article ID: 111253, created on May 10, 2011, last review on Apr 25, 2014

  • Applies to:
  • Virtuozzo containers for Linux 4.0

Release notes

Synopsis:          New Parallels Virtuozzo Containers 4.0 tools update provides
                   fixes related to Container management functionality.
Issue date:        2011-05-11
Product:           Parallels Virtuozzo Containers 4.0
Keywords:          'Ubuntu' 'EZ template'

1. What's Included in This Update

New packages for Parallels Virtuozzo Containers 4.0 provide user-level tool
fixes for managing EZ templates using the 'vzpkg' utility.

2. Problem Description

The new packages introduce the following feature:

- The ability to create and manage containers based on the Ubuntu 11.04 EZ

The updated packages also provide a fix for the following issue:

- The permissions of some files in a container may change during its migration to
  a server running Parallels Virtuozzo Containers 4.6, if the container is based on
  a legacy (standard) template or was created in Virtuozzo 3.0.

All Parallels Containers 4.0 users are advised to update their tools packages.

3. Affected Components

 - 'vzctl' is the primary tool for managing containers. This tool is used
   to create new containers, start and stop them, configure their parameters,

 - 'vzmigrate' is a utility for migrating containers from one Hardware Node to

 - 'vztt' is a set of tools used to manage EZ templates. EZ templates, introduced
   in Virtuozzo 3.0, are more flexible and easier to manage compared to standard

 - 'vzpkgenvdeb_ma' is a minimal 'Ubuntu'-like environment for executing the
    Parallels version of the apt package.

 - 'vzctcalc' is a tool for calculating the disk and memory usage of containers.

 - 'libvznbdmig' is a set of routines that implement the migration of containers
   to virtual machines.

4. Bug Fixes

 #PCLIN-29136: vzmigrate loses permission attributes of magic symlinks.

5. Obtaining the Update

 You can download and install this tools update using the 'vzup2date' utility
 included in the Parallels Containers 4.0 distribution.

6. Installing the Update

 Use the 'vzup2date' command to install new Parallels Virtuozzo Containers
 tools packages.

 The update does not require Parallels Virtuozzo Containers to restart or the system to

7. RPMs required:

 The following RPM packages are included in the tools update:


Copyright (c) 1999-2011 Parallels Holdings, Ltd. and its affiliates. All rights

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