[installworld] Do We need /usr/obj

Tim Daneliuk tundra at tundraware.com
Mon Jan 25 14:09:23 UTC 2016

On 01/25/2016 02:18 AM, Polytropon wrote:
> On Sun, 24 Jan 2016 17:49:24 -0600 (CST), Lars Eighner wrote:
>> On Sun, 24 Jan 2016, Tim Daneliuk wrote:
>>> One of the servers I maintain has a very small footprint (it's a VPS).
>>> It is set up to do a full buildworld/buildkernel every night.  That way,
>>> when its time to upgrade for, say, security reasons, there is no build delay
>>> (which takes nearly 5 hours on this virtual machine).
>> Yes, you can delete /usr/bin after installworld.
> Deleting /usr/bin is not a good idea; deleting /usr/obj is a better one. :-)

Yep, that's what I meant alright ... /usr/obj.

> Allow me an addition: It's possible that you'll need /usr/obj for
> the mergemaster steps as well (I'm not fully sure which files will
> be sourced from /usr/src and which from /usr/obj). So it's probably
> a good advice to have a look at /usr/src/Makefile's comment header
> in order to check the correct order of operations which might involve
> using /usr/obj _after_ "make installworld".
>> If you have space in /tmp or /var you could link /usr/bin to some of that
>> space.
> If you have sufficient RAM for that instance, it's probably possible
> to put /usr/obj in memory as "scratch space". In this case, always
> check your swap configuration!

Tim Daneliuk     tundra at tundraware.com
PGP Key:         http://www.tundraware.com/PGP/

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