Do we need this crap on LWN?
Posted Feb 22, 2007 20:01 UTC (Thu) by bojan
In reply to: Do we need this crap on LWN?
Parent article: ESR's goodbye note
> Great, but not on a dedicated host 10,000 miles away.
You missed the unattended upgrade bit above. The one with kickstart.
Let me repeat again. This particular limitation (of not being able to upgrade CentOS 3 to CentOS 4 while running) has nothing to do with RPM. It has to do with the fact that CentOS 4 (i.e. RHEL4) uses udev and CentOS 3 (i.e. RHEL3) uses a dev package. When dev gets removed by upgrading to udev, your system is hosed (you have nothing left in /dev).
Otherwise, I've done plenty of hot upgrades by doing "yum upgrade" on many different versions of Fedora.
> which is the point that ESR seems to have finally stumbled upon in the head article
He stumbled upon his on inability to manage his own system and/or ask others how to do it.
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