Displaying 8 results from an estimated 8 matches for "hkclark".
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2007 Jun 05
4
CentOS 5 Issues Booting Under VMWare
Hi,
VMWare has been a great tool for me to experiment with CentOS 3 and
CentOS 4. However, I'm running into issues with CentOS 5. First, it
is *extremely* slow to boot (as in it takes over an hour to boot
CentOS 5 on a machine that boots CentOS 3 & 4 in less than one
minute). Then, after an hour of slowly watching the messages go by on
the console and the CPU of the host machine pegged
2006 Mar 23
1
Problems Formatting /boot With CentOS 4.3 on a DL360 G3
I have been trying to install CentOS 4.3 on an HP DL360 G3 (with dual
Xeon 3.2 GHz, a Smart Array 5i, and two 36 GB disks doing RAID 1
mirroring). I''m doing all defaults (including the disk and LVM setup)
and using the "Minimal" checkbox at the bottom of the Custom machine
type package selection screen, so it''s a very "vanilla" install. It
zips through the
2007 Feb 09
3
CentOS 3 vs. CentOS 4 Memory Utilization
I'm helping some folks who have a CentOS 3 i386 server with 512MB of
RAM. The output of 'free' looks like:
$ free
total used free shared buffers cached
Mem: 511428 497956 13472 0 29868 178280
-/+ buffers/cache: 289808 221620
Swap: 2040244 120644 1919600
The box does not even have X installed...
2006 May 06
1
Not Responding To TCP Connections
I have a CentOS 3 box that appears to be having problems where a TCP
SYN comes into port 80 for an Apache Tomcat web application, but the
rest of the TCP "3-way handshake" isn't happening. When the error
occurs, I always see this pattern in tcpdump:
* A TCP SYN comes in from the client
* ~3.25 second later I get another TCP SYN from the client
* ~6.5 seconds after that I get
2005 Aug 01
5
Tracking Traffic By Port or Process?
Does anyone know of a way to track TCP/IP traffic by TCP/UDP port
and/or by process/daemon with CentOS? I know a variety of ways to
track it in total (e.g., ifInOctets & ifOutOctets with SNMP), but I'm
not sure how to be approach seeing traffic by application, port, or
process.
One option would be to write something that would sift through
different stuff for each daemon (for example,
2005 Sep 22
13
Recommendation On Ping And Alert Tool
A bit off topic, but I keep looking for an answer to this question and
coming up with nothing... so I thought I would go to the gurus. :-)
Can anyone recommend a good package for pinging other devices and sending
an email/alert when they go down? I'm aware of all kinds of more complex
things with GUIs and a zillion other bells and whistles we aren't looking
for, but we just want a simple
2005 Apr 07
2
MailScanner SPAM Forward & Postfix Problem
First, thanks to the CentOS folks for creating such as awesome distro!
Second, thanks to all for contributing to such an great mailling
list!
I installed MailScanner/SpamAssassin/ClamAV last week based on the
excellent threads that have recently discussed the subject. For folks
who missed it, I used Johnny's wonderful guide at
http://www.hughesjr.com/content/category/1/14/30/Guides (see
2005 Apr 09
2
MailScanner With One vs Two Postfix Instances
An interesting point came up while recently discussing my Postfix
virtual_alias issues with the MailScanner list. Apparently there is
some risk with the "two instances of postfix" approach described in:
http://www.hughesjr.com/content/view/12/30/Guides
It sounds like Postfix and MailScanner can step on each other in the
deferred queue. They recommended the single Postfix instance