[systemd-devel] [ANNOUNCE] systemd 207

Colin Guthrie gmane at colin.guthr.ie
Wed Sep 18 02:29:27 PDT 2013


'Twas brillig, and Lennart Poettering at 17/09/13 20:03 did gyre and gimble:
> On Fri, 13.09.13 15:15, Colin Guthrie (gmane at colin.guthr.ie) wrote:
>>>         * The systemd-sysctl tool no longer natively reads the
>>>           file /etc/sysctl.conf. If desired, the file should be
>>>           symlinked from /etc/sysctl.d/99-sysctl.conf. Apart from
>>>           providing legacy support by a symlink rather than built-in
>>>           code, it also makes the otherwise hidden order of application
>>>           of the different files visible.
>>
>> It's also worth noting here that sysctl.d files are processed
>> differently now.
>>
>> Up to and including v197 (or fabe5c0e5fce730aa66e10a9c4f9fdd443d7aeda),
>> sysctl.d files had to be named higher than the 50-default.conf file to
>> override something. e.g. if you wanted to override "kernel.sysrq = 16"
>> then you needed to put it in a file named 51-i-know-better.conf in the
>> appropriate location.
>>
>> >From v198+ the order changed, and you had to name the file *lower* than
>> 50-default.conf, e.g. 49-i-know-better.conf.
>>
>> Now from v207 onwards the ordering has reverted back to the v197 logic
>> (which I agree feels more natural).
>>
>> If you have distro tools and/or have deployed updates which adapted to
>> this change in behaviour, you should undo those changes with this release.
>>
>> It may make sense to update the NEWS file in git to include a note about
>> this (albeit very minor) "API" breakage (although the v198 NEWS didn't
>> mention it's change in behaviour so perhaps it's fine to leave it out!).
>>
>> All the best
> 
> I added a short comment now to the NEWS file that mentions that this
> basically reverts things to pre-198. Does that work for you?

That's great, thanks. :)

Col





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