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Please help me rate vnc, rdesktop, and freenx
by Robert Moskowitz 08 Dec '07

08 Dec '07

I have been dragging my feet on remote display, and have just gotten VNC going to have SOMETHING to move off the start line. But I need the 'best' for different situations, so I want to rate them. 1 to 3 where 1 is the 'best' for the catagory and 3 the loser. VNC RDESKTOP FREENX Server memory Server cpu client memory client cpu bandwidth thanks. I AM search the net for this information. So far have not found the magic query request :)

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Re: [CentOS] OT: Network Servers window kills all Nautilus windows in CentOS 5.1?
by MHR 08 Dec '07

08 Dec '07

On Dec 6, 2007 9:53 PM, js <security(a)air-austral.com> wrote: > > MHR wrote: > > In the process of doing something else, I happened to open the Network > > Servers window from the Places applet menu. When I did, it killed all > > my Nautilus windows on all my workspaces. (I had to experiment a > > little to prove this, but it did happen.) > > > > Is there an explanation for this and what? > > > > Thanks. > > > > mhr > > > > Same problem in Ubuntu 7.04/7.10 too .. time to use Konqueror . > My apologies: 1) That is not an answer, although it is an alternative. 2) This is OT here (so marked) - still, does anyone have a clue? Thanks. mhr

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Setting read/write file access on cifs mounted file system
by Andrew Allen 08 Dec '07

08 Dec '07

I'm accessing a cifs mounted file system (on a MS Windows XP machine) from my CentOS 5 box. I can't edit/save files on the remote cifs system using OpenOffice etc, although I can copy/paste whole files OK (ie from CentOS to cifs). I've looked at the permissions on the mounted cifs and see that I have folder access "create and delete files" but not file access (the setting is blank). I've tried setting file access (as root) to read and write, but it doesn't allow me to do this - any suggestions as to how to resolve this please? Thanks, Andy

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VNCsever not starting at boot
by Robert Moskowitz 08 Dec '07

08 Dec '07

When I run system-config-services, it shows vncserver set to start at boot. in /etc/inittab I have init 3 vncserver does not start at boot. I log in on the console as root and service vncserver start and it starts with some warning messages about bad display name in "add" command, but I do not see where these are logged to copy them into this message. Once I start it from the console, I have trouble using the vnc client to access the server. I really need for the vncserver to start at boot, as I want it to run in a place with no monitor or keyboard....

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Re: [CentOS] Where are my VIM colors?
by Ross S. W. Walker 08 Dec '07

08 Dec '07

Please check the changlelog for vim, RH backports patches, so on a RH system, vim install will not be the same as the officially released version of the same number. -Ross -----Original Message----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Fri Dec 07 13:04:13 2007 Subject: Re: [CentOS] Where are my VIM colors? Jon Stanley wrote: >On Dec 7, 2007 11:30 AM, Charles E Campbell Jr ><charles.e.campbell(a)nasa.gov> wrote: > > > >> - If you didn't install vim-enhanced, I suggest getting the vim >>source, preferably applying the patches, and compiling it yourself: >> >> > >Why? There would be nothing that we could do to support anything >compiled form source. I attempt to discourage it as much as possible. > > * many (usually hundreds) of bugs from any earlier releases have been fixed if one is using an earlier release * applying patches fixes yet more bugs (currently there are 170 patches to vim 7.1) (admittedly, I didn't specify how to apply patches) * runtime files have been updated (generally to fix bugs) * there are options associated with the configure, such as whether to have ruby, perl, cscope, Sun workshop, etc support compiled in (see configure --help for the list) * if one wants support for vim, there's an active mailing list for it with many knowledgable folks, including vim's author (see http://vim.sf.net/ for details) Regards, Chip Campbell _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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Where are my VIM colors?
by israel.garcia＠cimex.com.cu 07 Dec '07

07 Dec '07

Maybe, it's stupid question but I've just installed CentOS5 and when I'm going to edit some of my conf files I see no colors as it did in old CentOS4x... I'm using: [root@domian:~]$ echo $TERM xterm Thanks in advance, Regards, Israel

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Re: [CentOS] Re: Please help me rate vnc, rdesktop, and freenx
by Les Bell 07 Dec '07

07 Dec '07

Scott Silva <ssilva(a)sgvwater.com> wrote: >> Yeah... ssh into the server, vi whatever.conf re-[start|load] service, exit ssh. "the simple things are sometimes the best!" << Darn straight. And using ssh-agent (or Pageant with PuTTY on Windows) in conjunction with key forwarding, you can make it easy to script stuff that runs across multiple machines, thereby automating an entire server farm, if you want to. Unix admin maxim: if you have to do something more than once, write a script for it. See http://www.lesbell.com.au/Home.nsf/web/SSH+for+Server+Administration?OpenDo… We certainly don't want to revert to the "point-and-grunt" method of doing things found in the Windows world. I thought we'd put that behind us when we stopped living in the trees. [I considered a "wink" smiley here, but decided against it. ;) ]. Best, --- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909

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perl-libnet on CentOS 5?
by Amos Shapira 07 Dec '07

07 Dec '07

Hello, Is there any package on CentOS 5 which provides perl-libnet? Beartbeat 1 depends on it but so far I couldn't find a package. Also - is there a way to find which non-installed package contains files with matching names (a-la Debian's apt-file)? I know about "rpm -qf" but it only works on packages which are already installed. I saw some place mentioning a command called "pin" but I couldn't find it (sort of "chicken and egg"?). Thanks, --Amos

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Cannot open /dev/mcelog
by Michael Mertel 07 Dec '07

07 Dec '07

Hi there, I'am running CentOS 5.1 on a Dual AMD Opteron QuadCore System, without major issues so far. But if I call mcelog I'am getting the message "Cannot open /dev/mcelog" ... because it's not there. I'am running 2.6.18-53.1.4.el5xen kernel, is this related in any form? I found something similar for the debian universe: http://www.mail-archive.com/debian-bugs-closed@lists.debian.org/msg11168 4.html Best Regards --Michael

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CentOS Repo Questions (and Samba)
by Bit 07 Dec '07

07 Dec '07

Hello, I have two questions which are really CentOS repository related, but they primarily revolve around the Samba packages available. 1) Why is the s390 architecture version of Samba for CentOS 4 so much more up to date than the i386 architecture version? If you open these two links in a browser window... http://isoredirect.centos.org/centos/4/updates/i386/RPMS/ http://isoredirect.centos.org/centos/4/updates/s390/RPMS/ and compare the available rpms, the s390 version of samba is 3.0.25b, while the i386 version of samba is only 3.0.10. 2) On a related note, why does it appear that a recent security update was not applied to the CentOS 4 i386 architecture version of samba? If you look at the top two patches listed on the Samba homepage here: http://us3.samba.org/samba/history/security.html You will see that they should apply to all versions of samba from 3.0.0 to 3.0.26a. So that would include the i386 CentOS 4 version of samba because it's 3.0.10. I am on the CentOS Announcements mailing list, and I still have not seen an announcement that this has been fixed in the i386 CentOS 4 version of samba. I have seen announcements for CentOS 3 i386, CentOS 3 x86_64, and even CentOS 4 s390. But not for CentOS 4 i386. What gives? Thanks, - Bit

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yum -- what repo sites were accessed?
by Robert Moskowitz 07 Dec '07

07 Dec '07

Is there a way to see what repo sites were used by yum? I want to check that my local repos are actually being used.

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Help with /usr/share/sendmail-cf/m4/proto.m4 - fax macro
by Robert Moskowitz 07 Dec '07

07 Dec '07

OK. Digging into this... sendmail.m4 has the lines: define(`FAX_MAILER_PATH',`/usr/bin/faxmail')dnl define(`FAX_MAILER_ARGS',`faxmail -d -n -p 12pt $u@$h $f')dnl MAILER(`fax')dnl proto.m4 has: `R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user(a)host.FAX', `ifdef(`FAX_RELAY', `R$*<@$+.FAX.>$* $: $>MailerToTriple < $F > $1 <@$2.FAX.> $3 user(a)host.FAX', sendmail.cf has: R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user(a)host.FAX If the To: header is: joe(a)222.fax.foo.com creates a -d argument of: >joe<@2201.fax.foo.com. changing the proto.m4 to: `R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host', `ifdef(`FAX_RELAY', `R$*<@$+.FAX.>$* $: $>MailerToTriple < $F > $1 <@$2> $3 user@host', makes no difference.... So either I need a LOT of help understanding the expressions in proto.m4 or proto.m4 is NOT the source of the content of sendmail.cf and I need to find the REAL source....

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Cyrus y clamav
by Percy Gonzales 07 Dec '07

07 Dec '07

Estoy en procura de instalar un servidor de correo sobre Centos 5 , me he guiado en un tutorial de instalacion sobre centos 4, pero al momento de instalar algunos paquetes, he descubierto que los siguientes paquetes no se encuentran en los repositorios estos paquetes son: cyrus-imapd-nntp cyrus-imapd-murder clamav-lib clamav-data clamav-update clamav-server o sera que estos ya ha sido incluidos ne algun otro los paquetes instaldos son: cyrus-imapd-2.3.7-1.1.el5 cyrus-sasl-plain-2.1.22-4 cyrus-sasl-2.1.22-4 cyrus-imapd-perl-2.3.7-1.1.el5 cyrus-imapd-devel-2.3.7-1.1.el5 cyrus-sasl-lib-2.1.22-4 cyrus-imapd-utils-2.3.7-1.1.el5 cyrus-sasl-md5-2.1.22-4 cyrus-sasl-devel-2.1.22-4 cyrus-sasl-gssapi-2.1.22-4 y clamav-db-0.91.2-1.el5.rf clamav-0.91.2-1.el5.rf alguien me puede orientar al respecto? gracias saludos Percy

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centos 5.1 netinstall iso bugged ?
by kOoLiNuS - Nicola Losito 07 Dec '07

07 Dec '07

Hi all, i'm trying out a netinstall test installation. When asked to where I do want to install I got a bunch of choices. If i select HTTP I insert: server: mirror.centos.org path: centos/$releasever/os/$basearch but then he says to me that he can't find the "boot.iso" in: http://mirror.centos.org//centos/$releasever/os/$basearch ^^^^^^^^^^^^^ please note the double /. If then i go back I see: path: /centos/$releasever/os/$basearch with a /at the beginning I did not enter. Ideas ? TIA, Nicola -- Nicola Losito kOoLiNuS blog http://koolinus.wordpress.com {ita} http://www.koolinus.net AIM/Gtalk/Yahoo/ICQ/Jabber: koolinus

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Network Servers window kills all Nautilus windows in CentOS 5.1?
by MHR 07 Dec '07

07 Dec '07

In the process of doing something else, I happened to open the Network Servers window from the Places applet menu. When I did, it killed all my Nautilus windows on all my workspaces. (I had to experiment a little to prove this, but it did happen.) Is there an explanation for this and what? Thanks. mhr

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remote ssh to machine how display firefox
by Jerry Geis 07 Dec '07

07 Dec '07

> > >/ > />/ Jerry Geis wrote: > />/ >/ I can ssh into a remote machine. > />/ />/ I can start X on that machine with startx > />/ />/ > />/ />/ How do I then start firefox on that machine (from the ssh prompt) and > />/ />/ have it display on my machine in my office. > />/ />/ > />/ />/ So I want to be using firefox on the remote machine but displaying the > />/ />/ screen output from firefox in my office. > />/ />/ Both boxes are running centos 5. > />/ / > />/ don't startx on the REMOTE machine, have it running on the LOCAL machine. > />/ > />/ local$ ssh -X remote > />/ ...authenticate... > />/ remote$ firefox / > /& > />/ > />/ and firefox should open on the local... > / > I tried the above (without the &) and firefox just returns. > > I looked at /etc/ssh/sshd_config and X11Forwarding is yes. > > ssh -X remoteIP firefox It just took a really long time through the internet... Thanks, Jerry

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tomcat
by Craig White 07 Dec '07

07 Dec '07

trying to install tomcat and seem to be missing a piece called mysql-connector-java Does such a thing exist for tomcat5 that is packaged and compatible with base install? Craig

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Re: [CentOS] 5.x install - loses display when launching, anaconda
by David G. Miller 07 Dec '07

07 Dec '07

Tom Lanyon <tom(a)netspot.com.au> wrote: > On 06/12/2007, at 8:20 AM, James A. Peltier wrote: >> > Tom Lanyon wrote: >> >>> >> Hi all, >>> >> Trying to install 5.0 or 5.1 (i386 or x86_64) on a new system from >>> >> an install DVD. As soon as the installer launches anaconda, the >>> >> screen shuts off and from this point I'm unable to switch to any >>> >> other tty. This is an Intel core2duo machine on an Intel P35 >>> >> chipset motherboard, Geforce 8400GS video card connected to a BenQ >>> >> 20" widescreen LCD. >>> >> Any ideas what could cause this behaviour or how to debug further >>> >> (obviously I can't see any error messages as my virtual consoles >>> >> are no loner available)? >>> >> I think I'll try installing via a serial console when I get home >>> >> and see if I have more success. >>> >> Regards, >>> >> Tom >>> >> > >> > Try installing via a text console >> > >> > type linux text at the boot prompt. >> > > I forgot to mention I tried installing via both graphical and text. > Also tried a network-based text install. All presented no video output > whatsoever at the anaconda launch point. I think the correct option is "nofb" for no frame buffer at the original install screen (linux nofb). I ran into this when I first put Linux on my laptop back in the summer of 2005. I originally worked around it by just attaching an external monitor which also works but takes a little more planning and effort. The problem probably has something to do with anaconda shifting into graphics mode when anaconda starts but the mode isn't compatible with the laptop's LCD display. Using nofb tells the kernel not to use frame buffers which keeps the install in a standard (e.g., VGA) mode or the external monitor works with the display mode. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

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RHEL 5 vs. CentOS 5
by Lopez, Denise 07 Dec '07

07 Dec '07

Hi all, I would like to first preface this e-mail by saying if this topic has been covered already, could someone point me to the month of the discussion and I will gladly read it. We have been using RHEL 3 / 4 in our environment and I am very happy and satisfied with the stability of the OS. Now with the new technologies incorporated into RHEL5, specifically Virtualization, Clustering, and Storage, and the costs associated with them, I was wondering how similar CentOS and RHEL 5 were. It is my understanding that CentOS is RHEL 5 with the RedHat icons removed but the functionality of the packages is the same. In addition, updates may come a day or two later than RHEL 5. My boss is a little concerned about the differences since we host production servers that require minimal downtime. Any thoughts and opinions are very welcome. Thank you for your input. Denise Lopez UCLA - Center for Digital Humanities Network Services Linux Systems Engineer 337 Charles E. Young Drive East PPB 1020 Los Angeles, CA 90095-1499 310/206-8216

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Updating kernel from CentOS 5 to 5.1
by Andrew Allen 07 Dec '07

07 Dec '07

To upgrade the kernel to CentOS 5.1 (to take advantage of support for Dell wireless card bcm43xx), should I update everything or just type 'yum update kernel', or what? Also, is it OK to remove 'old' kernels (which appear in the boot list) when they are no longer required? Thanks, Andy

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Re: [CentOS] Please help me rate vnc, rdesktop, and freenx
by Les Bell 07 Dec '07

07 Dec '07

Robert Moskowitz <rgm(a)htt-consult.com> wrote: >> 1 to 3 where 1 is the 'best' for the catagory and 3 the loser. << You fogot the ssh/vi combination, which rates 1 across the board. Best, --- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909

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Error 451 when clients try to send emails
by Ed Morrison 07 Dec '07

07 Dec '07

Hi Everyone. I am trying to gifure out why I am getting a 451 error when clients are trying to send email: Client error: Task 'mail.csdsinc.com - Sending' reported error (0x800CCC6A) : 'Your outgoing (SMTP) e-mail server has reported an internal error. If you continue to receive this message, contact your server administrator or Internet service provider (ISP). The server responded: 451 mail server temporarily rejected message (#4.3.0)' Here is a tail of my smtp log. @4000000047586d0f1cf5eae4 simscan: connect error 2 @4000000047586d0f1d36b4d4 connect(): Connection refused @4000000047586d0f1d3e6594 qmail-smtpd: qq soft reject (mail server temporarily rejected message (#4.3.0)): MAILFROM:<removed to protect the innocent@@edgemore.com> RCPTTO:removed top protect the innocent(a)csdsinc.com Clam & Spam logs are normal. Any ideas? Thanks, Ed

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RPM Spec and subpackage architecture
by Ross S. W. Walker 07 Dec '07

07 Dec '07

Are there any RPM wizards out there that know how to specify a different architecture for a subpackage in a spec file? I have a package that has a binary component and a non-binary component that I would like split into 2 packages one, the binary which is architecture dependant and the other 'noarch'. I haven't found a spec file that does this yet :-( Ross S. W. Walker Information Systems Manager Medallion Financial, Corp. 437 Madison Avenue 38th Floor New York, NY 10022 Tel: (212) 328-2165 Fax: (212) 328-2125 WWW: http://www.medallion.com <http://www.medallion.com/> ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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perl-net-DNS question
by Rogelio 07 Dec '07

07 Dec '07

When trying to run a Perl program, I get this error (even though I have both Perl and perl-net-dns installed via yum) Can't locate Net/DNS.pm in @INC (@INC contains: /usr/lib/nagios/plugins /usr/lib/perl5/5.8.5/i386-linux-thread-multi /usr/lib/perl5/5.8.5 /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.4/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.2/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.1/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl/5.8.4 /usr/lib/perl5/site_perl/5.8.3 /usr/lib/perl5/site_perl/5.8.2 /usr/lib/perl5/site_perl/5.8.1 /usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.4/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.3/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.2/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.1/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl/5.8.4 /usr/lib/perl5/vendor_perl/5.8.3 /usr/lib/perl5/vendor_perl/5.8.2 /usr/lib/perl5/vendor_perl/5.8.1 /usr/lib/perl5/vendor_perl/5.8.0 /usr/lib/perl5/vendor_perl .) at ./check_bl line 29. BEGIN failed--compilation aborted at ./check_bl line 29. When I ran "cpan" and "install Net::DNS", I get the following error. Any ideas? Removing previously used /root/.cpan/build/Net-IP-1.25 CPAN.pm: Going to build M/MA/MANU/Net-IP-1.25.tar.gz Checking if your kit is complete... Looks good Writing Makefile for Net::IP Can't exec "v": No such file or directory at /usr/lib/perl5/5.8.5/CPAN.pm line 4566. v -- NOT OK Running make test Can't test without successful make Running make install make had returned bad status, install seems impossible Running make for O/OL/OLAF/Net-DNS-0.61.tar.gz Is already unwrapped into directory /root/.cpan/build/Net-DNS-0.61 CPAN.pm: Going to build O/OL/OLAF/Net-DNS-0.61.tar.gz Can't exec "v": No such file or directory at /usr/lib/perl5/5.8.5/CPAN.pm line 4566. v -- NOT OK Running make test Can't test without successful make Running make install make had returned bad status, install seems impossible

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weird load values
by J. Potter 07 Dec '07

07 Dec '07

Hi List, I'm stumped by this: load average: 10.65, 594.71, 526.58 We're monitoring load every ~3 minutes. It'll be fine (i.e. something like load average: 2.14, 1.27, 1.03), and then in a single sample, jump to something like the above. This seems to happen once a week or so on a few different servers (all running in a similar application). I've never seen the 1 minute sample spike as high as the 5 or 15 minute samples. Seeing as that last value is a 15 minute period, well, it doesn't seem possible that one can have a 500+ 15 minute sample without having observed a spike in the 5 minute sample at least 5 minutes before. Also, there aren't 500+ processes on these systems -- it's typically around 100 total processes (ps auxw | wc -l). (Is there a way to see the total count of kernel-level threads?) Thoughts? best, Jeff Linux someHostName 2.6.18-8.1.8.el5 #1 SMP Tue Jul 10 06:39:17 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux CentOS release 5 (Final) 09:31:15 up 65 days, 17:45, 2 users, load average: 0.92, 200.91, 371.30

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A few questions about remastering
by Mário Gamito 07 Dec '07

07 Dec '07

Hi, I've searched all over Google, but couldn't find a proper answer to my needs. I've installed CentOS 5.1 only with the packages I need and then made a few of my own. Now, here's what I need: a) To integrate my self-made packages in a remasterized DVD; b) That the install process of the new version skips package choosing, i. e., when it reaches this stage it just installs all the packages of the new version; c) And last, but not the least, how to remasterize the new DVD with the original packages I've installed, plus the ones I've made. Any help would be appreciated. Warm Regards, Mário Gamito

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Filesystem that doesn't store duplicate data
by rsivak＠istandfor.com 07 Dec '07

07 Dec '07

Is there such a filesystem available? It seems like it wouldn't be too hard to implement... Basically do things on a block by block basis. Store md5 of a block in the table, and when writing a new block, check if the md5 already exists and then point the new block to the old block. Since md5 is not guaranteed unique, might need to do a diff between the 2 blocks and if the blocks are indeed different, handle it somehow. When modifying an existing block that has multiple pointers, copy the block and modify the new block. I know I'm oversimplifying things a lot, but something like this could work, no? Would be a great filesystem to store backups on, or things like vmware volumes... Russ Sent from my Verizon Wireless BlackBerry

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Re: [CentOS] Re: SCSI bad block table display
by Brent L. Bates 07 Dec '07

07 Dec '07

Hugh Cruickshank, you are not mistaken. SCSI drives do keep bad block information on the drive. I've also been using this for YEARS on SGI's under IRIX. Under IRIX, the command `fx' is used to partition SCSI drives, exercise them, format them (which is something one never does to SCSI drives), spare out bad blocks, list the bad block table, etc., etc.. -- Brent L. Bates (UNIX Sys. Admin.) M.S. 912 Phone:(757) 865-1400, x204 NASA Langley Research Center FAX:(757) 865-8177 Hampton, Virginia 23681-0001 Email: B.L.BATES(a)larc.nasa.gov http://www.vigyan.com/~blbates/

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Re: [CentOS] Re: are RPMForge and EPEL compatible?
by David Thompson 07 Dec '07

07 Dec '07

Paul Heinlein wrote: > >Tom Lehrer sang it best: > > http://www.youtube.com/watch?v=aIlJ8ZCs4jY I was thinking more along the lines on Mick Jager: http://www.youtube.com/watch?v=4FqGz0z4dI0 Dave Thompson UW-Madison

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Re: Load Balancing
by Rajagopal Swaminathan 07 Dec '07

07 Dec '07

Greetings, First let me thank the gentleman who allayed my fears about CentOS 5.1's "yum update" download size. but all the same it turned out to be in megabytes. not to mention the k3b *roasted* couple of DVD's to uselessness and I am still giving explanations to the stupid ancient,retired, former stupid cretin bean counters masquerading as "managers" and "management Accountants" on. a piddly amount wasted. I found this thread in the GMANE list as I subscribed to this list rather late. Let me propose a solution: Let two nodes run the greatest ever CentOS 5.0 on two nodes. Let two nodes of the cluster run DRBD 0.8 and export block devices in Primary/Primary mode and the GFS be mounted on them. Let the NFS export be a managed service of the Cluster infrastructure from these nodes exporting the NFS on a cluster managed virtual IP as rw. let n (as permitted by the infrastructure) nodes import NFS as client on their nodes. and do the job I am seeing a 3-node cluster exactly that far past fes days and naturally, given the maturity of CentOS 5, do that for, hopefully, ever. In the ,eantime of the replies hopefully the readers will enjoy the solutions proposed by me regards, Rajagopal

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Prevent kernel upgrade unless given dependencies satisfied
by Ross S. W. Walker 07 Dec '07

07 Dec '07

Dear List Members, Is there a way to prevent a kernel from being upgraded unless a list of given dependencies are satisfied? What I am getting at is sometimes updated kernels are available before the upgraded versions of the kernel modules in 'extras' are (ie drbd). If there were a way to list these modules as dependencies that must be satisfied before a kernel upgrade can be performed it would prevent a lot of pain around upgrade management. Thanks, Ross S. W. Walker Information Systems Manager Medallion Financial, Corp. 437 Madison Avenue 38th Floor New York, NY 10022 Tel: (212) 328-2165 Fax: (212) 328-2125 WWW: http://www.medallion.com <http://www.medallion.com/> ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

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Re: [CentOS] Filesystem that doesn't store duplicate data
by Ross S. W. Walker 06 Dec '07

06 Dec '07

These are all good and valid issues. Thinking about it some more I might just implement it as a system service that scans given disk volumes in the background, keeps a hidden directory where it stores it's state information and hardlinks named after the md5 hash of the files on the volume. If a collission occurs with an existing md5 hash then the new file is unlinked and re-linked to the md5 hash file, if an md5 hash file exists with no secondary links then it is removed. Maybe monitor the journal or use inotify to just get new files and once a week do a full volume scan. This way the file system performs as well as it normally does and as things go forward duplicate files are eliminated (combined). Of course the problem arises of what to do when 1 duplicate is modified, but the other should remain the same... Of course what you said about revisions that differ just a little won't take advantage of this, but it's file level so it only works with whole files, still better then nothing. -Ross -----Original Message----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Thu Dec 06 08:10:38 2007 Subject: Re: [CentOS] Filesystem that doesn't store duplicate data On Thursday 06 December 2007, Ross S. W. Walker wrote: > How about a FUSE file system (userland, ie NTFS 3G) that layers > on top of any file system that supports hard links That would be easy but I can see a few issues with that approach: 1) On file level rather than block level you're going to be much more inefficient. I for one have gigabytes of revisions of files that have changed a little between each file. 2) You have to write all datablocks to disk and then erase them again if you find a match. That will slow you down and create some weird behavior. I.e. you know the FS shouldn't store duplicate data, yet you can't use cp to copy a 10G file if only 9G are free. If you copy a 8G file, you see the usage increase till only 1G is free, then when your app closes the file, you are going to go back to 9G free... 3) Rather than continuously looking for matches on block level, you have to search for matches on files that can be any size. That is fine if you have a 100K file - but if you have a 100M or larger file, the checksum calculations will take you forever. This means rather than adding a specific, small penalty to every write call, you add a unknown penalty, proportional to file size when closing the file. Also, the fact that most C coders don't check the return code of close doesn't make me happy there... Peter. _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

3 3

File system cache corruption with CentOS4?
by James Pearson 06 Dec '07

06 Dec '07

Just wondering if anyone else has come across an issue where files cached in memory appear to become 'corrupted' - for example, on one workstation, I've just had the issue: # yum Traceback (most recent call last): File "/usr/bin/yum", line 4, in ? import yum File "__init__.py", line 36, in ? File "config.py", line 34, in ? File "repos.py", line 29, in ? File "repoMDObject.py", line 18, in ? strace'ing the process didn't show up anything obvious However, I ran a simple process that just grabs memory - which has the side effect of 'flushing' caches from memory. After, doing this, yum ran fine ... I've seen this issue quite a few times with various applications and on different machines - and flushing the caches in the way fixes the issue ... OK, it could be a real memory problem, but given the number of times I see this issue, on machines that are fine otherwise, it makes we wonder if it could be a cache issue ... All the machines are running a CentOS4.4 based kernel - (I plan to move to a CentOS4.6 based kernel when it is out). The kernel is not a vanilla CentOS4.4 kernel - it includes a few small non-standard patches - but nothing that touches the VFS layer (AFAIK). The issue occurs on i686 or x86_64 boxes. All machines have at least 4GB of memory. They also use the nVidia binary-only module. Anyone seen issues like this? Thanks James Pearson

2 2

smartd.conf get overridden
by Christian Volker 06 Dec '07

06 Dec '07

Yohoo! I have some issues with the smartd in CentOS5/x64 I edited the /etc/smartd.conf for my needs and restarted the smartd with "service smartd restart". But the start script is overriding my file. I checked it and saw the following lines: ---------------/etc/init.d/smartd------------ case "$1" in start | reload | restart) GEN_CONF="*SMARTD*AUTOGENERATED*" [ ! -f /etc/smartd.conf ] || read DUMMY GEN_CONF DUMMY </etc/smartd.conf \ && [ "$GEN_CONF" == "*SMARTD*AUTOGENERATED*" ] \ && smartd-conf.py 2>/dev/null >/etc/smartd.conf.new-autogenerated \ && mv -f /etc/smartd.conf.new-autogenerated /etc/smartd.conf ;; esac ---------------/etc/init.d/smartd------------ So how can I prevent my file beeeing overriden without editing this script (which will probably get lots the next update)? ------/etc/sysctl/smartmontools--------- # command line options for smartd smartd_opts="-q never" ---------------------------------------- Any ideas? Christian Volker Technical Support Engineer -- Parnell House, Barrack Square, Ballincollig, Co. Cork, Ireland t: + 353 21 466 0019 e: cvolker(a)vmware.com

2 2

Filesystem that doesn't store duplicate data
by rsivak＠istandfor.com 06 Dec '07

06 Dec '07

Is there such a filesystem available? It seems like it wouldn't be too hard to implement... Basically do things on a block by block basis. Store md5 of a block in the table, and when writing a new block, check if the md5 already exists and then point the new block to the old block. Since md5 is not guaranteed unique, might need to do a diff between the 2 blocks and if the blocks are indeed different, handle it somehow. When modifying an existing block that has multiple pointers, copy the block and modify the new block. I know I'm oversimplifying things a lot, but something like this could work, no? Would be a great filesystem to store backups on, or things like vmware volumes... Russ Sent from my Verizon Wireless BlackBerry

7 11

MP3 encoding with Sound-Juicer
by Olaf Mueller 06 Dec '07

06 Dec '07

Hello, what do I need to encode mp3 with Sound Juicer under CentOS 5.1? Thank you Olaf

2 2

LVM2: large volume problem?
by Antonio da Silva Martins Junior 06 Dec '07

06 Dec '07

Hi all, I'm having problems to create/resize an lv up to 1T (well I can't reach 300G), my system is a CentOS 5.1 x86_64 on a Dell 2950 with 6x500G SATA (RAID5 to aprox. 2.5T) [root@Mugello ~]# fdisk -l Disk /dev/sda: 2497.7 GB, 2497791918080 bytes 255 heads, 63 sectors/track, 303672 cylinders Units = cilindros of 16065 * 512 = 8225280 bytes Dispositivo Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 36323 291657269+ 8e Linux LVM [root@Mugello ~]# vgdisplay --- Volume group --- VG Name sys System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 26 VG Access read/write VG Status resizable MAX LV 0 Cur LV 4 Open LV 4 Max PV 0 Cur PV 1 Act PV 1 VG Size 2,27 TB PE Size 32,00 MB Total PE 74436 Alloc PE / Size 512 / 16,00 GB Free PE / Size 73924 / 2,26 TB VG UUID yuxYGR-dLVP-DuXz-i4oP-14ep-aYWQ-xBp6f1 [root@Mugello ~]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% root sys -wi-ao 4,00G swap sys -wi-ao 2,00G usr sys -wi-ao 5,00G var sys -wi-ao 5,00G When I try to create a 1T lv it gives me this error: [root@Mugello ~]# lvcreate -L1T -nstor sys device-mapper: reload ioctl failed: Argumento inválido Failed to activate new LV. and on /var/log/messages I had this: Dec 6 08:31:27 Mugello kernel: device-mapper: table: device 8:2 too small for target Dec 6 08:31:27 Mugello kernel: device-mapper: table: 253:4: linear: dm-linear: Device lookup failed Dec 6 08:31:27 Mugello kernel: device-mapper: ioctl: error adding target to table the lv is created: [root@Mugello ~]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% root sys -wi-ao 4,00G stor sys -wi-d- 1,00T swap sys -wi-ao 2,00G usr sys -wi-ao 5,00G var sys -wi-ao 5,00G but is unusable: [root@Mugello ~]# mkfs -t ext3 /dev/sys/stor mke2fs 1.39 (29-May-2006) Could not stat /dev/sys/stor --- Arquivo ou diretório não encontrado The device apparently does not exist; did you specify it correctly? [root@Mugello ~]# ls -la /dev/mapper/ total 0 drwxr-xr-x 2 root root 160 Dez 6 09:02 . drwxr-xr-x 12 root root 4220 Dez 6 07:43 .. crw------- 1 root root 10, 63 Dez 6 07:43 control brw-rw---- 1 root disk 253, 0 Dez 6 07:43 sys-root brw-rw---- 1 root disk 253, 4 Dez 6 09:02 sys-stor brw-rw---- 1 root disk 253, 3 Dez 6 07:43 sys-swap brw-rw---- 1 root disk 253, 1 Dez 6 07:43 sys-usr brw-rw---- 1 root disk 253, 2 Dez 6 07:43 sys-var [root@Mugello ~]# mkfs -t ext3 /dev/mapper/sys-stor mke2fs 1.39 (29-May-2006) mkfs.ext3: Device size reported to be zero. Invalid partition specified, or partition table wasn't reread after running fdisk, due to a modified partition being busy and in use. You may need to reboot to re-read your partition table. If I try with a small size (less than 300G) it works well: [root@Mugello ~]# lvcreate -L100G -nstor sys Logical volume "stor" created [root@Mugello ~]# lvs LV VG Attr LSize Origin Snap% Move Log Copy% root sys -wi-ao 4,00G stor sys -wi-a- 100,00G swap sys -wi-ao 2,00G usr sys -wi-ao 5,00G var sys -wi-ao 5,00G What can I try to do to create an lv with 1T?? Thanks in advance, Antonio. -- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Antonio S. Martins Jr. - Support Analist | "Only The Shadow Knows | | Universidade Estadual de Maringá - Brasil| what evil lurks in the | | NPD - Núcleo de Processamento de Dados | Heart of Men!" | | E-Mail: asmartins(a)uem.br / shadow(a)uem.br | !!! Linux User: 52392 !!! | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -- Esta mensagem foi verificada pelo sistema de antiv�rus e acredita-se estar livre de perigo.

1 0

RE: [CentOS] Announcing the CentOS on Laptops initiative
by Trevor Benson 06 Dec '07

06 Dec '07

> Sadly, for now, you have to request access to be allowed to create or > edit > these pages. I hope in the future we will have a more liberal view wrt. > the wiki. > > PS I created this structure for your X60 for now, I plan to add my own > laptops soon (but it does not include a X60). If you can add your > information to this existing page, I am sure this is very valuable for > another X60 owner. Can I get a Thinkpad R51 page setup if not already and access. About to blow out the FC6 and load CentOS 5 since I have to finagle the wifi every so often. Figured document as I go lest I forget. Trevor

2 1

Arp problems I think ...
by Alan Bunch 06 Dec '07

06 Dec '07

Please bear with me as I know I have included a lot of detail. Description Redhat AS 3 Kernel 2.4.21-47.0.1.ELsmp eth0 HWaddr 00:07:E9:11:30:76 inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0 eth0:1 HWaddr 00:07:E9:11:30:76 inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0 This interface is up but with no IP address eth1 HWaddr 00:07:E9:11:30:77 eth1.101 10.10.1.1 Bcast:10.10.1.255 Mask:255.255.255.0 vlan 101 eth1.102 10.10.2.1 Bcast:10.10.2.255 Mask:255.255.255.0 vlan 102 eth1.103 10.10.3.1 Bcast:10.10.3.255 Mask:255.255.255.0 vlan 103 eth1.104 10.10.4.1 Bcast:10.10.4.255 Mask:255.255.255.0 vlan 104 eth1.105 10.10.5.1 Bcast:10.10.5.255 Mask:255.255.255.0 vlan 105 eth1.106 10.10.6.1 Bcast:10.10.6.255 Mask:255.255.255.0 vlan 106 eth1.107 10.10.7.1 Bcast:10.10.7.255 Mask:255.255.255.0 vlan 107 eth1.108 10.10.8.1 Bcast:10.10.8.255 Mask:255.255.255.0 vlan 108 eth1.109 10.10.9.1 Bcast:10.10.9.255 Mask:255.255.255.0 vlan 109 eth2 Link encap:Ethernet HWaddr 00:06:5B:FE:56:C2 BROADCAST MULTICAST MTU:1500 Metric:1 eth3 Link encap:Ethernet HWaddr 00:06:5B:FE:56:C3 BROADCAST MULTICAST MTU:1500 Metric:1 This machine is routing between the vlans. When I ping 10.10.5.105 I get Host Unreachable. Here is tcpdump from the ping on the router. tcpdump -i eth1.105 14:10:28.254008 arp who-has 10.10.5.105 tell 10.10.5.1 14:10:29.250067 arp who-has 10.10.5.105 tell 10.10.5.1 14:10:30.250143 arp who-has 10.10.5.105 tell 10.10.5.1 Ok now I go to the device via a serial port and ping back to 10.10.5.1 ( the router ) and here is the tcpdump output tcpdump -i eth1.105 -n tcpdump: listening on eth1.105 14:12:06.706722 arp who-has 10.10.5.1 tell 10.10.5.105 14:12:06.706798 arp reply 10.10.5.1 is-at 0:7:e9:11:30:77 14:12:06.707715 10.10.5.105 > 10.10.5.1: icmp: echo request (DF) 14:12:06.707762 10.10.5.1 > 10.10.5.105: icmp: echo reply 14:12:07.723100 10.10.5.105 > 10.10.5.1: icmp: echo request (DF) 14:12:07.723136 10.10.5.1 > 10.10.5.105: icmp: echo reply Now of course I can ping 10.10.5.10 (the suspect device) from 10.10.5.1 ( the router ) ping 10.10.5.1 PING 10.10.5.1 (10.10.5.1) 56(84) bytes of data. 64 bytes from 10.10.5.1: icmp_seq=0 ttl=64 time=0.068 ms 64 bytes from 10.10.5.1: icmp_seq=1 ttl=64 time=0.039 ms This is fine untill the arp entry ages out. Then I back to not being able to ping the device. If I manually insert an arp table entry all is well. No filtering in the switches. Switches are SMC 6826 for the 10/100 and 8724 for the core and gig e. I have several similar symptoms like this in various places. I have some devices on vlans that I see the dhcp discover messages and I see the dhcp offer then the device sends another dhcp discover. This goes on for a few times and the device just waits and starts the process over. I feel that the problem lies in the handling of arp requests but I guess I just don't know enough about how linux handles them or how to control them to find a solution. Any ideas ? Alan

2 1

Network performance
by Vitaly 06 Dec '07

06 Dec '07

I'm running RHEL/CentOS 3 (2.4.21-47.ELsmp) with Broadcom NIC and BASP bonding (bcm5700 v8.1.55) When network traffic is ~12MB/sec (== ~120K packets/sec) CPU system load is growing up to 50-60%%. Yes, I know, that small packets (~100 bytes/packet) are not optimal for network throughput, but in the short-middle term I cannot re-write our application. Are there any network driver / kernel parameters which can help me to increase network throughput? Replacing bcm5700 to tg3? Upgrading to RHEL 4 or 5 with kernel 2.6? Other ideas? Thanks, Vitaly

1 0

Need a sendmail help mail list
by Robert Moskowitz 06 Dec '07

06 Dec '07

I have a sendmail question. Can someone point me to a list appropriate to get some sendmail.mc help?

5 13

5.x install - loses display when launching anaconda
by Tom Lanyon 06 Dec '07

06 Dec '07

Hi all, Trying to install 5.0 or 5.1 (i386 or x86_64) on a new system from an install DVD. As soon as the installer launches anaconda, the screen shuts off and from this point I'm unable to switch to any other tty. This is an Intel core2duo machine on an Intel P35 chipset motherboard, Geforce 8400GS video card connected to a BenQ 20" widescreen LCD. Any ideas what could cause this behaviour or how to debug further (obviously I can't see any error messages as my virtual consoles are no loner available)? I think I'll try installing via a serial console when I get home and see if I have more success. Regards, Tom

3 4

Re: [CentOS] Replacement for Linux-HA (heartbeat) - RedHat cluster?
by Amos Shapira 06 Dec '07

06 Dec '07

On 06/12/2007, Dave Augustus <davea@kcm40202> wrote: > If you can try with non-Xen kernels, you should get better results. Does this mean that you tried Xen kernels and DomU and it failed, then switched to non-Xen kernels on the same setup and it succeeded? Thanks, --Amos

3 4

Re: [CentOS] Need a sendmail help mail list
by Robert Moskowitz 06 Dec '07

06 Dec '07

replies-lists-a1z2-centos(a)listmail.innovate.net wrote: > do you have "fax.foo.com" in /etc/mail/local-host-names ? if not that > name won't be seen as local and sendmail on 192.168.1.100 will try to > relay mail to that fqdn (that's directed to it due the the dns entry). > welll,,,,,, fax.foo.com is. But 222.fax.foo.com is not. Nor is sales.fax.foo.com or 2342.fax.foo.com, etc. the design here is that the fax server will dial an extension and on the header page indicate the fax is for user (user(a)ext.fax.foo.com) This is what all the documentation points to. The arg for faxmail is: -d user@ext > - Rick > > > ------------ Original Message ------------ > >> Date: Wednesday, December 05, 2007 10:44:58 PM -0500 >> From: Robert Moskowitz <rgm(a)htt-consult.com> >> To: CentOS mailing list <centos(a)centos.org> >> Subject: Re: [CentOS] Need a sendmail help mail list >> >> Craig White wrote: >> >>> On Wed, 2007-12-05 at 21:44 -0500, Robert Moskowitz wrote: >>> >>> >>>> I have a sendmail question. >>>> >>>> Can someone point me to a list appropriate to get some >>>> sendmail.mc help? >>>> >>>> >>> ---- >>> try here first >>> >> My fax server (fax.foo.com) is suppose to receive mail to: >> user(a)ext.fax.foo.com and execute: >> >> /usr/bin/faxmail -d user@ext >> >> I found the following items to add to sendmail.mc: >> >> define(`FAX_MAILER_PATH',`/usr/bin/faxmail')dnl >> define(`FAX_MAILER_ARGS',`faxmail -d -n -p 12pt $u@$h $f')dnl >> MAILER(`fax')dnl >> >> >> I have set up DNS with a pseudo domain: >> >> sip.foo.com. IN A 192.168.1.100 >> fax.foo.com. IN A 192.168.1.100 >> *.fax.foo.com. IN MX 10 fax.foo.com >> >> >> >> nslookup shows this to work, and in fact my POP mail server does >> try to send mail addessed: >> >> to: joe(a)222.fax.foo.com >> >> To fax.foo.com, that gets sent back to me with the error >> information: >> >> >> ----- The following addresses had permanent fatal errors ----- >> <joe(a)222.fax.foo.com> >> >> ----- Transcript of session follows ----- >> 554 5.0.0 MX list for 222.fax.foo.com. points back to sip.foo.com >> 554 5.3.5 Local configuration error >> >> sendmail is NOT suppose to try to relay; it is suppose to accept >> this for local delivery, and not do a DNS lookup on >> 222.fax.foo.com.... >> >> So obviously I need more sendmail help. Then I will have to set it >> up via webmin.... >> >> >> It is interesting that when you ask this question directly on the >> Hylafax mail list, either no one answers, or point you to URLs that >> give partial answers. >> >> >> I know that DNS can act strange with 2 A records to the same >> address. That is what CNAME is suppose to be for. Now that I see >> that I am not expecting email to sip.foo.com, I could make that the >> cname. Of course the host name is sip.foo.com with fax a service >> on it.... >> >> > ---------- End Original Message ---------- > > >

1 0

rsync 5.1 base repo question
by Robert Moskowitz 06 Dec '07

06 Dec '07

I have built my repo by copying the content of the ISO images, maintaining the date. When I test with: rsync -avun rsync://mirrors.kernel.org/centos/5.1/os/i386/ \ --exclude=debug/ /repos/centos/5.1/os/i386 the only file listed is: CentOS/yum-kernel-module-1.0.4-3.el5.centos.2.noarch.rpm Which I did not get from the ISOs. but if I leave off the -u option, the list is VERY long. Why? Also do I need to use the --delete option to get rid of rpms replaced with newer versions?

2 3

screen + mutt terminal issues.
by Steven Haigh 06 Dec '07

06 Dec '07

Hi all, I'm trying to fix a display issue when using mutt inside a screen session. This issue came to my attention when the following posts hit my mailbox: 10723 Mário Gamito [CentOS] Another question Wed, Dec 05, 2007 ( 2.4K 10724 nate Re: [CentOS] Anyone using sendmail? Tue, Dec 04, 2007 ( 4.6K) The accent in Mario's name (post 10723 in my mailbox) seems to cause havok with the terminal emulation in mutt. I've experimented with the different terminal emulations (xterm, ansi, screen, linux, xterm-color etc) and found that: ansi = garbled screen. xterm = displays layout correctly, however highlight bars (in the index screen within mutt) only drawns a background colour when text is also drawn. xterm-color = displayis an issue is shown when using the up/down arrows over his posts. This corrupts the layout of the screen. usually a blank line is displayed below Mario's name. screen = same as xterm-color linux = same as xterm-color Does anyone know how I might be able to correct this? Is this an issue with screen or the termcap or maybe even mutt? -- Steven Haigh Email: netwiz(a)crc.id.au Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897 "Do not meddle in the affairs of UNIX, for it is subtle and quick to dump core." -- Anon.

2 4

Anyone using sendmail?
by Fajar Priyanto 06 Dec '07

06 Dec '07

Hi all, Does sendmail support virtual-non-unix-users setup? Any URL about it? I tried to ask in #sendmail channel, but nobody answered. I google around, but, all url only talks about virtual domain and mapping to unix users. Thank you, -- Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial http://linux2.arinet.org 09:09:34 up 1:25, 2.6.22-14-generic GNU/Linux Let's use OpenOffice. http://www.openoffice.org The real challenge of teaching is getting your students motivated to learn.

9 18

Re: [CentOS] Re: SCSI bad block table display
by Ross S. W. Walker 06 Dec '07

06 Dec '07

Well it's not a clearly defined option, but it allows you to request all kinds of SCSI VPD pages from the disks and controllers, I was able to get a dump once don't remember the vpd page id I used to get it though, but I think it was an example in the man page... -Ross -----Original Message----- From: centos-bounces(a)centos.org <centos-bounces(a)centos.org> To: CentOS mailing list <centos(a)centos.org> Sent: Wed Dec 05 19:21:14 2007 Subject: RE: [CentOS] Re: SCSI bad block table display From: Ross S. W. Walker Sent: December 5, 2007 15:49 > > Google 'sdparam' > Thanks. While that seems to be on the right track it does not appear to dump/display the bad block table. hec _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.

2 1

yum update for 5.0 ==> 5.1
by fred smith 06 Dec '07

06 Dec '07

I have read multipe messages here from people upgrading from 5.0 to 5.1, presumably using "yum update" to do the deed. When I do "yum update" on my (I think) fully updated Centos 5 system I get no updates. Am I just being impatient (i.e., the updates haven't yet been pushed out) or am I somehow missing them? Thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven." ------------------------------ Matthew 7:21 (niv) -----------------------------

5 11

binary upgrade 5.0 to 5.1?
by Dave 06 Dec '07

06 Dec '07

Hello, I've googled for this but haven't found an answer. I've got a 5.0 box that i'd like to take to 5.1. I believe this is possible as i did an upgrade from 4.x to 5.0 but can't remember what i did. Ideally i'd like to avoid any downtime. Thanks. Dave.

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