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x86_64 kernel compilation
by John Logsdon 08 Dec '05

08 Dec '05

If I can squeeze a message between the discussions on security (:-)) I have been trying to compile a kernel on an x86_64 box under CentOS4.1 and now 4.2. The problem is that neither make xconfig or make gconfig work: make gconfig * * Unable to find the GTK+ installation. Please make sure that * the GTK+ 2.0 development package is correctly installed... * You need gtk+-2.0, glib-2.0 and libglade-2.0. * make[1]: *** [scripts/kconfig/.tmp_gtkcheck] Error 1 make: *** [gconfig] Error 2 and a similar message for xconfig: make xconfig HOSTLD scripts/kconfig/qconf /usr/bin/ld: cannot find -lqt collect2: ld returned 1 exit status make[1]: *** [scripts/kconfig/qconf] Error 1 make: *** [xconfig] Error 2 Yet I have the following libraries installed: compat-glibc.i386 1:2.3.2-95.30 installed compat-glibc.x86_64 1:2.3.2-95.30 installed compat-glibc-headers.x86_64 1:2.3.2-95.30 installed glibc.i686 2.3.4-2.13 installed glibc.x86_64 2.3.4-2.13 installed glibc-common.x86_64 2.3.4-2.13 installed glibc-devel.x86_64 2.3.4-2.13 installed glibc-devel.i386 2.3.4-2.13 installed glibc-headers.x86_64 2.3.4-2.13 installed glibc-kernheaders.x86_64 2.4-9.1.98.EL installed glibc-utils.x86_64 2.3.4-2.13 installed gtk+.i386 1:1.2.10-33 installed gtk+.x86_64 1:1.2.10-33.centos4 installed gtk+-devel.x86_64 1:1.2.10-33.centos4 installed gtk-engines.i386 1:0.12-6.el4 installed gtk-engines.x86_64 1:0.12-6.el4 installed gtk2.x86_64 2.4.13-18 installed gtk2.i386 2.4.13-18 installed gtk2-devel.x86_64 2.4.13-18 installed gtk2-engines.x86_64 2.2.0-7.el4 installed gtk2-engines.i386 2.2.0-7.el4 installed libglade2.i386 2.4.0-5 installed libglade2.x86_64 2.4.0-5 installed pygtk2.x86_64 2.4.0-1 installed pygtk2-libglade.x86_64 2.4.0-1 installed Since menuconfig is totally unusable, I am quite stuck. I have regularly compiled on an x86 box with virtually identical installation and I have compared the libraries but can't see what I have missed. The kernel version is 2.6.14.3 which is the latest stable but this happens with older kernels. There have been suggestions of various patches to a makefile which I have tried but to no avail. So I think it may be a library issue. So can anyone with an x86_64 box on which they have successfully compiled a kernel post me their output from: yum list | egrep gtk\|glibc\|glade | grep installed ... or even the complete yum list (privately to save bandwidth!) TIA John John Logsdon "Try to make things as simple Quantex Research Ltd, Manchester UK as possible but not simpler" j.logsdon(a)quantex-research.com a.einstein(a)relativity.org +44(0)161 445 4951/G:+44(0)7717758675 www.quantex-research.com

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Planning Mail Server (with low resources)
by Alain Reguera 08 Dec '05

08 Dec '05

Hello, I'm planning the installation of the school's Mail Server. This is the first time I get in administration. I've been reading about postfix, cyrus and the first page in the guide of HughesJR.com[2] about installing postfix-cyrus, but due my low hardware resources, I ask for suggestions to see If what I need can be done (and|or) stable. Hardware: Pentium III 1.4Ghz 256 RAM 40 GB HD-IDE Soft: CentOS 4.2 Postfix Cyrus-IMAPd MailScanner Spanassassin Partitioning(in MB)[1]: / 1.000 /boot/ 100 /home/ 15.000 /swap/ 512 /tmp/ 500 /usr/ 1.000 /var/ 5.000 /var/log/ 2.000 /var/spool/mail/ 14.800 The server will serve around 2000 students, but only 80(maybe 100) concurrent at time. I would like to make a very basic installation, 'cause as you can see, I am with a very low hardware resources. This host will be mail dedicated. In the near future the hard would be upgraded(maybe a nu computer). Now, I need something to show in a working environment. I'll appreciate any suggestion. I've never been involved in this. I used to program with php, but now, it has been delegated :| to me (chosen between other tasks). Some orientation (and|or) readings will be great too, even while, I'll continue reading about partitioning[3] (think my first step). thanks in advanced for your time. [1] http://www.linuxsa.org.au/tips/disk-partitioning.html [2] http://www.hughesjr.com/content/view/9/30/Guides [3] http://www.tldp.org/HOWTO/Partition/intro.html

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DAG repo problem (continuation)
by Dominik Składanowski 08 Dec '05

08 Dec '05

Hello list. Continuing previous topic: http://lists.centos.org/pipermail/centos/2005-November/015586.html, I would like to ask: anybody has the same problem? Still I can't update this few packages. Regards. -- ____________________________________________________________________ D o m i n i k S k ł a d a n o w s k i

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Tape Device
by Mauricio Merlin 08 Dec '05

08 Dec '05

What module I can run for my IDE Device Tape? In the Debian use modprobe ide_tape Error: FATAL: Module ide_tape not found. Tanks -- Cimed Ind. de Med. Ltda Mauricio Merlin Machado Analista de Suporte Tel. (11)2244-7257

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Samba Server requirement
by Sreenath G 08 Dec '05

08 Dec '05

Hi all, I am using CentOS 4(equivalent to RHEL 4) with Samba Version 3.0.10-1.4E.I have mount a folder(say "//linuxsrv/projectname" in my "/mnt/projectname") from my Development server which is a Debian Sarge box.My requirement is that whenever the Samba server running on Debian Box is restarted,I have to recognize it and unmount the "server folder" and then mount it again or shortly I have to recognize the Samba server status of the Debian box.Is it possible by any configuration editing in /etc/smb.conf or anything like that. Please help me as I am not a Linux guru. -- regards Sreenath.G

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RE: Keeping data on 2 servers in sync !
by Jonathan Darton 07 Dec '05

07 Dec '05

>I want to build 2 servers (both running samba) to provide file storage to 2 >offices (approx 100 miles apart, linked via DSL) but all data writen to 1 >server must also be saved to the other server. >Both servers would also allow users to access the data via a VPN thus >allowing 1 office with a failed server to access the other server via the >vpn and still see the data from both offices. >I currently have 1 server working but we want to add the second office to >the system. (Currently 1 office has 10 users and the second office has 1 >user connected via VPN ) but the second office will have 20 within 12 months >and the first will have 35 soon )) >Has anyone done anything like this ? I am currently synchronizing multiple office locations using a program called unison. Unison (http://www.cis.upenn.edu/~bcpierce/unison/) is a very well written program that can perform 2 way file synchronization. There are many configurable options with unison and I recommend that you check it out. In each office I have a PII350 128RAM Fedora or CentOS server running unison and the files are accessed via samba. I also configure samba to hide (veto) all of the temporary files used during synchronization. For redundancy I place a slave server with each master server that backs up all the user data / file system using rsync. This way if one of my $5 PII servers catches fire I can automatically switch over with no downtime for the users. The only downfall I have encountered is with Autocad files not properly reading the synchronized .dwl lock file and more than one user working on the same file. As a work around for this I have configured Unison to keep a backup of the last 20 versions of a file. This way I can always hit my backups to retreive lost data. As a side note, if anyone knows a work around for the stubborn autocad dwl lock file let me know :))! In any case my implementation has allowed me to synchronize file systems between 4 offices (3 in Canada, 1 in USA), using recycled hardware that was otherwise going to be donated/trashed. Let me know if you have any further questions. AJ Darton, B.COMM CIS System Consultant

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Dovecot w/ MySQL support and CentOS
by Jeffrey Tadlock 07 Dec '05

07 Dec '05

I am converting a Debian box running Postfix, Courier and MySQL to a CentOS box running Postfix, Dovecot and MySQL. I have the Postfix with MySQL support taken care of with the RPM from the centosplus repo. It appears that the stock RPM for Dovecot comes with Postgres, but not MySQL support. It looks like I need to download the source RPM and then rebuild it with MySQL support. Could someone outline the steps I need to do this or point me to a good resource? I have not worked with source RPMs in the past, but it looks like it is time to learn! Also, if I build it from a source RPM, should I then exclude it from my repos to keep a future update from overriding the one I built? Thanks! Jeffrey

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CBQ - Centos 4.2
by Adriano Frare 07 Dec '05

07 Dec '05

Dear Friends, How I Install CBQ in CENTOS 4.2 ? Thanks Adriano

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Missed disk array during centos installation!
by Victor Manuel Acosta Montaña 07 Dec '05

07 Dec '05

Hi all, i´m a newby and i have a HP lc 3 server 600 mb ram 3 raid 0 HD and i´m getting this error when i try to install CentOS on it: "...No hard drives found ...OK?" and then server reboots. My question is: Do i need a raid driver to avoid this issue? if so, how i can get the right driver for my box? Any help will be helpfull... thanks and regards!

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CentOS 4.2beta on Sun Ultra 5 (sparc64)
by Magnus Hedemark 07 Dec '05

07 Dec '05

I just wanted to bring some attention to the experimental build of CentOS that Pasi put together for sparc64 architecture. I installed it for the first time last night on a Sun Ultra 5 (333MHz, 256MB RAM, upgraded to 40GB hard disk). I installed it over a serial console as this is a headless system. Install went flawlessly. After the install was done and it booted up, I ssh'd in as root, and within 5 minutes had it participating in my LDAP/Kerberos/NFS environment. Logged out, logged back in with my regular user account with X11 forwarding enabled, and started firing up GUI apps. The box is a little memory starved, and I think with 512MB it would be a lot better, but it is quite usable! App startup time is longer than what my Athlon64 3700+ has me accustomed to but once the apps are running, they are snappy & stable. If you have an old 64 bit Sun workstation kicking around collecting dust, I think it would be worthwhile to try this build out and post your results to Pasi's centos-sparc mailing list. With any luck, maybe we can get to the point where this is an officially supported architecture. Some apps are still missing, as is to be expected with a new architecture. Most notably, OpenOffice.org is not there. I did run firefox, gimp, thunderbird, and xchat flawlessly though. I can't comment at all on local X11 console support because my sun boxes run headless. This is inspiring me to save up for a loaded Sun E420R or E450 to run at home and replace my Duron-based web/mail server.

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