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Here you can find OpenVZ Live CD images. Live CD is a great way to test drive the OpenVZ technology without a need to actually install it on your machine.
 
Here you can find OpenVZ Live CD images. Live CD is a great way to test drive the OpenVZ technology without a need to actually install it on your machine.
  
We offer three live CDs at the moment:
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We offer three live CDs at the moment. The first one is based on Knoppix 5.1.1, the second one is based on CentOS 4.4, and the third one is the "official" [http://www.openwall.com/Owl/ Openwall GNU/*/Linux (or Owl)] CD (live & installable).
 
 
* The "official" [http://www.openwall.com/Owl/ Openwall GNU/*/Linux (or Owl)] disc image (live & installable, maintained).
 
* One based on CentOS 4.4 (abandoned).
 
* One based on Knoppix 5.1.1 (abandoned).
 
  
 
== Download ==
 
== Download ==
  
The ISO images for Owl are available from the [http://www.openwall.com/Owl/DOWNLOAD.shtml Openwall FTP mirrors], such as via the links below (which use a specific fast mirror).  The precreated ISO images for Knoppix and CentOS are available directly from [http://download.openvz.org/livecd/ download.openvz.org/livecd/] or any of the [[download mirrors]].
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The precreated ISO images for Knoppix and CentOS are available directly from [http://download.openvz.org/livecd/ download.openvz.org/livecd/] or any of the [[download mirrors]].  The ISO images for Owl are available from the [http://www.openwall.com/Owl/DOWNLOAD.shtml Openwall FTP mirrors], such as via the links below (which use a specific fast mirror).
  
{{Note|the .mtree*, .md5, and .asc files below do not need to be copied to the CD-R; they are here to check the authenticity of the iso files. [[Package_signatures#Checking_files|This page]] has some info on this topic.}}
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{{Note|that the .md5, .asc, and .mtree* files below do not need to be copied to the CD-R; they are here to check the authenticity of the iso files. [[Package_signatures#Checking_files|This page]] has some info on this topic.}}
 
 
=== Owl ===
 
{{KernelDownloadTableHead}}
 
|-
 
| class='filename' | [http://mirrors.kernel.org/openwall/Owl/3.1-stable/iso/Owl-3_1-stable-20180703-x86_64.iso.gz Owl-3_1-stable-20180703-x86_64.iso.gz]
 
| class='filesize' | 562 MB
 
|-
 
| class='filename' | [http://mirrors.kernel.org/openwall/Owl/3.1-stable/iso/Owl-3_1-stable-20180524-i686.iso.gz Owl-3_1-stable-20180524-i686.iso.gz]
 
| class='filesize' | 556 MB
 
|-
 
| class='filename' | [http://mirrors.kernel.org/openwall/Owl/3.1-stable/iso/iso.mtree iso.mtree] (MD5 and SHA-1 digests of the ISOs above)
 
| class='filesize' | ~1 KB
 
|-
 
| class='filename' | [http://mirrors.kernel.org/openwall/Owl/3.1-stable/iso/iso.mtree.sign iso.mtree.sign] (GnuPG signature of the digests file above)
 
| class='filesize' | ~1 KB
 
{{KernelDownloadTableTail}}
 
  
 
=== CentOS ===
 
=== CentOS ===
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{{DownloadTableRow|path=livecd|file=CentOS-4.4-OpenVZ-i386-LiveCD.iso|size=684 MB}}
 
{{DownloadTableRow|path=livecd|file=CentOS-4.4-OpenVZ-i386-LiveCD.iso|size=684 MB}}
 
{{DownloadTableRow|path=livecd|file=CentOS-4.4-OpenVZ-i386-LiveCD.iso.md5|size=68 B}}
 
{{DownloadTableRow|path=livecd|file=CentOS-4.4-OpenVZ-i386-LiveCD.iso.md5|size=68 B}}
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{{DownloadTableRow|path=livecd|file=CentOS-4.4-OpenVZ-i386-LiveCD.iso.asc|size=}}
 
{{KernelDownloadTableTail}}
 
{{KernelDownloadTableTail}}
  
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{{DownloadTableRow|path=livecd|file=KNOPPIX_V5.1.1-OPENVZ-CD-2007-01-04-EN.iso.asc|size=189 B}}
 
{{DownloadTableRow|path=livecd|file=KNOPPIX_V5.1.1-OPENVZ-CD-2007-01-04-EN.iso.asc|size=189 B}}
 
{{KernelDownloadTableTail}}
 
{{KernelDownloadTableTail}}
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=== Owl ===
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* [ftp://ftp.fr.openwall.com/pub/Owl/current/iso/Owl-current-20100128-i686.iso.gz 32-bit x86 (450 MB)]
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* [ftp://ftp.fr.openwall.com/pub/Owl/current/iso/Owl-current-20100128-x86_64.iso.gz x86-64 (454 MB)]
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* [ftp://ftp.fr.openwall.com/pub/Owl/current/iso/iso.mtree MD5 and SHA-1 digests of the ISOs above]
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* [ftp://ftp.fr.openwall.com/pub/Owl/current/iso/iso.mtree.sign GnuPG signature of the digests file above]
  
 
== Burning ==
 
== Burning ==
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== Using ==
 
== Using ==
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With the Knoppix (and CentOS?) CDs, upon successful boot, a browser window with some helpful hints will appear to help you start using OpenVZ. The latest version of that document is also available on this wiki: [[Getting started with OpenVZ live CD]].
 +
 
With the Owl CD, brief instructions (not OpenVZ specific yet) will be printed to the console, right before dropping you to a shell prompt.  Then you will need to proceed with [http://openwall.info/wiki/Owl/usage-examples/OpenVZ/getting-started instructions for getting started with OpenVZ on Owl, as found on the Openwall wiki].
 
With the Owl CD, brief instructions (not OpenVZ specific yet) will be printed to the console, right before dropping you to a shell prompt.  Then you will need to proceed with [http://openwall.info/wiki/Owl/usage-examples/OpenVZ/getting-started instructions for getting started with OpenVZ on Owl, as found on the Openwall wiki].
 
With the Knoppix (and CentOS?) CDs, upon successful boot, a browser window with some helpful hints will appear to help you start using OpenVZ. The latest version of that document is also available on this wiki: [[Getting started with OpenVZ live CD]].
 
  
 
== Limitations ==
 
== Limitations ==
Since these are live CDs, everything is created in RAM, i.e. is not persistent. If you will create a number of VEs, they will not be available after the reboot.
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Since this is a live CD, everything is created in RAM, i.e. is not persistent. If you will create a number of VEs, they will not be available after the reboot.
  
 
A number of [[VE]]s that you can create using this live CD greatly depends on the amount of RAM your machine has, since the system uses RAM instead of a hard disk. On a 1 gigabyte RAM machine you can create about 5 VEs. To work around this, you have to have a disk partition mounted to <tt>/vz/private/</tt>  for CentOS-based CD and to <tt>/var/lib/vz/private</tt> for KNOPPIX-based CD.
 
A number of [[VE]]s that you can create using this live CD greatly depends on the amount of RAM your machine has, since the system uses RAM instead of a hard disk. On a 1 gigabyte RAM machine you can create about 5 VEs. To work around this, you have to have a disk partition mounted to <tt>/vz/private/</tt>  for CentOS-based CD and to <tt>/var/lib/vz/private</tt> for KNOPPIX-based CD.
  
 
OpenVZ disk quota does not work on LiveCD at the moment due to {{Bug|558}}, so <code>df</code> in [[VE]] shows ludicrous values if quota is on.
 
OpenVZ disk quota does not work on LiveCD at the moment due to {{Bug|558}}, so <code>df</code> in [[VE]] shows ludicrous values if quota is on.
Because of it on Owl and CentOS 4.4 LiveCD disk quota is switched off by default.
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Because of it on CentOS 4.4 LiveCD disk quota is switched off by default.
  
 
Checkpointing (and consequently live migration) doesn't work on KNOPPIX LiveCD at the moment due to {{Bug|606}}.
 
Checkpointing (and consequently live migration) doesn't work on KNOPPIX LiveCD at the moment due to {{Bug|606}}.
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== CD contents ==
 
== CD contents ==
 
=== Owl DVD contents ===
 
This DVD image (about 800 MB in size) uses the following OpenVZ components:
 
* kernel 2.6.18-431.el5.028stab123.1.owl2 (latest unreleased/unofficial post-EOL revision from OpenVZ's RHEL5 branch as of May 2018, with minor changes for Owl)
 
* vzctl 3.0.23 (with minor enhancements and customizations by ALT Linux and Owl teams)
 
* vzquota 3.0.12
 
The live system is a full install of the Owl userland, including networking clients, servers, as well as "development" tools and libraries (C, C++).  It also includes installable packages, the installer program, full source code, and the build environment.  Unfortunately, it does not include pre-created container templates, but you may either configure networking (with "setup") and download a pre-created template to RAM, or you may use "make vztemplate" to create a new template of the Owl userland right on the CD-booted system.
 
  
 
=== CentOS CD contents ===
 
=== CentOS CD contents ===
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* Frozen Bubble
 
* Frozen Bubble
 
The above packages were taken out to make some room for OpenVZ packages.
 
The above packages were taken out to make some room for OpenVZ packages.
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=== Owl CD contents ===
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This CD uses the following OpenVZ components:
 +
* kernel 2.6.18-128.2.1.el5.028stab064.8 (from OpenVZ's "rhel5" branch, with very minor changes for Owl)
 +
* vzctl 3.0.23 (with minor enhancements and customizations by ALT Linux and Owl teams)
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* vzquota 3.0.12
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The live system is a full install of the Owl userland, including networking clients, servers, as well as "development" tools and libraries (C, C++).  It also includes installable packages, the installer program, full source code, and the build environment.  Unfortunately, it does not include pre-created container templates, but you may either configure networking (with "setup") and download a pre-created template to RAM, or you may use "make vztemplate" to create a new template of the Owl userland right on the CD-booted system.
  
 
== Changelog ==
 
== Changelog ==
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* 7 May 2007, initial version based on Knoppix 5.1.1
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* 5 July 2007, version based on CentOS 4.4
 
* 29 January 2010, added Owl
 
* 29 January 2010, added Owl
* 5 July 2007, version based on CentOS 4.4
 
* 7 May 2007, initial version based on Knoppix 5.1.1
 
  
 
== External links ==
 
== External links ==
 +
* [http://knoppix.com/ knoppix.com], the home of Knoppix distribution
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* [http://centos.org/ centos.org], the home of CentOS distribution
 
* [http://www.openwall.com/Owl/ openwall.com], the home of Openwall GNU/*/Linux (or Owl)
 
* [http://www.openwall.com/Owl/ openwall.com], the home of Openwall GNU/*/Linux (or Owl)
* [http://centos.org/ centos.org], the home of CentOS distribution
 
* [http://knoppix.com/ knoppix.com], the home of Knoppix distribution
 
  
 
[[Category: Download]]
 
[[Category: Download]]
 
[[Category: Live CD]]
 
[[Category: Live CD]]

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