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Re: yum removing old kernels?



On Thu, Mar 30, 2006 at 08:22:22AM +0200, Roger Grosswiler wrote:
 > > When I do a yum update I get
 > >
 > > Installing:
 > >  kernel                  x86_64     2.6.16-1.2080_FC5
 > > updates            16 M
 > > ...
 > > Removing:
 > >  kernel                  x86_64     2.6.15-1.2054_FC5
 > > installed          81 M
 > >
 > > Since when does yum remove old kernels automatically?  Seems a bit
 > > dangerous to me.  What if there's a problem and one needs a fallback?
 > >
 > > Dan.
 > >
 > > --
 > 
 > erm...isn't it like this, that it keeps the 2 last kernel and deletes the
 > oldest if a newer comes? so, you will always have a fallback (expect the
 > older kernel did not work either :-))

It removes the currently running kernel from the list of
kernels to pick as potential candidates for removal, and iterates through
the remaining installed kernels removing the oldest, until it
reaches the maximum of whatever tokeep is set to
in /etc/yum/pluginconf.d/installonlyn.conf

because its first action is to ignore the currently running kernel,
there's always a safe kernel to boot back into.

		Dave

-- 
http://www.codemonkey.org.uk


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