- Discuss - lists.centos.org

Wiki...
by Denis E. Pilon 24 Nov '04

24 Nov '04

I vote for twikiwiki... Also see it in action here: http://www.voip-info.org/tiki-index.php DP

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Updating on CentOS-3.3
by John Hinton 23 Nov '04

23 Nov '04

Sorry to be beating a dead horse to death here... but... in the archives, mostly the FAQ is mentioned, but the FAQ seems to be 'coming soon'. :) I just did a clean install of 3.3. I am operating from the command line. I first mistakenly ran.. been there done that on WhiteBox as well. :( rpm --import /usr/share/rhn/RPM-GPG-KEY Got what I understand now is the expected errors. I then ran rpm --import /usr/share/doc/centos-release-3.3/RPM-GPG-KEY I looked and the file is in fact there. And I'm still getting the errors in both up2date -u and yum update. warning: rpmts_HdrFromFdno: V3 DSA signature: NOKEY, key ID 025e513b Error: Could not find the GPG Key necessary to validate pkg /var/cache/yum/update/packages/cups-1.1.17-13.3.16.i386.rpm Thanks for any help. Perhaps one good email clearly explaining the whole deal on this would prevent more of these snippets spread across the archives, until the FAQ is back up? Maybe? ;) Thanks for a great release! John Hinton

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CentOS 3.3
by Dominic Iadicicco 22 Nov '04

22 Nov '04

Could anyone tell me why the font's in Mozilla look terrible after a fresh install of CentOS 3.3?

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This is interesting
by Dominic Iadicicco 22 Nov '04

22 Nov '04

Hello all, Now my spell check is missing from the Mozilla mail client. Has anyone experienced this one? and if so, what is the possible solution? Thanks all, Dom

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Re: [Centos] Having little problems with 3.3
by Dominic Iadicicco 22 Nov '04

22 Nov '04

At least we can solve the oo problem, the disks contain the rpms for it and it did work when I installed it, but whats really scary is the font's in Mozilla. I don't what happed there. Dom Benjamin J. Weiss wrote: >On Mon, 22 Nov 2004 diadicic(a)optonline.net wrote: > > > >>Hello all, >> >> I just installed 3.3. All three disk download ok and when I ran the test on them, all three passed so I thought that the install would go fine and it did. >> However after using it for about 5 min I have noticed two things. OO does not install by default. When I did a reinstall I noticed that there is not option to even select it. Maybe there is something wrong with my disks, I don't know I just what to see if anyone else is having this problem. The rpms for OO are one the disks they just don't install even with the office packages selected during the install. >> >>The other thing I noticed is the fonts in Mozilla. Now CentOS 3.1 and Whitebox 3rc2 fonts in mozilla are great. But CentOS 3.3 I don't know what happen. Like I said may its the disks I downloaded. >> >> >>Has anyone else had or heard of these aliments? >> >> > >Same here. If I go into the "details" for the office selection during the >install, Open Office doesn't even show up. > >Either RedHat messed up on their latest redo, or CentOS has something >broken... > >Ben > > > >

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64 bit support and 32 bit apps
by Dave Augustus 22 Nov '04

22 Nov '04

2 questions- projected date on 64 bit support? and... can you run a 32-bit app on a 64-bit OS ? I just a read a great article on the Opteron vs. Xeon argument at: http://www.samag.com/documents/sam0411b/ Thanks, Dave

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ftp ftom outside the local network
by Beth Curotto 22 Nov '04

22 Nov '04

I have Centos3.3 installed, vsftpd, apache2, ports 20&21 open on router, firewall disabled at this time : /etc/passwd looks like this --- ftpadmin:x:502:502::/var/www:sbin/noligin uncommented the lines in /etc/vsftpd/vsftpd.conf : chroot_list_enable=YES chroot_list_file=/etc/vsftpd.chroot_list I can access ftp from within network no problem, but using external ip it will validate login but cannot bring up folders Any suggestions...... This is the response I get using FileZilla (similar response using CuteFTP) Status: Connecting to 216.201.247.147 ... Status: Connected with 216.201.247.147. Waiting for welcome message... Response: 220 (vsFTPd 1.2.1) Command: USER ftpadmin Response: 331 Please specify the password. Command: PASS ******** Response: 230 Login successful. Command: FEAT Response: 211-Features: Response: MDTM Response: REST STREAM Response: SIZE Response: 211 End Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" Command: PORT 172,17,2,12,16,230 Response: 200 PORT command successful. Consider using PASV. Command: TYPE A Response: 200 Switching to ASCII mode. Command: LIST Error: Timeout detected! Error: Could not retrieve directory listing

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DVD set anyone?
by Adrian Madrid 22 Nov '04

22 Nov '04

Has anybody created succesfully a bootable DVD with the full CentOS? Just wondering, it would be nice to carry one CD instead of three.... Thanks in advance, -- Adrian Madrid HyperX Inc. Mobile: 801.815.1870 Office: 801.566.0670 aemadrid(a)hyperxmedia.com www.hyperxmedia.com 9000 S. 45 W. Sandy, UT 84070

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Having little problems with 3.3
by diadicic＠optonline.net 22 Nov '04

22 Nov '04

Hello all, I just installed 3.3. All three disk download ok and when I ran the test on them, all three passed so I thought that the install would go fine and it did. However after using it for about 5 min I have noticed two things. OO does not install by default. When I did a reinstall I noticed that there is not option to even select it. Maybe there is something wrong with my disks, I don't know I just what to see if anyone else is having this problem. The rpms for OO are one the disks they just don't install even with the office packages selected during the install. The other thing I noticed is the fonts in Mozilla. Now CentOS 3.1 and Whitebox 3rc2 fonts in mozilla are great. But CentOS 3.3 I don't know what happen. Like I said may its the disks I downloaded. Has anyone else had or heard of these aliments? Thanks all Dominic

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yum.conf issue
by cweisiger＠i-55.com 22 Nov '04

22 Nov '04

i just did a fresh install of centos-3.1 i ran yum -y update to get all the latest updates.. when it finished the update... of course the yum.conf symlink was broken... and now i how a /etc/centos-yum.conf /etc/yum.conf.rpmsave /etc/yum.conf-SAVE /etc/yum.conf <---broken symlink which of these files to i create a symlink to for /etc/yum.conf so i can continue to get my updates.

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Re: [Centos] openssl-0.9.7a-33.12
by John Newbigin 21 Nov '04

21 Nov '04

You can grab the Net::SSLeay rpm from here: http://dag.wieers.com/packages/perl-Net-SSLeay/perl-Net-SSLeay-1.25-1.1.el3… Don't use cpan, it will just cause pain... John. Dave Augustus wrote: > Why is RH using such an outdated version of OpenSSL ? > > I understand that they may have back-ported the fix but I just tried > installing Net::SSLeay on a Centos 3.3 box and it wouldn't install, saying > that the openssl version was old and suggested I get 9.7b or later? > > How are you handling this problem? I am resorting to recompiling OpenSSL > 9.7d . > > Thanks, > Dave > _______________________________________________ > CentOS mailing list > CentOS(a)caosity.org > http://lists.caosity.org/mailman/listinfo/centos > > > -- John Newbigin Computer Systems Officer Faculty of Information and Communication Technologies Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

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no qmake on CentOS-3
by Rick Graves 21 Nov '04

21 Nov '04

Hey, I need, but do not find anywhere, qmake, a program that comes with qt and is normally found in the bin directory under qt. In addition to using CentOS-3 on text-only servers, I am using CentOS-3 as an X desktop distribution (it lookes exactly like RedHat 9 to me). On one of my desktop systems, I want to try eric3, an IDE (integrated development environment) for python. During the CentOS install originally, I chose both the Gnome and KDE options. The installation instructions for eric3 say install qt first, then QScintilla. qt is already installed. QScintilla needs qmake to install, but qmake is not there or anywhere. Is there a way to put qmake under qt where it belongs? Thanks, Rick

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Re: [Centos] openssl-0.9.7a-33.12
by William Warren 20 Nov '04

20 Nov '04

Centos uses that version because tht is what RHEL uses..:) They backport the fixes so the version numbers do not always mean that much(except to programs that look at version numbers of course..<G>) Dave Augustus wrote: > Why is RH using such an outdated version of OpenSSL ? > > I understand that they may have back-ported the fix but I just tried > installing Net::SSLeay on a Centos 3.3 box and it wouldn't install, saying > that the openssl version was old and suggested I get 9.7b or later? > > How are you handling this problem? I am resorting to recompiling OpenSSL > 9.7d . > > Thanks, > Dave > _______________________________________________ > CentOS mailing list > CentOS(a)caosity.org > http://lists.caosity.org/mailman/listinfo/centos > . > -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

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Centos3 x86_64 Updates
by Will Dinkel 19 Nov '04

19 Nov '04

Greetings, 4 belated x86_64 updates here for CentOS-3 (I just got my 64-bit development boxes back from a show). They'll be hitting the mirrors eventually. Future updates will be much more timely. libxml2: https://rhn.redhat.com/errata/RHSA-2004-615.html RPMS/libxml2-2.5.10-7.x86_64.rpm RPMS/libxml2-devel-2.5.10-7.x86_64.rpm RPMS/libxml2-python-2.5.10-7.x86_64.rpm SRPMS/libxml2-2.5.10-7.src.rpm freeradius: https://rhn.redhat.com/errata/RHSA-2004-609.html RPMS/freeradius-1.0.1-1.RHEL3.x86_64.rpm RPMS/freeradius-mysql-1.0.1-1.RHEL3.x86_64.rpm RPMS/freeradius-postgresql-1.0.1-1.RHEL3.x86_64.rpm RPMS/freeradius-unixODBC-1.0.1-1.RHEL3.x86_64.rpm SRPMS/freeradius-1.0.1-1.RHEL3.src.rpm httpd: https://rhn.redhat.com/errata/RHSA-2004-562.html RPMS/httpd-2.0.46-44.ent.centos.1.x86_64.rpm RPMS/httpd-devel-2.0.46-44.ent.centos.1.x86_64.rpm RPMS/mod_ssl-2.0.46-44.ent.centos.1.x86_64.rpm SRPMS/httpd-2.0.46-44.ent.centos.1.src.rpm samba: https://rhn.redhat.com/errata/RHSA-2004-632.html RPMS/samba-3.0.7-1.3E.1.i386.rpm RPMS/samba-3.0.7-1.3E.1.x86_64.rpm RPMS/samba-client-3.0.7-1.3E.1.x86_64.rpm RPMS/samba-common-3.0.7-1.3E.1.x86_64.rpm RPMS/samba-swat-3.0.7-1.3E.1.x86_64.rpm SRPMS/samba-3.0.7-1.3E.1.src.rpm Execute "yum update" to apply. Will Dinkel Chief Systems Engineer Team HPC, Inc. 785-542-2135 x304 wdinkel(a)teamhpc.com http://www.teamhpc.com

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openssl-0.9.7a-33.12
by Dave Augustus 19 Nov '04

19 Nov '04

Why is RH using such an outdated version of OpenSSL ? I understand that they may have back-ported the fix but I just tried installing Net::SSLeay on a Centos 3.3 box and it wouldn't install, saying that the openssl version was old and suggested I get 9.7b or later? How are you handling this problem? I am resorting to recompiling OpenSSL 9.7d . Thanks, Dave

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mysql4
by Alex - Xifos Ltd 19 Nov '04

19 Nov '04

Hi, I am a novice to linux.. Could someone point me in the right direction to upgrating mysql-server to version 4. Thanks, Alex

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centos3 i386 samba updates
by seth vidal 17 Nov '04

17 Nov '04

Hi Everyone, These should be populating out to your mirrors soon. Samba: https://rhn.redhat.com/errata/RHSA-2004-632.html RPMS/samba-3.0.7-1.3E.1.i386.rpm RPMS/samba-client-3.0.7-1.3E.1.i386.rpm RPMS/samba-common-3.0.7-1.3E.1.i386.rpm RPMS/samba-swat-3.0.7-1.3E.1.i386.rpm SRPMS/samba-3.0.7-1.3E.1.src.rpm You can apply all of these updates with: yum update Let us know if you run into any problems. Thanks -sv

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Re: [Centos] why developers got stuck with huge ISP bill
by Matt Shields 17 Nov '04

17 Nov '04

Hi Everyone, I'm new here. I just caught this thread and checked my yum.conf. It does indeed point to the main mirror. May I suggest that the default yum.conf file contain a links to some of the public mirrors, or none at all instead of the main mirror. That way, it doesn't point to the main mirror, which would be reserved for public mirrors. Then in the Docs show an example yum.conf that shows what is acceptable. Another suggestion would be to put a few public mirrors in the yum.conf file and comment them out. Then put in a comment saying "Here are a few public mirrors, but you can get mirrors closer to you by looking at http://www.centos.org/download/mirrors" Matt Shields > On Sat, 6 Nov 2004 15:34:53 -0800 (PST), Rick Graves > <gravesricharde(a)yahoo.com> wrote: > > Lance, > > > > Let's go at this from another angle. > > > > > I am absolutely certain having analysed the logs > > > that the excess bandwidth was caused by people > > > downloading .iso images for centos from our > > > master mirror(s) .... > > > > How could this happen? > > > > Here is my explanation: > > > > 1) As far as I am aware, the cAos site does NOT ask > > distro users to download from public mirrors, rather > > than from the master mirror. > > > > 2) On install, yum.conf points to the master mirror. > > > > 3) Even if a distro user puts in a custom yum.conf > > file that points to a public mirror, "yum update" can > > remove the custom yum.conf file, and put in its place > > a yum.conf that points to the master mirror. > > > > 4) From 2 & 3, I got the impression that it is OK, > > even encouraged, to download directly from the master > > mirror. This is supported by the lack of any request > > not to do so, 1. > > > > 5) Maybe lots of other distro users got the same > > impression as 4. > > > > That is my explanation. > > > > Does anyone have a better explanation for Lance's > > analysis of the logs? > > > > Rick > > _______________________________________________ > > CentOS mailing list > > CentOS(a)caosity.org > > http://lists.caosity.org/mailman/listinfo/centos > > >

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CentOS-2 errata
by John Newbigin 16 Nov '04

16 Nov '04

The following errata for CentOS-2 have been built and uploaded the the centos mirror: RHSA-2004:632-01 Updated samba packages fix security issues Files available: samba-2.2.12-1.21as.1.i386.rpm samba-client-2.2.12-1.21as.1.i386.rpm samba-common-2.2.12-1.21as.1.i386.rpm samba-swat-2.2.12-1.21as.1.i386.rpm More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html The easy way to make sure you are up to date with all the latest patches is to run: # yum update -- John Newbigin - Computer Systems Officer School of Information Technology Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

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RHEL 4 AS - Beta 2 Rebuild Project
by Johnny Hughes 16 Nov '04

16 Nov '04

I have finally finished the initial rebuild of RHEL AS 4 - Beta 2 {it took 48 Hours :)}... several packages didn't build. ---------------------------------------------- compat-gcc-296-2.96-130.7.2 comps-3.95AS-0.20041027 (expected ... will be replaced anyway) dhcp-3.0.1-11 (caused by a problem in gcc ... fixed in gcc-3.4.3-2) elfutils-0.96-1 gnome-spell-1.0.5-6 iptraf-2.7.0-11 (bug in the glibc header files, fixed in glibc-2.3.3-74) Kernel - (expected ... will fix later) lilo-21.4.4-26 memprof-0.5.1-5 openoffice.org-1.1.2-10 (requires compat-gcc >= 8-3.3.4.1 and compat-gcc-c++ >= 8-3.3.4.1) setools-1.4.1-5 Xaw3d-1.5-23 -------------------------------------------- I'm doing this for knowledge and fun (I know, weird sense of FUN) ... not to replace any of the current rebuild projects. Rather than posting everything to the mailing list and making lots of update posts (where many people might not be interested), I have put lots of info in my forum. If you are interested in RHEL 4 and rebuilding it, come, read, and participate :)... we can all have fun! http://www.hughesjr.com/component/option,com_forum/Itemid,65/page,viewforum…

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CentOS-2 errata
by John Newbigin 15 Nov '04

15 Nov '04

The following errata for CentOS-2 have been built and uploaded the the centos mirror: RHSA-2004:615-01 Updated libxml2 package fixes security vulnerabilities Files available: libxml2-2.4.19-6.ent.i386.rpm libxml2-devel-2.4.19-6.ent.i386.rpm libxml2-python-2.4.19-6.ent.i386.rpm More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html The easy way to make sure you are up to date with all the latest patches is to run: # yum update -- John Newbigin - Computer Systems Officer School of Information Technology Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

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Re: Centos3 x86 updates
by Rick Graves 14 Nov '04

14 Nov '04

Hey, As was announced recently by Seth, updates are coming. > These updates should be finding their way to your > local mirror shortly. However, now that we are monitoring the mirrors, we know that some mirrors are behind. For the latest on your favorite mirror near you, you might want to check out the mirror montitoring page, http://www.advanced-app.com.hk/caosity/ I expect a link to this page will be added to the cAos web site shortly, but it is not on there yet. So in the meantime, you might want to add the link to your bookmarks. Rick

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Centos3 x86 updates
by seth vidal 13 Nov '04

13 Nov '04

Hi everyone, Updates for 3 sets of packages. For centos 3. These updates should be finding their way to your local mirror shortly. libxml2: https://rhn.redhat.com/errata/RHSA-2004-615.html RPMS/libxml2-2.5.10-7.i386.rpm RPMS/libxml2-devel-2.5.10-7.i386.rpm RPMS/libxml2-python-2.5.10-7.i386.rpm SRPMS/libxml2-2.5.10-7.src.rpm freeradius: https://rhn.redhat.com/errata/RHSA-2004-609.html RPMS/freeradius-1.0.1-1.RHEL3.i386.rpm RPMS/freeradius-mysql-1.0.1-1.RHEL3.i386.rpm RPMS/freeradius-postgresql-1.0.1-1.RHEL3.i386.rpm RPMS/freeradius-unixODBC-1.0.1-1.RHEL3.i386.rpm SRPMS/freeradius-1.0.1-1.RHEL3.src.rpm httpd: https://rhn.redhat.com/errata/RHSA-2004-562.html RPMS/httpd-2.0.46-44.ent.centos.1.i386.rpm RPMS/httpd-devel-2.0.46-44.ent.centos.1.i386.rpm RPMS/mod_ssl-2.0.46-44.ent.centos.1.i386.rpm SRPMS/httpd-2.0.46-44.ent.centos.1.src.rpm All of these updates can be applied by running: yum update Let us know if there is a problem, thanks. -sv

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Re: [Centos] most stable sata raid cards for centos
by C.M. Connelly 12 Nov '04

12 Nov '04

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I'm running an array with an Adaptec 2410SA card (two-port SATA). It seems to run fine under CentOS, but I'm not booting from it (I have a separate SCSI drive that has the OS installed on it; the array is used for backups). I have lost the contents of the array once when one of the drives failed (that was under Red Hat Linux 9, with the Adaptec driver package). I haven't been able to get the current Adaptec driver package to install under CentOS, but as the card seems to work fine without it, I haven't tried very hard. I had some issues with the SATA cables included with the Adaptec card and ended up replacing them with cables that seems to seat better and wobble less. One card I would definitely *not* recommend is Adaptec's AAR-1210SA card, a two-port SATA card with a Silicon Image chipset. After having lots of problems under RHL 9, I managed to get it working with a Debian system with a custom 2.6 kernel. Definitely not worth the money. Both of these arrays were meant as quickie solutions to relatively unimportant problems. If I were to do them again, or do a more serious project, I would definitely go with the 3Ware cards over the Adaptec cards. I also had a very bad experience with a Promise external RAID enclosure that has put me off Promise for life. (Actually, I would seriously consider adding disk space via one or more of Apple's Xserve RAID subsystems, as well.) YMMV. Claire *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Claire Connelly cmc(a)math.hmc.edu Systems Administrator (909) 621-8754 Department of Mathematics Harvey Mudd College *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) Comment: Processed by Mailcrypt 3.5.8 <http://mailcrypt.sourceforge.net/> iD8DBQFBlRZpB0pE8d7vd8wRAhAtAKCIsuxhinGoRTMqXNdKDXrthX/LiwCeMOwu OyTaL0+Ti6OVMC6WTAVl2bk= =GJZ2 -----END PGP SIGNATURE-----

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CentOS 3.3 x86_64 hang on a nForce3 250 mainboard
by Richard Shao 12 Nov '04

12 Nov '04

hi all: When I install CentOS 3.3 x86_64 on a athlon64 with a Gigabyte K8NS mainboard(nForce3 250 chipset), it hangs after detecting IDE controller. I've tried to pass acpi=no to kernel, but the problem still exists. can anyone help me? thanks!

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SNMP problems
by Peter Farrow 11 Nov '04

11 Nov '04

Dear All, I don't know if this is the right list for this type of question and I am sure I will be told if its not.... I am using Centos 3.3, with a 2.4.20-30.9 kernel on an Amd Opteron box. I am using this kernel because it has matching freeswan modules. I am also using the following net-snmp packages: net-snmp-5.0.9-2.30E.6 net-snmp-devel-5.0.9-2.30E.6 net-snmp-utils-5.0.9-2.30E.6 I find that the values returned for the ethernet traffic (this machine has six ethernet ports) via snmp are bogus and the same for in and out octets, bearing no resembence to the actually network traffic. I have Yummed to the latest of everything, but still no joy, its still wrong, If anyone knows of this problem please could you put me out of my misery.... :-) In the mean time I have written a perl script to grep the rx/tx bytes printed by ifconfig and sent these to mrtg for now, but this is not ideal..... Regards Pete

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most stable sata raid cards for centos
by Imran ＠ Coreix LTD 11 Nov '04

11 Nov '04

Hi, What are the most stable sata raid cards for centos. Looking at sata raid1 setup. Kind Regards, Imran ************************************* This electronic transmission is strictly confidential and intended solely for the addressee. If you are not the intended addressee, you must not disclose, copy or take any action in reliance of this transmission. *************************************

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kernel swapping bug
by William Warren 07 Nov '04

07 Nov '04

I have been fighting with a kernel swapping bug for some time that was present in RH9 and carried over to RHEL 3 and hence CentOS. There is a beta U$ kernel and i was wondering would i break my system installing this beta U$ kernel? Also how would i go about installing this kernel? Is it a simple RPM command argument? Bugzilla report: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=132155 kernel File in question: http://people.redhat.com/~lwoodman/.for_sun/ -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

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why developers got stuck with huge ISP bill
by Rick Graves 07 Nov '04

07 Nov '04

Lance, Let's go at this from another angle. > I am absolutely certain having analysed the logs > that the excess bandwidth was caused by people > downloading .iso images for centos from our > master mirror(s) .... How could this happen? Here is my explanation: 1) As far as I am aware, the cAos site does NOT ask distro users to download from public mirrors, rather than from the master mirror. 2) On install, yum.conf points to the master mirror. 3) Even if a distro user puts in a custom yum.conf file that points to a public mirror, "yum update" can remove the custom yum.conf file, and put in its place a yum.conf that points to the master mirror. 4) From 2 & 3, I got the impression that it is OK, even encouraged, to download directly from the master mirror. This is supported by the lack of any request not to do so, 1. 5) Maybe lots of other distro users got the same impression as 4. That is my explanation. Does anyone have a better explanation for Lance's analysis of the logs? Rick

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Re: [Centos] Promise raid cards - software raid
by dan1 05 Nov '04

05 Nov '04

Thanks again for those answers which I'm sure will also interest other people. If I understand correctly, I can use software RAID with no disadvantages over hardware RAID as for reliability in cases of power failures (as long as we use journalised filesystem), is that correct ? I'm not in fear about he CPU increase for software RAID, that isn't a problem to me. What else do you think I would loose by using software RAID instead of hardware raid ? Also, sorry to insist about power failures, but here is the reason: my provider allows me to have remote reboot on my server, which is very helpful when the system hangs suddenly as I have no physical access. Curently I must do a hardware reboot 1-2 times per year and the system starts and runs again correctly. These remote reboots are power failure types and are more and more frenquently offered to customers. It avoids us to ask the technician to reboot the machine. Your professionnal experience is very instructive. All you said about the flush problem is thrilling. Do you mean then that having battery bakup RAID will not help much regarding reliability in cases of power failures ? Then many people have been tricked ? Last: is there a mean of knowing what datas have been lost when a power failure happened ? Can we see that in terms of sectors, clusters or in terms of files which are corrupted ? Can we see a list of those ? Thank you a lot, Terrence ! Daniel ----- Original Message ----- From: Terrence Martin To: dan1 Sent: Friday, November 05, 2004 2:01 AM Subject: Re: [Centos] Promise raid cards - software raid dan1 wrote: > Hello, Terrence. > > Thank you for your complete answers. That's very interesting. > > > > I am not sure what you mean about the file system crashing? > > I meant that it becomes unrecoverable, or that some datas are missing. > These are two seperate problems with two seperate solutions. You can have loss of data without the file system having any problems. That is data is missing, perfectly working file system. In fact journaled file systems pick preserving the file system over missing data every time. Eg. You have a database and are writing a query to the database that inerts 1000 records. If you do not insert all 1000 records then you cannot use any of them. That is record 1000 depends on all the previous 999. On record 678 the power fails. When the system comes back what happened to the first 678 inserts? You assume they complete but since you need all 1000 for the data to be valid you basically have to delete the ones you did insert and start again, if you can. Deleting means that you first have to know what records to delete. Depending on the complexity of the inserts (they could touch dozens of tables and interrelationships) you could have a lot of work ahead of you to manually find what is a record that is part of that incomplete set and what records are not. This is where a journal comes in. A journal records when data is written. Basically you record what you write after you finish writing a record so that worst case you can replay that journal of changes to back out of what happened. This is what a journaled file system does. It allows you to more easily back out of the incomplete data problem quickly. This is opposed to the old method of file system consistency checking which was like a manual search of the entire database. If you only have to go over the changes, rather than searching the whole database it is faster. Also the long manual check is complicated and prone to error. For speed and accuracy a journal is better. However journaled file systems do not save the data. In fact journaled file systems will throw away data if it is incomplete. Say in the above example for some reason that you could use the first 678 records, or that there was no other way to recover the 1000 records again so 678 was better than nothing. Well a journal does not care. It simply looks to see if the whole transactions completed of 1000 records. If it didn't it deletes everything up to the failure. Even if 999 of the 1000 records was written it will still delete the 999. The assumption being that it is better to have a consistent file system and protect the good data than have partially written data, that while valuable is inconsistent. If you want to ensure that even partial data is preserved you have to do other things to protect it. A battery protect RAID card is one very very narrow approach that solves one specific type of failure state. Where data is written to the RAID card but not to disk yet. Lets go back to our above example You have a power failure on record 678. The raid card has memory to store 5 records. At the time of the power failure it has only sent the first 673 records to the disks for writting. The other 5 are in the controller cache. If you have a battery on that memory you will save those 5 records. However does it matter? Afterall 678 or 673 they are still not 1000. Also the disks themselves may store in their cache 2 records. So the disk has only written records up to 670 with records 671 and 672 still waiting in volatile RAM with no battery backup attached directly to the disk (write back cache on all PATA drives). The power fails and the system comes back online. The RAID card writes records 673-678 to the disks and they write them. Unfortunately records 671 and 672 are lost because they were in volatile disk cache on the disk itself. So you have records 0-670,637-678. You in fact have a hole in what you have on disk, and who cares anyway because the journaled file system is going to delete all those records when it goes to work to ensure integrity over data preservation. Basically RAID batteries buy you something, but not much, and they buy you even less when they are attached to ATA drives that have write back cache that essentially makes the RAID cache moot. > > I do not recommend ext3 for anything over about 120GB. > > OK, that's interesting. > I work with compute cluster and with file systems that are in the terabytes of size. Basically nothing else has come close to XFS in practice. The guys that admin the really big stuff that we collaborate with will not touch anything but XFS and they have petabytes of storage. If you can go with XFS. Even RHEL4 should finally have XFS standard since fedora core 2 and later has it as an option, even for the root disk. > > My biggest question is why at this point are you even bothering with > PATA drives? Compared to SATA drives they are unreliable and poor > performing for about the same cost. > This is what I get from my ISP (I think). However it doesn't change a > lot my conception and thoughts about raid. The flush problem remains > the same. > Also I am more familiar to PATA. The flush problem as I hope I have demonstrated is not at all addressed by battery backups on RAID card ram. Battery based backup of RAID memory is a good gimmick, but in practice is useless. It covers such a narrow part of the problem space as to be irrelevant. If you are concerned that power failure will loose data get a UPS for the entire system. It is the only thing that will help you because it is the only thing that will allow your entire system, from software to hardware to achieve a consistent state before shutting down. Otherwise you may save a few bytes of data that was in cache on the RAID card but that does not matter since you will still end up with an incomplete file system transaction that the journaled file system is going to delete anyway. The linux journaled file systems are very good at preserving integrity, even in the face of underlying hardware failure in some cases. Choosing a good file system is all you need to do there to ensure that aspect. As far as data loss, aside from backups after the fact the only solution that will work in practice is Uninteruptible Power Supplies that will give you enough time to shutdown the entire system in a consistent way. Terrence > > Thank you for your interesting advices. I appreciate that ! > > Best regards, > > Daniel > > >

1 0

dvd iso's
by William Warren 05 Nov '04

05 Nov '04

I edited the .discinfo file but still the installer does not recognize the dvd as an instllation medium. I have attached the .discinfo file. If i made a mistake let me know..otherwsie it looks like the installation program itself may need a bit of adjusting..no idea. William William Warren wrote: > Well that didn't work. I got a bootable dvd out of it but the centos > installed did not detect the media as having the installation files. It > asked for a cd instead of recognizing the dvd. Winiso cannot handle > dvd's..:( Anyone have a way to make the centos installer realize all > its files are on the dvd instead of looking for three cd's? > > -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape" -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape" 1095354229.83 update3 i386 1,2,3 RedHat/base RedHat/RPMS RedHat/pixmaps

3 6

Promise raid cards
by dan1 04 Nov '04

04 Nov '04

Hello. I would like to know if promise RAID cards are compatible with CentOS / RHEL ? I have seen that only SATA is supported on the RHEL hardware compatibility list. The other ATA raid cards seems not to be compatible. They give source code and promise grants compatibility with RedHat 8 and 9 but not RHEL. I would like to know if somebody tried a ATA raid card like Fasttrack TX2000, SX4000, Fasttrack 100 TX2, etc.. If you could share me your experience it would be great. My provider says that he had some bad experiences about that cards and he doesn't allow me to use CentOS on his promise cards he provides (only), so I cannot have RAID on my server... it's a shame.. Thanks for any feedback. Daniel

5 8

Speaking of SATA
by Terrence Martin 04 Nov '04

04 Nov '04

Hi, I installed CentOS on a 1U server with a SI SATA Controller According to lspci a CMD Technology Inc Silicon Image SiI 3112 SATARaid Controller (#2) (rev 2) The problem is for some reason the system came up without DMA. Of course this means terrible IO performance. Aside from setting it with hdparm is there a way to have it do this on boot? Is this a known issue? Terrence

1 0

openssh chroot rpms
by xspace 04 Nov '04

04 Nov '04

im rebuild the centos 3.3 openssh rpms with chroot patch. the rpms available on http://slackpkg.ath.cx/centos/chrootssh Hardering your Centos box

1 0

dvd iso's
by William Warren 04 Nov '04

04 Nov '04

Well that didn't work. I got a bootable dvd out of it but the centos installed did not detect the media as having the installation files. It asked for a cd instead of recognizing the dvd. Winiso cannot handle dvd's..:( Anyone have a way to make the centos installer realize all its files are on the dvd instead of looking for three cd's? -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

dvd ido's
by William Warren 04 Nov '04

04 Nov '04

ok i have the three main iso's of the centos 3.3 distribution. all three discinfo files are exactly the same. So does this mean i can just combine the files and go? -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

Ensim on CentOS 3
by Daniel Avila 04 Nov '04

04 Nov '04

Anyone has tried it ?

1 0

Newer GnuPG (S)RPMS?
by Henk van Lingen 04 Nov '04

04 Nov '04

Hi, Has anyone newer GnuPG (S)RPMs than the one coming with CentOS (gnupg-1.2.1-10). That one obviously has problems (for example: it doesn't recognize new signatures on keys when doing 'gpg --import keysfile'). I tried to build new packages from various SRPMs from the Fedora distros. The builds went oke, however, after installing them (no complaining debs) this error occurs when using gpg: gpg: relocation error: gpg: undefined symbol: strlwr Regards, -- Henk van Lingen, Systems & Network Administrator (o- -+ Dept. of Computer Science, Utrecht University. /\ | phone: +31-30-2535278 v_/_ http://henk.vanlingen.net/ http://www.tuxtown.net/netiquette/

1 1

Update ?
by JD. Brown 03 Nov '04

03 Nov '04

I realize that up2date and yum are two different methods of updating with CentOS. My question is this? I updated my yum signature key. Downloaded all required updates and now up2date still complains of 500 more updates after the initial count was 514. Should I worry about this or what hack is known to fix this? I looked around the web and only found people talking about "Yum" and only one site making referenecs of fixing up2date with no follow ups. I'm just concerned about this? Other than that, I'm very happy with CentOS. Thank You, JD. Brown

1 0

Re: [Centos] DVD ISO
by William Warren 02 Nov '04

02 Nov '04

nod will use winiso to make sure it is bootable..or at least try to..<G> Trevor Batley wrote: > Quoting William Warren <hescominsoon(a)emmanuelcomputerconsulting.com>: > > >>In response to my other thread..could i use winiso to extract all >>three iso's then just use nero to make a new dvd iso of the >>files(after editing the .discinfo file)? I am going to give it a >>try in the next few days..hope it works..<G> >> > Yes! (just be careful about being bootable) > > Trevor B > >>-- >>My "Foundation" verse: >>Isa 54:17 No weapon that is formed against thee shall prosper; >>and every tongue that shall rise against thee in judgment thou >>shalt condemn. This is the heritage of the servants of the LORD, >>and their righteousness is of me, saith the LORD. >> >>-- carpe ductum -- "Grab the tape" >>_______________________________________________ >>CentOS mailing list >>CentOS(a)caosity.org >>http://lists.caosity.org/mailman/listinfo/centos >> > > > >>---------------------------- > > Trevor Batley > trevor_AT_batley.id.au > -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

DVD ISO
by William Warren 02 Nov '04

02 Nov '04

In response to my other thread..could i use winiso to extract all three iso's then just use nero to make a new dvd iso of the files(after editing the .discinfo file)? I am going to give it a try in the next few days..hope it works..<G> -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

instlal issue
by William Warren 02 Nov '04

02 Nov '04

I am getting a GPG error whenever i try to install samba. I have just reinstalled 3.1..yum updated to 3.3 and now m getting gpg errors. Any ideas? I am going to go get the gpg key and reinstall it -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

should cAos block access to mirror.caosity.org?
by Rick Graves 02 Nov '04

02 Nov '04

Hey, Greg suggested that I take a straw poll. Should cAos take steps to prevent getting stuck with a big ISP bill in the future? For example, should cAos: a) for new installs, have the yum.conf point to public mirrors, rather than to mirror.caosity.org? b) make sure that "yum update" does not substitute a new yum.conf file that points only to mirror.caosity.org? c) allow public mirrors to access mirror.caosity.org directly, but block direct access by everyone else? On the other hand, do the benefits of allowing direct access to mirror.caosity.org by everyone outweigh the costs of occasionally big ISP bills? Feel free to express your views, Greg is listening. Rick

5 4

Newer LAMP Components
by Johnny Hughes 02 Nov '04

02 Nov '04

I have been working on newer LAMP components for CentOS / WBEL in response to a post in my forums, and I have completed the following components for those who want try some newer stuff: httpd-2.0.52-3 php-5.0.2-1.EL MySQL-4.1.7-0 Details on how to compile them yourself and how to install are on my forum: http://www.hughesjr.com/component/option,com_forum/Itemid,65/page,viewtopic… I don't necessarily intend to maintain these programs by doing security updates although the complete build process including all dependencies required to build each SRPM is included in the forum. I am NOT using these in production, but I am using them on an intranet test server with Mambo installed. So far, no real problems. ----------------------- Johnny Hughes <http://www.HughesJR.com/>

1 0

GFS for CentOS-3
by John Newbigin 01 Nov '04

01 Nov '04

I have built GFS & CS packages for CentOS-3. I am not aware of official CentOS versions yet so I am offering these packages. The current location is http://bender.it.swin.edu.au/centos-3/ See the readme.txt for more information. John. -- John Newbigin Computer Systems Officer Faculty of Information and Communication Technologies Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

4 5

Centos-3 i386 Updates: xchat, xpdf
by seth vidal 29 Oct '04

29 Oct '04

Hi All, Updates for Centos-3 i386 are now available. They will be hitting a mirror near you shortly. xchat: https://rhn.redhat.com/errata/RHSA-2004-585.html i386/RPMS/xchat-2.0.4-4.EL.i386.rpm i386/SRPMS/xchat-2.0.4-4.EL.src.rpm xpdf: https://rhn.redhat.com/errata/RHSA-2004-592.html i386/RPMS/xpdf-2.02-9.3.i386.rpm i386/SRPMS/xpdf-2.02-9.3.src.rpm Both of these updates can be applied by running the command: yum update let us know if you run into any problems. -sv

1 0

Netatalk and CentOS
by Ed Ewing 28 Oct '04

28 Oct '04

Hello, Anyone running netatalk on CentOS? Appears that the newer version 2 has no rpms that I could find. Trying to install from source didn't do the job either. Would appreciate some help/input. Thanks

2 1

RE: [Centos] kickstart from cd
by Lee W 28 Oct '04

28 Oct '04

-----Original Message----- From: beau [mailto:phaedral@gmail.com] Sent: 26 October 2004 23:04 To: Lee W Subject: Re: [Centos] kickstart from cd On Tue, 26 Oct 2004 22:59:17 +0100, Lee W <centos-list(a)unassemble.co.uk> wrote: > If you have the ks.cfg file on the root of your CD and the drive is > plugged into the secondary master IDE Channel you may need something > like:- > > linux ks=hd:hdc/ks.cfg I'll give that line of investigation a try in the morning when I pick this back up; thanks. Don't rightly know if that's how the cd is set up, have only vague idea of how to find out... ----------------------------------- Do a find on the CD for ks.cfg, this will tell you where the file is located. To find out what channel the CD drive in on have a look in the BIOS of your machine. Regards Lee

2 1

CentOS-2 errata
by John Newbigin 28 Oct '04

28 Oct '04

The following errata for CentOS-2 have been built and uploaded the the centos mirror: RHSA-2004:592-01 Updated xpdf package fixes security flaws Files available: xpdf-0.92-13.i386.rpm More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html The easy way to make sure you are up to date with all the latest patches is to run: # yum update -- John Newbigin - Computer Systems Officer School of Information Technology Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

1 0

CentOS-2 errata
by John Newbigin 28 Oct '04

28 Oct '04

The following errata for CentOS-2 have been built and uploaded the the centos mirror: RHSA-2004:585-01 Updated xchat package fixes SOCKSv5 proxy security issue Files available: xchat-1.8.9-1.21as.2.i386.rpm More details are available from the RedHat web site at https://rhn.redhat.com/errata/rh21as-errata.html The easy way to make sure you are up to date with all the latest patches is to run: # yum update -- John Newbigin - Computer Systems Officer School of Information Technology Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

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