On Wed, Dec 10, 2014 at 12:31 PM, Tom Horsley <horsley1953@xxxxxxxxx> wrote:
> I see the systemd fungus has grown over the
> /proc/sys/kernel/core_pattern file now.
>
> Can I make it stop changing it?
>
> Or do I have to make an rc.local script to reset it
> to just plain old 'core'?
>From rawhide so I'm not sure whether it's in F20, which, AFAIK, has systemd 216:
COREDUMP.CONF(5)
coredump.conf
COREDUMP.CONF(5)
NAME
coredump.conf - Coredump storage configuration file
SYNOPSIS
/etc/systemd/coredump.conf
DESCRIPTION
This file configures the behaviour of systemd-coredump, a
handler for core dumps invoked by the kernel.
OPTIONS
All options are configured in the "[Coredump]" section:
Storage=
Controls where to store cores. One of "none", "external",
"journal", and "both". When "none", the coredumps will be logged but
not stored permanently. When "external" (the default), cores will be
stored in
/var/lib/systemd/coredump. When "journal", cores will be
stored in the journal and rotated following normal journal rotation
patterns. When "both", cores will be stored in both locations.
When cores are stored in the journal, they might be
compressed following journal compression settings, see
journald.conf(5). When cores are stored externally, they will be
compressed by default, see below.
Compress=
Controls the type of compression for external storage.
Takes a boolean argument, defaults to "yes".
ProcessSizeMax=
The maximum size in bytes of a core which will be
processed. Coredumps exceeding this size will be logged, but the
backtrace will not be generated and the core will not be stored.
ExternalSizeMax=, JournalSizeMax=
The maximum (uncompressed) size in bytes of a core to be saved.
MaxUse=, KeepFree=
Enforce limits on the disk space taken up by externally
stored coredumps. MaxUse= makes sure that old coredumps are removed
as soon as the total disk space taken up by coredumps grows beyond
this limit (defaults to
10% of the total disk size). KeepFree= controls how much
disk space to keep free at least (defaults to 15% of the total disk
size). Note that the disk space used by coredumps might temporarily
exceed these limits
while coredumps are processed. Note that old coredumps are
also removed based on time via systemd-tmpfiles(8).
SEE ALSO
systemd-journald.service(8), coredumpctl(1), systemd-tmpfiles(8)
systemd 217
COREDUMP.CONF(5)
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