Possible to run 2 instances of Bind DNS server in jails??

Kaya Saman SamanKaya at netscape.net
Sun Jan 10 20:50:08 UTC 2010


Vince Hoffman wrote:
> The only bit I'm not certain on is dedicating a nic to a jail (more 
> because I havent tried than because I believe it cant be done, I'd 
> expect that the network stack virtualization in 8+ should allow this.) 
> You can most definately run seperate instances of applications in 
> jails. I'd recomend subscribing to the freebsd-jails mailing list 
> (http://lists.freebsd.org/mailman/listinfo/freebsd-jail) for jail 
> specific questions as I've only dabbled with them a little. But a 10 
> second example
>
> [root at seaurchin ~]# jls
>   JID  IP Address      Hostname                      Path
>     1  10.20.0.3       womble                        /var/jails/womble
>     2  10.20.0.2       foobar                        /var/jails/foobar
> [root at seaurchin ~]# jexec 1 ps ax
>  PID  TT  STAT      TIME COMMAND
> 8166  ??  SsJ    0:06.69 /usr/sbin/syslogd -s
> 8231  ??  SsJ    1:00.94 sendmail: accepting connections (sendmail)
> 8235  ??  IsJ    0:00.92 sendmail: Queue runner at 00:30:00 for 
> /var/spool/client
> 8241  ??  SsJ    0:08.55 /usr/sbin/cron -s
> 79334  ??  IsJ    0:00.06 /usr/sbin/named -u bind
> 79559   0  R+J    0:00.00 ps ax
> [root at seaurchin ~]# jexec 2 ps ax
>  PID  TT  STAT      TIME COMMAND
> 8504  ??  IsJ    0:01.15 sendmail: Queue runner at 00:30:00 for 
> /var/spool/client
> 8510  ??  SsJ    0:08.35 /usr/sbin/cron -s
> 79447  ??  IsJ    0:00.07 /usr/sbin/named -u bind
> 79584   0  R+J    0:00.00 ps ax
>
> Hope that helps
>
>
> Vince
>
>
Thanks Vince! That really helps a lot :-)

Will check the jails mailing list out and see what I can discover 
regarding the NICs.......

Regards,

Kaya



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