[EMAIL PROTECTED] wrote:
I inherited a production FreeBSD 5.4 used as a web/mail server (Apache,
PostgreSQL, php, qmail, vpopmail, Courier). Could anybody help me with
information about a web resource on upgrading such system (all, OS only
or component by component) with minimum downtime. I looked into cvsup
and portupgrade - is this the right way for production systems or is
there another one? For example is it possible to have the older version
running until the new one downloads/compiles and then to replace it
within seconds? Also - what if the new version does not work correctly -
is it possible to keep the old and revert to it.
regarding rolling-back to an older version, check out the
--backup-packages option of portupgrade. It will create a package of the
already installed version so that you can reinstall it without recompiling.
Thank you,
Iv
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