Update from RHEL 5.5 to 5.6 is called "an upgrade" and is not identical.
Latter carries a risk of an unintentional package removal.
Having a copy instance of the original system, you can use
"--download-only" yum plugin to download packages without installing
them, still taking benefit from automatic dependency resolution, to
later transfer them onto a DVD. Packages will be downloaded to yum
cache. Mind that system architecture and platform must be identical, too.
R.
On 08/03/2011 14:15, Paul M. Whitney wrote:
How is that any different than Red Hat releasing a new ISO? If you
are running RHEL 5.5 and want to "cumulatively" update your system you
could update it against RHEL 5.6. The benefit of installing updates
as they come out is that you significantly mitigate vulnerabilities
against your system regularly as opposed to that once a quarter or
semi-annual update.
The only con I see with CentOS is that the updates are always behind
Red Hat by a few weeks to even months. Even longer when an ISO is
released. And mixing andï matching with Redhat (despite some people
insisting on it) to me is a bad idea because you could then really get
into an RPM hell trying to keep systems synchronized.
Paul M. Whitney
paul.whitney@xxxxxx
"Can't is the cancer of happen." - Charlie Sheen
On Mar 08, 2011, at 08:08 AM, Matty Sarro <msarro@xxxxxxxxx> wrote:
Sadly with red hat you have the option of red hat, run satellites, or
bust.
You could use the cent OS repository bit you'd lose your support for the
system.
Tbh in enterprise installs red hat updates have been a nightmare. There
aren't roll ups, and there's no way to tell YUM to only update to a
certain
point in time. You will need to be online at least once to get the
gpg key
from the redhat repo or else you can't even manually download and
install
the rpms.
Solaris handles updates better, I agree. Popping in a 10/9 dvd is way
easier
than running YUM on a test server, tee-ing the output to a log, manually
finding each of the packages on red hats website, and then trying to
get a
prod server online just to get their stupid gpg key so I can run YUM to
install the downloads. Running rpm works but you get tons of dependency
errors, and forcing the install seems to jack up the system.
On Mar 8, 2011 4:10 AM, "Dean Thompson" <dnt07@xxxxxxxxxxx> wrote:
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