, the 'active tcp sockets' reported by sar seems wildly
inaccurate, it reports only ~10 active tcp sockets, it barely varies
from the system being idle to the system being maxxed out.
The docs I can find says seek expert assistance..any experts reading this ?
Running CentOS 4.6
thanks
nate
missing a command to actually BUILD the kernel.
What is it?
try rpmbuild -bb instead of -bp
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rpmbuild -bb (or -ba to build a new src rpm as
well), applies all the right patches automatically.
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Controller
[EMAIL PROTECTED] ~]# cat /etc/redhat-release
CentOS release 4.6 (Final)
[EMAIL PROTECTED] ~]# dmidecode | grep -i 1950
Product Name: PowerEdge 1950
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motherboards.
Pretty much every server platform runs linux, I can't really think
of any that don't(that are at least x86,x86-64 or Itanium).
10 years ago this was more of an issue, today it's not.
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primarily of users that don't want the latest greatest (which is why
they use that distribution in the first place).
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console and
connect a system to the console. When the system panics it will output
the panic to the console which you can then copy/paste to a file and
post to a mailing list or support forum for help.
nate
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change depending on your
environment)
nate
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else to compare how
it performs vs what I have now. With the goal of pumping out the
highest number of transactions per second possible with the hardware/power
utilization.
thanks
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Joshua Baker-LePain wrote:
A pretty good discussion of this just occurred over on the beowulf mailing
list. See http://marc.info/?t=12107921039r=1w=2.
Thanks! It seems I should just stop looking, not cost effective for
my purposes. Sigh
nate
be needed with ajp12, not sure.
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ajp12
assuming ajp12 is the name of your worker in worker.properties
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as my hardware changes are very rare, I can't remember
the last time I used kudzu on a server.
chkconfig --level 2345 kudzu off
/etc/init.d/kudzu stop
for me this happens automatically during kickstart.
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with a serial console and capture the
error using a terminal emulator on another machine plugged into your
serial console.
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to try to find the
differences in what driver is loading.
nate
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leave idle.
#
#daemon,mail.*;\
# news.=crit;news.=err;news.=notice;\
# *.=debug;*.=info;\
# *.=notice;*.=warn /dev/tty8
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version your using now(if any),
or what your using the systems for, so I think it's impossible to
answer the question without more information.
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record
of an interactive session as proof of an assignment, as the
typescript file can be printed out later with lpr(1).
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systems(as to most other
whitebox vendors).
nate
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there is an issue and can start swapping hardware until it's
fixed(or just replace the whole system).
http://sourceforge.net/projects/va-ctcs/
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ipmitool shell
You may need to install some dell specific drivers as well.
Once in the ipmi shell try commands like
sensor
lan print 0 (print's IPMI controller config)
This works for me on the DRAC 5, haven't tried DRAC4, but it works
on other non dell IPMI systems as well for me.
nate
into
it and connect to the serial console that way).
nate
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or CentOs 2.x, I'd think one of them
would support 486, and in theory at least they are still getting
security updates. Older hardware often needs older software to run,
at least there's an option to run older software that's still
supported.
nate
not
sure if it'll work for NTFS but if you really want to force unmount
try
umount (path to mounted file system) -l -f
You may want to check to see if any files are in use on that file system
first, for that I'd use lsof
lsof | grep (path to mounted file system)
nate
. Probably
ran about 350 cards over the years, most of them in the 8000
series.
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fabian dacunha wrote:
really wd apprecite your help and ideas with examples
add this to your bind options section
forwarders { 172.31.1.240; };
and restart named, your named will now forward all requests that
it's not authoritative for to the above system.
nate
that conflict with other packages as well, I've
never tried installing everything before.
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running iSCSI as well, though there
was only 1 path(used it for consistency)
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like your local SMTP server is not functioning properly, check
the mail logs.
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mcclnx mcc wrote:
I did NOT see anything wrong on /var/log/maillog.
Can you telnet to localhost 25 and send a mail that way ?
e.g.
[EMAIL PROTECTED]:~]$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
220 portal.aphroland.org ESMTP Postfix
commands, never from inside Oracle
itself.
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after installing my /etc/sysconfig/i18n has
LANG=en_US.UTF-8
SUPPORTED=en_US.UTF-8:en_US:en
in it
Maybe the 2nd line langsupport is needed, not sure. The previous
places I worked at just used en_US, not UTF.
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shows that
messages have been passed to procmail. Procmail won't run if the perms are
wrong, so where do the messages go?
$HOME/dead.letter ?
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or downtime.
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Rudi Ahlers wrote:
nate wrote:
Rudi Ahlers wrote:
This raises an interesting question. What do you do in this kind of
scenario? How do you upgrade a NAS / SAN with say 5 / 10 TB worth of
data?
Nate, what EXACTLY does that have todo with the topic? We're talking
about a self-build NAS
MHR wrote:
I thought it might be a feature of the lists, or gmail, but I can't
find anything that explains it - the messages don't even show up in my
trash.
I do see all of my own posts, so perhaps it is a feature of gmail,
I've never used it so can't say for sure.
nate
requiring a hard power cycle.
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.
(this was running their stable distribution)
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avoid it.
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on the console pretty easily.
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of a system that
freezes in this fashion, log events that point to the cause are extremely
rare.
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on both ends of
the connection?
- I assume the ping you are running is only 1 or 2(if there's a hub/switch
in between) hops away?
- Any errors reported by ifconfig ? any collisions?
- Try replacing the card itself? maybe it is bad.
nate
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by with nobody saying anything, with 10+ people in the channel)
IRC was quite addictive for me anyways in the 90s.
nate
--
This message has been 'sanitized'. This means that potentially
dangerous content has been rewritten or removed. The following
log describes which actions were taken.
Sanitizer
/init.d/networking start
Verify that the 8139cp driver is not loaded: lsmod | grep 8139cp
If 8139cp is loaded again try flat out moving the module out of
the /lib/modules/`uname -r`/ directory tree to another location,
and repeat the above.
and try your test again
nate
nate wrote:
One thing to try, shut down the network interfaces (/etc/init.d/network
stop),
I noticed this which seems to be kinda-sorta-maybe related to what
you are experiencing:
https://bugs.launchpad.net/ubuntu/+source/gnome-network/+bug/35683
The suggestion is to boot with the option pci
the file extension? If you name it .mpg it should automatically
get a mime type of video/mpeg according to /etc/mime.types
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Phil Savoie wrote:
Hi Nate,
The extension is .mp4
I think the best thing to do is rename it to be .mpg as that is
more compatible(no need to change server config).
But if you really want to change the server config you can
edit /etc/mime.types and add an entry for mp4
My CentOS 4.x
Robert Moskowitz wrote:
AH, that's the ticket.
ping times to 1 hop hoss 1ms
Thank you very much!
Sure thing, I guess that's just another data point that Realtek
chipsets aren't the best thing to be using these days, seems
flaky.
glad it was an easy fix(this time..).
nate
major version gets
installed automatically..ouch. Fortunately it's not something I have
to deal with :)
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Victor Padro wrote:
Even if it's fake RAID5(RAID software)?
Didn't know that.
The only way you can have 2 disks in RAID 5 is if it's a 3 drive
array with one failed disk.
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, it offers zero data protection(pun intended?).
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forget to account for encoding overhead, which can be up to 30%
(maybe more).
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do on my systems
RedirectMatch /testdiary$ http://mysite.example.com/testdiary/
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is pretty easy to setup, there's tons of docs out there.
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their capabilities/limitations
are as I rarely if ever use them.
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A?
www.nasa.gov.edgesuite.net. (44)
My internal name server forces the source port to be 53, so you may not
want to use the port 53 option if your source port is random.
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sure thing g
MHR wrote:
Please stop top posting.
Thank you.
mhr
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destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
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remount,noatime
e.g.
mount / -o remount,noatime
mount /usr -o remount,noatime
You can verify the options by running 'mount'. If this does the trick
you can add the options to /etc/fstab, e.g.
LABEL=/ / ext3defaults,noatime
1 1
nate
iptables off
Or you can add a rule to accept traffic for the particular port.
I don't know the specifics about adding rules to the built in firewall
I've always ditched the distribution specific firewalls and built my
own. I'm sure there are some docs out there somewhere though..
nate
will turn up results.
This looks informative:
http://kerneltrap.org/node/14148
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get the system to log what causes the drive to spin
up.
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on a laptop where the
chance of an unclean shutdown is much higher than that of a server,
hate those fsck times..
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chloe K wrote:
Hi all
how can I resend the undeliverable from 5 days to 3 days?
What MTA are you using ? You can only do this if your sending from
a server you control. You can't change this setting for your
yahoo account for example.
Postfix? Sendmail? Exim ? Qmail? other?
nate
environments). And Ubuntu on stuff like laptops that need more up
to date drivers.
nate
(Debian user since ~1998, RHEL user since ~2003, CentOS user since ~2006)
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/null
These reference /dev/null which isn't related.
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a sound(I
use mpg123 out of habbit which plays mp3 files), and see if you
notice any permission denied type errors.
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don't think(hope) would happen until a major OS rev is
issued.
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.
What I do is: strace -fF command 1/tmp/strace.log 21
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MHR wrote:
On Wed, Jul 9, 2008 at 4:35 PM, nate [EMAIL PROTECTED] wrote:
Maybe it's not looking where you think it is looking..
I'd run the app with strace to find out what files it is attempting
to open.
What I do is: strace -fF command 1/tmp/strace.log 21
I got a ton of output
to that system in
the first place.
The second log entry would be the server seeing that it had leased that
IP out to the system and released it.
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, API version 3.0, ROM version 1.0
vmi: registering clock event vmi-timer. mult=7809995 shift=22
Booting paravirtualized kernel on vmi
vmi: registering clock source khz=1862048
Time: vmi-timer clocksource has been installed.
I suspect it will be in RHEL/CentOS 6.x
nate
of the I/O subsystem. VMware has
recently demonstrated a ESX system being able to sustain 100,000 I/Os per
second (maxing out ~500 15k RPM disks), and that wasn't using
paravirtualization. If you can get 100k IOPS with normal virtualization...
nate
is missing, can someone help to resolve this
issue.
Do you see it in /proc/scsi/scsi ? If not then your scsi card isn't
seeing it or the driver for the scsi card isn't loaded or something.
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, and if
the SCSI driver for your SCSI controller is loaded, the tape drive
will show up as a SCSI device.
Does your SCSI controller have a BIOS? Does the tape drive show
up in the SCSI bios?
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Pitshou Asingalembi wrote:
yes,
when the computer reboots, i saw the tape drive as device detected. but i
can not use it when i log on
What kind of scsi controller exactly? send the output of 'dmesg'
as well.
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another SCSI card to connect the
tape drive to.
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with.
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to the system with
something like virtualization, certainly not perfect but it's
better then nothing, it will help dramatically against the
most common, casual attacks.
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to-date for
me at least I've only used active-passive in linux. I do use active-active
(usually 4 links going to two different switches) in VMWare ESX.
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CentOS for the rest, or some other RHEL offshoot.
If they have a problem on CentOS they repro it on RHEL and if
they can they can get a fix from Red Hat.
Not the most honest thing to do in my opinion but it is an option
in many cases.
nate
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:*
12978/named
udp0 0 127.0.0.1:530.0.0.0:*
12978/named
udp0 0 216.39.174.24:530.0.0.0:*
12976/named
nate
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I use OpenBSD.
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. If the system
simply crashes and needs to be rebooted then it is likely nothing
is lost.
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Storage Management(ASM). In that case Oracle's stuff
handles all of the direct I/O without needing anything to do with
/dev/raw, infact I've explicitly disabled the raw service on all of
my servers because I've never needed it.
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the applications you wish to run directly
or maintain them yourself.
And of course security/stability rarely means having the latest version.
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PROTECTED]:~]$ which ps2pdf
/usr/bin/ps2pdf
[EMAIL PROTECTED]:~]$ rpm -q -f /usr/bin/ps2pdf
ghostscript-7.07-33
I use it all the time
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pretty much everywhere else other than firewalls. Even
my preferred network gear - load balancers and switches run linux
(commercial variants).
nate
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Bill Campbell wrote:
Is there any reason why /etc/hosts would be missing the line,
127.0.0.1 localhost?
no.
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are not behind a firewall(F5 Global traffic managers), the
internal ones are not accessible outside the network. DNS cache
poisoning is the least of my worries if an attacker has access to the
internal network.
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and then try to find someone to support them. Pick a
base platform to use and build your system around the applications
they support.
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having to enable that option
years ago else I couldn't query through the firewall.
Still I think caching name servers should be more protected whenever
possible, as this fix isn't really a fix it just makes it a bit harder
to determine what the id is.
nate
mcclnx mcc wrote:
Thanks.Â
Â
what I need is original REDHAT version /etc/redhat-release not CENTOS.
You can get the original REDHAT version from www.redhat.com
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exporting logical drives
of smaller sizes which worked for me.
Last I heard you couldn't boot off of drives larger than 2TB with a
normal bios(with Intel's EFI I think you can?).
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Daniel Bird wrote:
Using the QLoigic SAN Surfer software all the LUN's/devices are visible
to the host.
Do you see the devices in /proc/scsi/scsi ?
nate
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to the host.
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? Is it simply a SMTP relay
or is mail being stored on the system and users accessing it? If
users are accessing it what type of mail storage(mbox, maildir, cyrus
etc).
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the best way to
accomplish what I wanted).
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