Discuss February 2008

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286 participants
340 discussions

Netscape Directory Server 6?
by Sean Carolan 06 Feb '08

06 Feb '08

I understand that Red Hat has purchased and open-sourced (well sort of) what was formerly known as Netscape Directory Server. I am looking for version 6 of netscape directory server, does anyone know if this is available somewhere? http://www.redhat.com/docs/manuals/dir-server/release-notes/ds60relnotes.ht… Or can you only get the newest Fedora Directory Server now?

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log outbound port 80 connections
by Tony Schreiner 06 Feb '08

06 Feb '08

Is there a way to log outbound connections to a specific port (80)? CentOS 4.6. iptables? Thanks Tony Schreiner Boston College

5 9

Re: [CentOS] 32 bit applications on 64 bit machine
by Rozsa Sandor 06 Feb '08

06 Feb '08

----- Original Message ---- From: John R Pierce <pierce(a)hogranch.com> To: CentOS mailing list <centos(a)centos.org> Sent: Tuesday, February 5, 2008 6:58:42 PM Subject: Re: [CentOS] 32 bit applications on 64 bit machine Rozsa Sandor wrote: > Hi people, > > I have a 64 bit Centos machine. My problem is that I can't run 32 bit > applications on that. I can compile with the 32 bit option my sources, > but when I'm trying to run them I obtain the following error message: > > -bash: ./a.out: cannot execute binary file > And the file a.out returns the following: > a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for > GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux > 2.6.9, not stripped $ ldd ./a.out should list any required .so libraries it says $ ldd ./a.out /usr/bin/ldd: line 161: /lib/ld-linux.so.2: cannot execute binary file not a dynamic executable _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping

1 0

Removing a disc from a software mirror
by Joseph L. Casale 06 Feb '08

06 Feb '08

If I needed to remove a disc from a software mirror for a quick backup before a test, how can I remove it cleanly so that it has a good copy of the OS on it? If I use mdadm to fail then remove it, this would be done while CentOS is running (It's a mirror of the system disc) and I suspect the data on it would not be in a clean state? Is there a way to say have it not involved in the mirror after the next boot for instance? Thanks! jlc

3 4

Enterprise-class monitoring system for CentOS and Win2k3 server
by Sean Carolan 06 Feb '08

06 Feb '08

Can anyone recommend an enterprise-class monitoring system for both Linux and Windows servers? Here are my requirements: SNMP trap collection, ability to import custom MIBs isup/isdown monitoring of ports and daemons Server health monitors (CPU, Disk, Memory, etc) SLA reporting with nice graphs Pager/Email/SMS alerts with groups, filters and escalations Built-in MTBF and MTTR reporting Robust parent-child relationships between monitors or probes. For example, the system must be smart enough to know that if 25 URLs have gone down all at once, that they belong to an apache process that has died. I don't want 25 alerts, I want *one* alert telling me that the parent apache daemon is down. Ability to easily create dashboards from various monitors. We want this so we can see all components of a website in one place, eg, apache URL, database server, disk storage, etc. Attractive, easy to use GUI. We don't want a homebrew project with ugly graphs and a web 1.0 GUI. So far the products I have looked at are: NimBUS SolarWinds IP Monitor WhatsUPGold GroundWork Open Source Nagios And none of them have met all my requirements. Any suggestions?

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Creating a Roaming imap account
by Anne Wilson 05 Feb '08

05 Feb '08

This (CentOS5.1) box is my new imap server. Using system-config-security-level I opened port 143 tcp, and mail is readable throughout the LAN. I want a Roaming account on my laptop so that I can read mail while away from home. I have set up the account in kmail, and I know that that part is correct, as it worked on my old, less-secured, imap server. However, I haven't been able so far to make a connection. Do I need 143 udp open? What else must I do to allow me to connect over WAN? Thanks Anne

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32 bit applications on 64 bit machine
by Rozsa Sandor 05 Feb '08

05 Feb '08

Hi people, I have a 64 bit Centos machine. My problem is that I can't run 32 bit applications on that. I can compile with the 32 bit option my sources, but when I'm trying to run them I obtain the following error message: -bash: ./a.out: cannot execute binary file And the file a.out returns the following: a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped Any suggestions what I have to install or any links. Thanx s --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.

4 4

cpu type
by Jimmy Bradley 05 Feb '08

05 Feb '08

I have a quick question. The board and CPU that I'm using in one of my machines was given to me. I didn't take the time to look up the info on the board or anything. I was busy, so I just put the board in a pc case, hooked everything up, and loaded the os on the machine. I didn't know it at the time, but there's a chance it may be a 64bit board and cpu. I don't want to pull the machine out of the desk, and open it up to find out. Is there a command entered by way of the terminal window that will tell me what kind of cpu I have? I want to say that it's an AMD sempron 3000+, but I'm not sure. Thanks Jim

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Re: [CentOS] system gets suspended automatically!
by David G. Miller 05 Feb '08

05 Feb '08

Chandra <shekharc.2004(a)gmail.com> wrote: > Hello! > > I am running CentOS-5 with latest kernel available by deault (2.6.23). > I installed it on a Dell XPS machine having Intel Quad processors (4 > parallel cpus). I use it to run a computational program and I need to > keep the program running for 1-2 months continuously. I generally boot > it in runlevel-3 with network ON without X and use ssh from another > machine to connect and run the program using the "nohup" utility. > > However, the system automatically gets suspended (the computational > program stops, ssh stops working, whole the OS seems to be freezing) > after 4-5 hours. I have stopped the "acpid" daemon and boot the kernel > with "acpi=off" option in "grub.conf" but no help. The kernel log ( > /var/log/messages) doesn't show anything special. After the instant of > suspension, kernel also stops logging into "/var/log/messages". > > Please help me out. I think there is a kernel problem. I have run > programs for days and days continuously using FC5 (which had older > kernel). I can't use FC5 or older version of CentOS because I need > GCC-4.1.2+ to compile parallel OpenMP program. > > Thank you, > > Chandra What do you have to do to get the box out of "suspend?" If the system is frozen and you have to reboot the box to "unfreeze" it, I'd guess it's a heat issue. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

1 0

Cluster fun
by Scott Ehrlich 05 Feb '08

05 Feb '08

I've priced some 1 and 2U Dell servers. Now, I'd like to perform a price comparison of COTS hardware for 1 and 2U servers. What VAR companies do people recommend I check out for putting machines together? I'm perfectly capable of installing and swapping hardware components when/where needed, so on-sight support is not needed. Thanks much. Scott

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Discuss February 2008