Discuss September 2008

discuss@lists.centos.org

264 participants
315 discussions

Computer and network devices management tool
by Lunix1618 15 Sep '08

15 Sep '08

Hello, I have to deploy a monitoring system that need to keep watch on every device/host on my LAN. Can anyone recommend me a tool that in CentOS packages stock ? I know some tool like GLPI but no available CentOS package so I want to looking for something else that already that tested on CentOS. I am running CentOS 5.2 Thanks in advance. Regards,

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Slackware's 'explodepkg' equivalent for rpm?
by Niki Kovacs 15 Sep '08

15 Sep '08

Hi, Is there any 'explodepkg' equivalent for the rpm command? What I want is simply uncompress an RPM package to get the files directly, but I didn't find anything in rpm's manpage. Cheers, Niki Kovacs

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HP Hardware
by Mag Gam 14 Sep '08

14 Sep '08

At my university we use HP hardware exclusively. When we build CentOS our Unix SA is running several HP utilities. I am wondering what some of these utilities are, such as cmaidad. Is it possible to to use these HP utilities to monitor for disk crashes (similar to smartd)? Is anyone using native HP utilities for this purpose? TIA

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Installing libpng
by Joe Tseng 14 Sep '08

14 Sep '08

I've been trying to install perl-Tk and I learned v804.028 uses libpng > 1.2.20; CentOS 5.2 still uses 1.2.10. Is there an RPM out there I can use that's > 1.2.20? I'm just afraid of compiling from source code and breaking all the apps that depend on what's on the system right now. - Joe

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Local yum repository
by saurabh 14 Sep '08

14 Sep '08

Hi All, i have a local repository configured for 'yum',which have files copied over from the RHEL DVD,It was configured initially,as i was facing some issues with my NIC which was not supported on 2.6.18 so had to upgrade to 2.6.26. Now as all is working fine and i'm on net i want to disable that repository and just use the rpmforge repository configured on my system following directions from http://wiki.centos.org/AdditionalResources/Repositories/RPMForge?action=sho… Please help me out - Disabling the local Repo or by - Any method to keep it up to date ,[syncing it with some online repository]

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Illegal opp code
by Dermot 14 Sep '08

14 Sep '08

Hi, HP DL 385 G2. CentOS 5.1 Kernel 2.6.18-92.1.10.el5 I have a newly installed server that was running x. It told me there were updates to install. I accepted that all, except sysreport as I always seem to have problems installing. I rebooted, having set the default run level to 3. I then got a red screen with an "illegal OpCode" error message. I have used my CD to boot into rescue more. My old system is mounted under /mnt. I would also like to get my system back up and running. I have put a fair bit of time into loading libraries and software. I have tried editing the grub.conf and commenting out the 2.6.18-92.1.10.el5 kernel so it used a previous kernel but I can not get past this error. There is no message from grub. The system comes straight from the BIOS messages into this red screen. Is there any other ways to determine what the problem is? The error messages says nothing more that a few lines of hex which don't look useful to me. Any thoughts would be appreciated. TIA. Dp.

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Installing nVidia driver on remote CentOS 4
by Eon Strife 14 Sep '08

14 Sep '08

Hi, There's a linux cluster somewhere (using Rocks), and I use remote desktop (nxmachine) to do the work on the frontend of the cluster. The desktop is Gnome. And, I intend to install new nVidia driver, but it requires me to stop the X Server. I check around the internet, they say we can use the /etc/init.d/gdm stop, but I can't run it since the gdm file does not exist. Another alternative is by rebooting the Linux (of course, we change the inittab before). But I don't know how to reboot remotely. Moreover, I don't know if it is safe to reboot Linux remotely, because I can't physically access the linux workstation. Oh, the operating system of the Linux is CentOS 4. What should I do ? Thanks. New Email names for you! Get the Email name you've always wanted on the new @ymail and @rocketmail. Hurry before someone else does! http://mail.promotions.yahoo.com/newdomains/aa/

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Re: [CentOS] Problem to run 4 virtual machines at a time.
by Wilson Lee 13 Sep '08

13 Sep '08

nate wrote: >What is vyatta system? From a search the closest I can find is >some sort of software that provides routing functionality > >http://www.vyatta.com/index.php > >Is that it ? Correct. Vyatta is an open source full-featured router/firewall/vpn solution based on Debian. It can be installed on a physical computer or virtualized. Especially in a virtualized environment, Vyatta allows one to easily segregate network segments. Resource requirements can be very low depending on the level of traffic and features enabled. I currently use it as my primary home router for my static PPPoE AT&T DSL. I also use it to provide inter-VLAN routing. At my previous employment, I used it for inter-VLAN routing - segments for VoIP, LAN, and DMZ. It worked very well and never had a hiccup. Best of all, there is no fee for the community edition, with a new version about every 6 months. There's a subscription service if you want technical support and timely updates. BTW, I don't work for Vyatta, just a happy user of their product. Here are the technical specs from their website: HARDWARE SUPPORT » 32-bit x86 processors » PC architecture INTERFACES » 10/100/1000 Ethernet cards » 10 GbE cards » T1/E1 cards – 1 port » T1/E1 cards – 2 port » T1/E1 cards – 4 port » T3 cards IP AND ROUTING PROTOCOLS » IPv4 » OSPFv2 » BGPv4 » RIPv2 » Static routes IP ADDRESS MANAGEMENT » Static » DHCP server » DHCP client » DHCP relay ENCAPSULATIONS » Ethernet » 802.1Q VLANs » PPP » PPPoE » MLPPP » Frame Relay » HDLC » GRE, IP-in-IP LOAD BALANCING » WAN link load balancing » MLPPP » ECMP QoS » Priority Queuing » Classful Queuing » Bandwidth Management SECURITY » Stateful inspection fi rewall » Network address translation » IPSec VPN » Remote VPN (PPTP, L2TP, IPSec) » DES, 3DES, AES Encryption » MD5 and SHA-1 Authentication » RSA, Diffi e Helman Key Management » NAT Traversal » RADIUS authentication » Individual user accounts and passwords HIGH AVAILABILITY » VRRP (Virtual Router Redundancy Protocol) » IPSec VPN Clustering » Protocol fault isolation ADMINISTRATION » Integrated CLI » Web GUI* » Single confi guration fi le » Telnet » SSHv2 » Network upgrades DEBUGGING AND PACKET SNIFFING » tcpdump » Wireshark packet capture LOGGING AND MONITORING » Syslog » SNMPv2c * Web GUI Available Q3 ‘08 Wilson _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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Startup programs in specific workspaces
by MHR 13 Sep '08

13 Sep '08

I have a specific method of using my five GNOME workspaces to perform certain categories of tasks when I log in on a machine, so I just had a thought. Is there a way to specify, say from a login script, for an application to start up in a particular workspace, preferably with a specific "screen" location? Or is this a gnome question? Thanks. mhr

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Newbies to CentOS List
by Josh Donovan 13 Sep '08

13 Sep '08

Guidelines for CentOS Mailing List posts * Mailing List Etiquette * How To Ask Questions The Smart Way * Quoting Style * Why is Bottom-posting better than Top-posting 1. Please turn off HTML in your e-mail client for these mailing lists. We have several subscribers who read the list with text only readers and they can't easily read html formatted e-mails. There is a place (somewhere) for the flowery stationary and themes that some mail clients offer ... but this is not it. Again, please only post text e-mails to these mailing lists. 2. Please do not top post to the mailing list when replying to a post. (See the Quoting Style link above, and use the Interleaved text method , deleting non-applicable text as required. If you need to reply to a message, and you do not need to post in interleaved mode, please bottom post instead of top posting. 3. Please trim the extra stuff in the email and leave enough to make sense of the thread. Note: There are places to debate the merits of top posting and how it might have some advantages in relation to Interleaved text or bottom posting ... but this is not one of those places. Extracted from http://www.centos.org/modules/tinycontent/index.php?id=16 I added no 3 above. I had not been on this mailing list or others for a while but I thought other newbies would benefit. Thanks, Josh.

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Discuss September 2008