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ALS 2000 Abstract
Large Scale Linux Configuration with LCFG
Paul Anderson and Alastair Scobie, University of Edinburgh
Abstract
This paper describes the automatic installation and configuration system currently being used to manage several hundred
Linux machines in the Division of Informatics at Edinburgh University. This is a development of the LCFG system
which has been used successfully for several years under Solaris. The introduction provides some background on the
general problem of large-scale configuration, together with a short comparison of typical solutions, and a brief
description of the original LCFG system.
The specific changes required to support Linux are then discussed; in particular, the issues of installation bootstrapping,
and the updaterpms program. This automatically synchronises client software packages with a specification in the
central database. We describe how the system is used in practice, and how it enables us to automatically maintain large
numbers of machines with very diverse and evolving configurations.
Some future plans are then discussed, including a major reworking of the LCFG implementation, LDAP integration,
and our intention to make the technology more widely available.
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