Re: /etc/rc.d/netif em interfaces

2010-12-01 Thread Brian A. Seklecki (CFI NOC)



To make this problem even stranger, I can make a connection from the
server to a workstation without issue.  It appears to only be incoming


  We've seen something very similar to this; we assumed it was
  EEPROM corruption.

  Is this a Dell PowerEdge by chance?

  Do you have TSO enabled? (-tso or tso flag in $ifconfig_emX)

  Does appending up to the end of if $ifconfig_emX solve the problem?

~BAS


connections.

Thanks again,
--Brian






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Re: Mother board compatibility and CF card usage as main storage device for small DNS server

2010-09-30 Thread Brian A. Seklecki (CFI NOC)

On 9/30/2010 4:11 AM, Kaya Saman wrote:

I mean for a DNS server (all be it a small one) is it wise to use
compact flash as storage??



For our GSLB DNS Slaves, we boot embedded/low power (or even VMs these 
days) systems with CF images off of flash, keep a shadow copy of /etc 
around, and program all file systems with R/W activity 
(/var/chroot/named/cache, where all zone files are fetched from Master 
NS) on MFS partitions, eliminating almost all write operations to the CF 
card.


No swap, and RD / (/var, etc.) and MFS /usr extracted from a tarball via 
modified rc(8).  /shadow is mounted noatime.


Minimal writes to flash.  The systems boot in about 30 seconds.

We actually run NetBSD, but we've done similar models on FreeBSD.

No CF card failures reported in five (5) years.  We use Transcend 
Industrial series.


Where it gets risky is if you just plain install a live functional 
FreeBSD on CF.  A million inodes for /usr/src and CF is about as fast as 
an ESDI hard drive in an IBM XT.


~BAS


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Anyone client-bridge'ing with ath(4) ?

2010-08-12 Thread Brian A. Seklecki (CFI NOC)

All:

  It's a bit hard to track where we stand with this issue.  Is
  anyone having success running client-bridge (wifi0 in client
  mode, briding to wired interfaces)?

  From assorted posts,  I understand ath(4) can't transmit from
  arbitrary source MACs or there's some limitation to the the
  802.11 layer?

  It seems to work as long as the wifi(4) interface is in HostAP
  mode, but I havn't tested it (not looking to do this; well,
  maybe host-bridge-repeater)

  I do this all the time in DD-WRT on crappy Asus SOHO gear
  running Atheros 2xxx and 7xxx chips, so you would think it
  easy.

~BAS


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8.0-R failing to parse DHCP root-path or loader.conf/rc vars (Diskless NFS/PXE)

2010-04-27 Thread Brian A. Seklecki (CFI NOC)

All:


DHCP:
 option root-path 192.168.224.67:/export/tftpboot/root-db;

loader.rc:

 set vfs.root.mountfrom=nfs
 set vfs.root.mountfrom.options=rw
 set boot.nfsroot.path=/export/tftpboot/root-web
 set boot.nfsroot.server=192.168.224.67

loader.conf:

 mfsroot_load=NO
 nfsclient_load=YES
 init_path=/stand/sysinstall
 autoboot_delay=2

The kernel fails to mount / as RW with:

  mount option export is unknown

Then some mysterious file system that isnt' MFS and isn't NFS show up.

I don't think any of the docs out there are up to date, and from mailing 
list discussion, the syntax appears to have changed in 8.0


Anyone out there running a diskless config?

~BAS



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Re: Bacula 5.0 compiler error (crypto.c)

2010-04-26 Thread Brian A. Seklecki (CFI NOC)

On 4/26/2010 9:05 AM, Efren Bravo wrote:

I've OpenSSL 1.0.0 installed and ports up2date.

My server is on production, so, What do you think I should do in my case?



Okay yea you'll need 5.0.1 and a copy of KR or Stevens` APUE to help 
hold you down. [1]


~BAS

1. Down under water, until the thrashing stops.


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PXE + sysinstall(8) install.cfg: DHCP Attribute to map install config/policy to system MAC?

2010-04-21 Thread Brian A. Seklecki (CFI NOC)

All:

  The install.cfg mechanism is pretty wicked.

  Unfortunately, there doesn't seem to be a really efficient way
  to provide new clients (or class of clients) an install.cfg
  without rebuilding an MFSROOT image.

  At least with pxeboot(8), in TFTP-only-mode, using
  dhcpd.conf(5) client{} entries, there isn't a way
  to differentiate policies.

  It's just going to go looking for /boot/loader.rc
  and /boot/loader.conf from wherever DHCP told PXE
  to fetch pxeboot(8) from.

  From there, you need to custom compile a 5 meg
  mfsroot image for each [class of] client.

  With an NFS stage-2 boot, I suppose you could set:
option root-path /export/${client}Root etc.,
  but then your 5 meg mfsroot is just extracted
  1-per-client.

  Still seems a bit ugly.  It seems like we could teach
  sysinstall(8) to fetch install.cfg by some standard
  mechanism.

  Possibly a TFTP or NFS URL passed from the DHCP server
  - boot loader - kernel sysctl - sysinstall(8).

  For example, the Sun SPARC4s would TFTP fetch their
  stage 1 boot loader via TFTP with a filename req
  of their MAC address in HEX format, so one could
  just put symlinks in place.

Thoughts or other ideas?

~BAS

PS: our in-tree tftpd(8) is an unending source of sorrow and misery and 
clinical despair.   ports/net/freebsd-tftp is a lifesaver (it actually 
has debugging)



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Debugging RLIMITs signals: SIGXFSZ and SIGXCPU

2010-04-12 Thread Brian A. Seklecki (CFI NOC)

All:

  I've got a process that is mysteriously receiving a SIGTERM (or other
  signal.  It's a RADIUS daemon; runs a non-Root (not privsep,
  unfortunately).  Identical hardware, identical code, identical
  config on 6.3-PL is fine.

  On 8, the daemon is logging receipt of a non-HUP signal and
  exiting out.

  Our best theory at the moment are changes in default RLIMITs
  between RELENG_6and RELENG_8.

  For example:
  6.3:
  open files  (-n) 11095
  8:
  open files  (-n) 3520

  Either that, or a memory/file handler/other leak that only
  manifests in RELENG_8.

  Either way, I'd like to debug the kernel handling of RLIMITs.

  The best I can find are references to:

  /usr/src/sys/kern/kern_resource.c::lim_cb() to SIGXCPU for RLIMIT_CPU
  /usr/src/sys/ufs/ffs/ffs_vnops.c::ffs_write() to SIGXFSZ or
... RLIMIT_FSIZE

  Not sure about RLIMIT_RSS, RLIMIT_AS, RLIMIT_NOFILE or others.

  Unfortunately, in the two places I see, the call 'psignal()' is
  used in leui of 'killproc()' to pass those custom RLIMIT's
  related signals and psignal() doesn't have any logging like
  killproc().

  It would be really nice if there could be some standardized
  logging for RLIMIT* related resource exhaustion.

  For example:
  /usr/src/sys/vm/vm_pageout.c: killproc(bigproc, out of swap space);


 So my question are:

 1) Anyone else interested in having this feature (RLIMIT
debugging, possibly a sysctl(3))?
 2) Does anyone have any idea how other RLIMIT_ exhaustion is
handled?  A lot of other checks in the code in
kernel_resource.c seems to 'return (error);' on resource
exhaustion.

Thanks,  ~BAS




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Re: ipv6 static route.

2010-01-25 Thread Brian A. Seklecki (CFI NOC)

On 1/25/2010 12:15 PM, Peter Ankerstål wrote:

How do I set a static ipv6 route in rc.conf?

This command works: route add -inet6 -net 2003:16c8:dc1e:2:: -prefixlen 64 
2003:16c8:dc1e::2

and I use this in rc.conf:
ipv6_static_routes=2003:16c8:dc1e:2:: -prefixlen 64 2003:16c8:dc1e::2



Do it like IPv4 static routes with an itemized/serialized list:

 ipv6_static_routes=pitbpa0_0 pitbpa0_1 faith_0 faith_1
 ipv6_route_pitbpa0_0=2607:f000:0010:0100::/56 2607:f000:10::4000
 ipv6_route_pitbpa0_1=2607:f000:0010:0200::/56 2607:f000:10::4000
 ipv6_route_faith_0=2607:f000:10:0::: -prefixlen 96 ::1
 ipv6_route_faith_1=2607:f000:10:0::: -prefixlen 96 -ifp faith0

Keep the faith, yea?

~BAS



but it does not set the correct routes.
--
Peter Ankerstål
pe...@pean.org
http://www.pean.org/


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Re: Yahoo! moving to Linux???

2009-12-19 Thread Brian A. Seklecki (CFI NOC)

http://m.de.yahoo.com was running YTS on Linux when last queried at
19-Dec-2009 19:12:25 GMT - refresh now Site Report

Hard to stand, I'd expect FreeBSD get replaced by Windows because of
MS/Yahoo! agreement, but Linux??


Its possible the frontend loadbalancer/L4 switch is an A10 at Yahoo!, 
and the A10 signature should resemble embedded GNU/Linux.  Or does it go 
by server version string?


~BAS


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Re: Specific interface to default route

2009-11-25 Thread Brian A. Seklecki (CFI NOC)

Anthony M. Rasat wrote:

Dear all,

I have two (ethernet) network interface with IP address within the same subnet, call it msk0 and nfe0. 

Interface msk0 have IP address 192.168.0.2 and nfe0 192.168.0.3 and default router IP address is 192.168.0.1. 



route(8) takes a 'dev' argument, but the community wouldn't endorse what 
you're doing.



Unless you're looking to ensure job security :}

~BAS
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Re: Apache 2.2 mod_ldap refusing to work over SSL/TLS

2009-11-25 Thread Brian A. Seklecki (CFI NOC)



As far as I can tell, it doesn't even get to the certificate
verification phase even though the STARTTLS command is successful.


Is there any level of debugging that can be increased on the Apache side 
?  Possibly a build/compile-time option for the module?


Debugging apache code can always be tricky because of the threaded/child 
process nature.


We use mod_authz_ldap and it works okay, but OpenLDAP an can be a real 
beyotch when it comes to SSL/TLS.


E.g., we feel your pain.  The only way out, is through.

~BAS


Anyone have a clue on what could be causing this?

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Re: jail - beginner questions

2009-11-18 Thread Brian A. Seklecki (CFI NOC)



I really think that it should be corrected to:

cd /usr/src
make distribution DESTDIR=$D


That's almost certainly correct, but it notes:

  Notes
  [1] This step is not required on FreeBSD 6.0 and later.



But then I get this error in syslog:

bind: Can't assign requested address



That's a general ntworking error.  We'd need to see your 
ifconfig(8)/netstat(8) -rn and rc.conf(5) network settings to figure 
that out.


~BAS
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