cvs commit: src/usr.sbin/jexec jexec.8 jexec.c

Alexander Leidinger Alexander at
Fri May 30 14:51:04 UTC 2008

Quoting Robert Watson <rwatson at> (from Thu, 29 May 2008  
15:56:50 +0100 (BST)):

> On Thu, 29 May 2008, Michael Reifenberger wrote:
>> On Thu, May 29, 2008 at 03:14:20PM +0100, Robert Watson wrote: ...
>>> The other concept that might be of benefit is a "dead" jail vs. a  
>>> "live" jail -- with TCP connections taking a while to run down,  
>>> there can often be dangling jail references that don't garbage  
>>> collect for a few minutes. Perhaps, where there is ambiguity, live  
>>> jails (ones with referencing processes) should be preferred to  
>>> dead ones.
>> Thats something that the admin should take care for.
> How might they do that?  Remember that any command that works only  
> when the jail IP is "unambiguous" will become effectively  
> non-deterministic as a result of un-garbage collected jails.  So

Is it feasible to change the hostname of a dying jail? We could prefix  
it with some string at some point of the shutdown...


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