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Groups > comp.sys.mac.system > #68397

Re: DNS in Yosemite

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On 2015-01-14 03:05:29 +0000, David Empson said:

> Alan Baker <alangbaker@telus.net> wrote:
> 
>> On 2015-01-13 23:02:02 +0000, David Empson said:
>> 
>>> JF Mezei <jfmezei.spamnot@vaxination.ca> wrote:
>>> 
>>>> re: installing old mDSNresponder.
>>>> 
>>>> If you leave the discroverd files in place, and simply disable startup
>>>> in the .plist (or the launchdctl method), I suspect upgrades would go
>>>> smoothly since the installer will still fine the discoveryd files where
>>>> they are supposed to be and update them. If it updates the .plist, then
>>>> it is likely it will get started at next boot.
>>> 
>>> Then you have two processes trying to open the same ports (one of which
>>> would fail, possibly the wrong one), or potentially have both running at
>>> once, resulting in unexpected behaviour.
>> 
>> If you disabled discoveryd, how would there be two processes exactly?
> 
> I was commenting on JF Mezei's hypothetical situation where a subsequent
> update replaced the launchd plist for discoveryd, which would almost
> certainly result in discoveryd being enabled again (since that is the
> normal situation for Yosemite). That would result in a system where both
> discoveryd and mDNSResponder are present and enabled.

Which, if you were savvy enough to make this kind of move in the first 
place, you could deal with by way of a startup script which disabled 
discoveryd on each startup.

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Thread

DNS in Yosemite nmassello@yahoo.com (Neill Massello) - 2015-01-12 13:48 -0700
  Re: DNS in Yosemite JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-01-12 15:57 -0500
    Re: DNS in Yosemite Otto Pylot <otto@bogus.address.com> - 2015-01-12 19:39 -0800
      Re: DNS in Yosemite dempson@actrix.gen.nz (David Empson) - 2015-01-13 23:29 +1300
        Re: DNS in Yosemite JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-01-13 11:42 -0500
          Re: DNS in Yosemite dempson@actrix.gen.nz (David Empson) - 2015-01-14 12:02 +1300
            Re: DNS in Yosemite JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-01-13 18:48 -0500
              Re: DNS in Yosemite dempson@actrix.gen.nz (David Empson) - 2015-01-14 16:05 +1300
                Re: DNS in Yosemite JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-01-14 10:37 -0500
                Re: DNS in Yosemite Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-01-17 02:39 +0000
            Re: DNS in Yosemite Alan Baker <alangbaker@telus.net> - 2015-01-13 18:39 -0800
              Re: DNS in Yosemite dempson@actrix.gen.nz (David Empson) - 2015-01-14 16:05 +1300
                Re: DNS in Yosemite Alan Baker <alangbaker@telus.net> - 2015-01-13 19:13 -0800
                Re: DNS in Yosemite dempson@actrix.gen.nz (David Empson) - 2015-01-14 17:16 +1300
        Re: DNS in Yosemite Otto Pylot <otto@bogus.address.com> - 2015-01-13 17:12 -0800

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