Discuss August 2007

discuss@lists.centos.org

284 participants
392 discussions

[Semi-OT] Advice on large webmail setup
by Neil Thompson 03 Jan '08

03 Jan '08

Hi all, As the resident Linux guru, I've just been tasked with costing a webmail setup for about 600 000 users. They each have 10MiB (small, I know) mailboxes. The current setup has about 40 million web page accesses per month. Has anyone here any experience with this kind of thing? If so, any pointers as to software and hardware used, and any other advice would be appreciated. TIA -- Cheers! (Relax...have a homebrew) Neil THEOREM: VI is perfect. PROOF: VI in roman numerals is 6. The natural numbers < 6 which divide 6 are 1, 2, and 3. 1+2+3 = 6. So 6 is a perfect number. Therefore, VI is perfect. QED -- Arthur Tateishi

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Team CentOS breaks though the 200 ranking barrier.
by Sharon Kimble 23 Nov '07

23 Nov '07

Congratulations to all the CentOS folding@home team members for breaking through the 200 world ranking barrier. Its taken a bit of time but we've all helped to do it. Our next target is obviously to achieve 150th in the world ranking. But, to help achieve that we're going to need more members and more machines. So, if you think it sounds interesting and you want to learn more, then please have a look at http://www.sharons.org.uk/cf.html or ask in #centos-social on irc, or in the usual mailing list. Theres always someone on hand to advise or to point you in the direction of someone who could possibly help. Thanks everybody, and full steam ahead to the next target! :) Sharon. -- 14:20:05 up 9 days, 21:44, 2 users, load average: 2.89, 1.72, 1.62 A taste of linux http://www.sharons.org.uk/taste/index.html efever http://www.efever.blogspot.com/ Centos 4.4, KDE 3.5.4-6.0, OpenOffice 2.0.3 Registered Linux user 334501 Get my public GnuPG key from http://keyserver.veridis.com:11371/export?id=6499064243027013735

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Announcement Project based on CentOS 4.4
by Tronn Wærdahl 29 Oct '07

29 Oct '07

I put together a CD with Open-exchange 0.8.6-5 and more, based on Centos 4.4 When installing the CD, all required software is installed, all that is needed after Os install is to run a config script, that make if fit your enviroment Dependig on the speed on your CDrom the installation should take no more than 30 minutts It install the following: - Open-Exchange 0.8.6-5 - Samba PDC - A PDF printer - Wildfire, a jabber server (for chating ) - Avaadm - Jetti, (jabber webclient) - Squid - Nameserver ( needed when join machins to domain) - Smartsive and websive - Antivirus - Syncml ( but i havent got it to work with any of my clients ) Since it could be so difficult to install, I put this together CD, and I guess allso others would have some use for it Its aviliable for download here http://ntx.waerdahl.net Tronn

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Squid Parent: child process XXXX exited due to signal 25
by Mark Quitoriano 16 Oct '07

16 Oct '07

how do i prevent the logfiles from getting 2GB of file. what should i set in logrotate? thanks!

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Asterisk
by Kenneth Porter 06 Oct '07

06 Oct '07

Is an RPM for Asterisk (the PBX system) available for CentOS 5? It looks like RPMforge is supposed to have one, as I can see dependent packages like asterisk-sounds, but the base package seems to be absent from the repository.

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Zimbra vs. Scalix vs. et. al.
by John Hinton 25 Sep '07

25 Sep '07

Well, I stumbled onto zimbra.... I have a Scallix system built, but still have some rough edges to try to smooth. Like the way it works with sendmail, no dnsbl's will work as sendmail sees all mail as coming from locohost (scalix). Still battling that one which is when I ran across Zimbra. So, this made me start wondering. Are there other exchange server-like products out there? Has anyone dealt with Scalix and Zimbra (or another from the question above) and would you care to post pros and cons to each? Some of the cons to me with Scalix. It uses it's own directory structure which is non-sensical to any admin. Each seems to be assigned on a numbering system.. finding who has what where is not fun and I fear will be a nightmare in the future. Sendmail milters work fine to a point, but there is the limit of filtering using dnsbl's and it appears it will require setting up sendmail as the receiver, passing to scalix, passing back to sendmail, passing back to scalix and the user mail boxes... adding an extra loop. Shared folder are nice.. shared calendars are pretty good although I don't see a way to sort by user are even really see immediately for which user the event exists. You can drag and drop from Outlook IMAP a file directly to the server, but internally we don't use outlook... but for other clients this could be nice. So, how are those Zimbra installs going and what's the scoop? Thanks, John Hinton

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Fedora Core 5 EOL on 2007-06-29
by Akemi Yagi 24 Sep '07

24 Sep '07

Ahem, I know this is a CentOS mailing list. BUT, as more and more people migrate from FC to CentOS, I thought placing this reminder here was worthwhile. [I am still running *cough* FC5 on my own desktop, so I am also running out of time] https://www.redhat.com/archives/fedora-announce-list/2007-June/msg00006.html Happy Centosing! Akemi

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Chroot tool
by Jordi Espasa Clofent 21 Sep '07

21 Sep '07

Hi, Currently I'm working on building chroot environment for a several users. The needs of those users are different, so the binaries and their libraries are differents too. The building process tends to be so tedious. I'm using a odd script to automatize the copy of needed libraries, but it not works very fine. ¿Is there some tool to automatize the chroot jails creation/management? ¿Do you use some kind of shell-script? -- Thanks, Jordi Espasa Clofent

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Setting up RAID using mdadm on a proliant DL320 G4
by israel.garcia＠cimex.com.cu 20 Sep '07

20 Sep '07

Hi, I have a new server HP proliant DL320 G4, with two 160 GB SATA hdds.. I have installed CentOS 4.5 with mdadm without any problem, but when I disconnect one disk the server does not boot or I received a kernel panic when booting... I have disabled the SATA embeded raid (BIOS) and nothing.. I've also download the driver from HP site HP (Embedded SATA RAID Controller Driver Diskette for Red Hat Enterprise Linux 4 (x86)). and nothing it does not recognize the driver from HP... does anybody knows how to setup a software linux RAID on a proliant DL320 G4? thanks in advance regards, Israel

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strange chgrp behavior
by Tomas Ruprich 17 Sep '07

17 Sep '07

Greetings, i had a following problem, which on one side i have already solved, but on other side i don't thing it should behave this way and wish somebody to tell if it is feature or bug ;-) [root@machine home]# chown user user/ [root@machine home]# ls -ld /home/user drwxr-xr-x 66 user staff 4096 /home/user [root@machine home]# chgrp -R staff user/ [root@machine home]# ls -ld user/ drwxr-xr-x 66 root staff 4096 user/ ^^^^^^ I've been working on it hole afternoon, playing with user permissions, moving home directories to others, debugging selinux and other things, but at last, it was caused by [root@machine home]# ls -la user/.openoffice/user/work lrwxrwxrwx 1 root root 13 Aug 28 14:35 user/.openoffice/user/work -> /home/user When i remove this symlink, everything works fine. I tried this on CentOS 4.4 and 4.5 with coreutils-5.2.1-31.4 and coreutils-5.2.1-31.6 and both are doing this. CentOS 5 with coreutils-5.97-12.1.el5 is already fine. I've been searching through coreutils gnu.org archives, but found nothing (maybe i'm not so experienced seeker ;-)) Thanks ------------------------------------------------------------------------------- Tomáš Ruprich ruprich(a)uikt.mendelu.cz DCD IICT MUAF Brno tel.: +420 545 132 885, +420 602 127 744 -------------------------------------------------------------------------------

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Discuss August 2007