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Entries For: May 2010


Kerrighed rc for XtreemOS

A Kerriged 3.0 release candidate is available at

Changes are the following:
   * [kernel] Port to linux 2.6.30
   * Add various options to checkpoint and restart
   * Add tools ipccheckpoint and ipcrestart to help checkpoint/restart of applications using IPC objects
   Kerrighed containerization
   * [kernel] Run Kerrighed in a Linux container
   * New tools krgboot[_helper] and krginit[_helper] to run Kerrighed in a Linux container
   * Fully automatic cluster boot
   Kerrighed hotplug
   * [kernel] Experimental support for adding nodes to a live cluster
   * New krgadm semantics:
     * kill commands 'cluster start' and 'wait_start',
     * make command 'nodes add' the default way to build a cluster

   * [kernel] Support migration of X connections
   * [kernel] Many bugfixes in socket migration
   * [kernel] Support migration / remote fork of chrooted applications
   * [kernel] Many migration fixes
   * Remove limitation on number of concurrent executions in KTP


Two new demos available

Two new demos made by BSC have been published on the project web page, namely hmmpfam/COMP Superscalar and SpecWeb2005:


XtreemOS summer school 2010

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Registration is now open!

We are organizing a second XtreemOS summer school in Reisensburg Castle,  Science Center of Ulm University, in G├╝nzburg near Ulm, Germany from July 5th to 9th 2010.

Registration is now open!

The XtreemOS Summer School will include lectures on modern distributed paradigms such as Grid computing, Cloud computing, and network-centric operating systems. The Summer School will combine lectures from research leaders shaping the future of distributed systems and world leaders in deploying and exploiting distributed infrastructures. Hands-on laboratory exercises and practical sessions using XtreemOS will give participants experience on using modern distributed systems.

The aims of the XtreemOS Summer School are:

  • To introduce participants to emergent computing paradigms such as Grid computing and Cloud computing,
  • To provide lectures and practical courses on novel techniques to achieve scalability, highly availability and security in distributed systems,
  • To present Grid applications in the domains of E-science and business.
  • To provide a forum for participants to discuss your research work and share experience with experience researchers.


The school is open to postgraduate level students (MSc, PhD) and young researchers (from technical industries, research laboratories, and academic environments) who have recently started (or are about to start) working on grid research projects. Prospective students from computer science, computational science and application backgrounds will be encouraged to apply; Basic knowledge in distributed systems is the only prerequisite. Grid newcomers and beginners are welcome, but people already involved in grid projects should also benefit from this school.

 For more information, visit: