[Rack] more network shenanigans

[Wladyslaw Zbikowski]

Just a couple of comments on the Minotaur upgrade. We used to see a
list of serial ports and what was connected to them, in /etc/motd or
/etc/issue. This doesn't show on login anymore. From my notes, the old
serial configuration was:

ttyS0 switch2 console
ttyS1 bikeshed console
ttyS2 apcupsd
ttyS3 noisebridge-baron

Secondly it looks like the serial ports are getting enumerated
differently and hence the device names have changed. So gate used to
be on /dev/ttyS3 but now there is no ttyS3 and it's moved to
/dev/ttyS5.

Jun  5 13:22:55 minotaur kernel: [    1.124678] 00:06: ttyS0 at I/O
0x3f8 (irq = 4) is a 16550A
Jun  5 13:22:55 minotaur kernel: [    1.160489] 00:07: ttyS1 at I/O
0x2f8 (irq = 3) is a 16550A
Jun  5 13:22:55 minotaur kernel: [    1.196496] 00:08: ttyS4 at I/O
0xc80 (irq = 11) is a 16550A
Jun  5 13:22:55 minotaur kernel: [    1.228493] 00:09: ttyS5 at I/O
0xc88 (irq = 10) is a 16550A
Jun  5 13:22:55 minotaur kernel: [    1.260491] 00:0a: ttyS6 at I/O
0xc90 (irq = 11) is a 16550A
Jun  5 13:22:55 minotaur kernel: [    1.292488] 00:0b: ttyS7 at I/O
0xc98 (irq = 10) is a

On Tue, Jun 5, 2012 at 6:54 PM, Ben Kochie <ben at nerp.net> wrote:
> Sorry, this is probably my fault.  I upgraded minotaur to the lastest
> Ubuntu today.  The dnsmasq functionality probably changed.
>
> -ben
>
> On Tue, 5 Jun 2012, Danny O'Brien wrote:
>
>> So dnsmasq on minotaur suddenly stopped asking other NS servers for
>> DNS queries. After poking at it for far too long, it seems like
>> Ubuntu's weird resolvconf thing broke it. I added:
>>
>> # /etc/dnsmasq.conf is not enough to override resolvconf if it is
>> # installed: the line below must be uncommented.
>> IGNORE_RESOLVCONF=yes
>>
>> to /etc/default/dnsmasq and that fixed it.
>>
>> I also installed etckeeper because, jfc, we need some kind of config
>> management on this thing. Is it backing up anywhere?
>>
>> d.
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>>
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