Outline1

Title

What is CERN E. Linux 3
CERN Customization
- Automated system updates
- Configuration Management
(Few) Customization Details
Legal issues
Red Hat compatibility

CERN assembled Linux distribution
- Recompiled from sources of Red Hat Enterprise Linux 3 (AS/ES/WS)
- Customized to integrate in the CERN Computing Environment
  - Added / changed software
- Possible long-term support product
  - Subject to CERN-wide discussion (and funding !) ...

All components recompiled from RHEL sources are included (Red Hat did not ship some ...)
Some components customized:
- Kernel with added set of patches (not yet ..)
- Some configuration 'wizards' changed (..)

Some products are updated

Added software
- Openafs, Heimdal Kerberos 5, Kerberos 4, CASTOR client, pine ...
Red Hat software update mechanism replaced
- Red Hat up2date cannot be used (server-side – Red Hat Network is RH proprietary)
Added Configuration Management system
- To provide users with sensible site defaults and allow update of these

Based on APT (Advanced Package Tool)
- Command Line interface
- Graphical interface
- CERN written configurable automatic update mechanism

Quattor toolkit based
- Plus local extensions
  - Allowing standalone operation
  - Manual, weekly, daily and onboot actions
Site defaults for:
- Openafs client
- Kerberos 4 and 5 setup
- ... other software packages (zephyr, pine ....)
- ...

Source of all software included is under GPL or other free license (MIT, BSD .... etc...)
- Freely available from ftp.redhat.com

Red Hat EULA for RHEL 3 says:

Binaries obtained from Red Hat cannot be freely redistributed.
Red Hat logo and trademarks cannot be used without permission
Trademark Policy should be respected
“Title to the Software and any component, or to any copy, modification, or merged portion shall remain with the aforementioned, subject to the applicable license”.

And ... there are others: Fermi LTS 3.0.1, WhiteBox Linux, Caos Linux ....

If NOT -> Tell us ... it is a bug ... not feature ...

Binary-only products compiled for RHEL 3 AS/ES/WS should run

First test version available now
- For i686, ia64 and x86_64
- Public test release 'really soon now'
- System customization: 70% ready
- Software management: 90% ready
- Configuration management: 70% ready

Certification start: now....

Certification: tentative end: 1st May 2004

A screenshot