Software :: 32 Bit - Use HP MC Servicegaurd With RHEL / CentOS On 32 Bit On Intel Machines?

Sep 3, 2010

I just came to know that we can also use HP MC Servicegaurd for clustering in Linux environment too. I did some google but could not found much info about the packages and all. Can I use HP MC Servicegaurd with RHEL/CentOS on 32 Bit Linux on Intel Machines? Is the rpm (or tar ball) of HP MC Servicegaurd freely available? I just wanted to use it for learning purpose.

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CentOS 5 :: Pirut/yum: RHEL 5.1 - Maintain An Unregistered RHEL Box?

Feb 16, 2010

A client has sent me an RHEL 5.1 box for me to do some work on, but it's not registered with Red Hat. This is causing me problems, because it's a minimal installation, and I need some more dev software.My immediate reaction was to install various bits (emacs, and so on) from my Centos 5(.0) DVD.The base RHEL system only had one (disabled) repo entry,so I added a yum DVD repo entry in yum.conf.d.

This looked good to start with, but it doesn't work. Something in RHEL's pirut/yum/rpm/whatever is getting confused, and can't work out what is/isn't installed.

Question - how do you maintain an unregistered RHEL box? Has RH done something to make life difficult? Is my problem simply that I'm using a Centos 5.0 DVD, instead of Centos 5.1? Am I stuck with downloading lots of rpms from the net and doing everything manually? I really don't want to do that.

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Red Hat / Fedora :: RHEL 4.2 Dual Head On Intel 945GM?

Nov 2, 2010

I need help to run dual head (extended mode) on top of the followings.

1. RHEL 4.2
2. graphic card in Intel 945GM chipset

Anyone to guide me the driver and the configuration I should use.

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Hardware :: Wireless Intel 2200bg Is Not Detected In RHEL 5.0?

Jan 8, 2010

what to do for the wireless

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CentOS 5 Server :: Building VMWare Virtual Machines From CentOS Mail Servers?

Oct 12, 2010

I have a few mail servers, a mail log server and a web server running on Centos 5. Now I have a task: to avoid accidental crashes on the production servers while installing updates, my boss asked me to do clones (these clones will all be VMware virtual machines) of the servers (EXCLUDING the actual e-mails and log contents) and then to run those clones on VMWare Server. This way, first I will install and test updates on the clones and - if they will be running without crashes - I will apply the updates on the real production servers themselves.

I have already installed VMWare Server 2.0 I have a few questions: How do I build the virtual machines to exclude the actual mail files and mail logs? Can I use VMware Converter for this purpose, or do I have to use another program? How do I actually do this cloning? Is there a tutorial on how to do this?

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CentOS 5 Server :: Attach Windows Xp Machines To A CentOS DS?

Sep 22, 2011

I'm experimenting with CentOS DS and have a question.Is it possible to attach windows xp machines to a CentOS DS? If so, how?!I think I've skimmed most of the documentation out there. Did I miss something? Is this not what the DS was designed to do?

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CentOS 5 Networking :: Authbind Equivalent - Package For CentOS / RHEL?

Feb 23, 2010

I am trying to see if there is an authbind equivalent or authbind package for CentOS/RHEL? x If so, where can I get more info and download it? It seems to be only available for Debian and Ubuntu.

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CentOS 5 :: Windows AD ACLS Used On Centos/RHEL Directories?

Aug 31, 2010

We are slowly migrating from a predominantly Windows house to a 50/50 Win/RHEL operation and even further in the future.Currently, we have a LOT of Windows folders that are created by custom applications which, upon creation of a new folder set, applies the corresponding ACL so that only the associated groups are able to access the folders. Now for the problem, we are migrating the applications to a RHEL55 environment and it is creating the folders on that system now but the groups are still residing in the Windows AD. Is there an "easy" (I know, a very relative term) to have the Windows groups given permission to the Linux shares without very much manual intervention?

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CentOS 5 Networking :: Can't Connect With Ethernet Card Intel 82801CAM (Centos 5.5)?

Sep 13, 2010

I've installed from the CD the Centos version 5.5. When I try to connect to Internet I can't because I received some errors. I've the Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller also a wireless slot (I've the wireless card DWL-G650+) When I turn on the pc and I go to "Ethernet Device", I see set: peth0 (Intel Corporation 82801CAM (ICH3) PRO/100 VE (LOM) ETHERNET CONTROLLER) and also set "Bind to MAC address": fe:ff:ff:ff:ff:ff I've set manually the IP address (I'm under router). Status is "Active" but can't go on the Net. When I change to "eth0 (Intel EtherExpress/100 driver)...sometimes become "Active" an other times said that the MAC address is different or to check the cable because can't find the IP. What can I do?

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CentOS 5 Hardware :: Hosed Intel DP35DP Centos 5.3 Upgrade?

Jul 10, 2009

I have an intel DP35DP motherboard - ICH9 southbridge - set to AHCI mode. Working fine under 5.2. Yesterday I updated to centos 5.3, and got kernel 2.6.18-128.1.16 and now it can't boot. It hangs trying to read sata1 with DRDY errors and exceptions.So then I installed 5.3 from a DVD onto a new drive, and got kernel 2.6.18-128. This worked, most of the time, but occasionally gave me this error. I then updated my BIOS, and the error went away.Then I updated this new working drive to the latest kernel (yum update again) and got kernel 2.6.18-128.1.16, and now it wont boot again, with the same message.

ata1: failed to read log page 10h (errno=-5)
ata1.00 exception Emask 0x1 SAct 0x1 SErr 0x0 action 0x0
ata1.00: irq_stat 0x40000008
ata1.00: cmd 60/08:00:61:4b:38/00:00:3a:00:00/40 tag 0 ncq 4096 in
ata1.00: status: { DRDY }
ata1.00: revalidation failed (errno=-2)
ata1.00: revalidation failed (errno=-2)

[Code]....

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CentOS 5 Hardware :: Intel S5000Vsa And RAID Driver With Centos 5.4?

Dec 31, 2009

I've a Centos 5.1 server on S5000vsa Intel board with 6 bay HD in raid 1 mode (2 HD), and working fine until I've decide to make a yum update. Today the Centos is 5.4 but seems necesssary to upgrade the megasr driver for the raid function (i.e. , is not possible to contact the raid firmware trought Web Console 2). I've download the last megasr driver from Intel and I follow the instruction to upgrade the driver with s.o. installed, but when I start the server and choose via grub the new img boot file, the display show :

megasr.ko invalid module format -1 and stop. The linux version is the same in the machine (uname -a) and from the driver (2.6.18-164.9.1.el5). Another question : in Intel instruction spoken about megasr.o , but on img file I found a megasr.ko . I think instructions referre to old linux 2.4

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CentOS 5 :: Setup One Of Virtual Machines In VMware?

Jan 14, 2010

I am trying to setup one of my virtual machines in VMware with CentOS 5.2

At the welcome to Centos screen I get the following message ??

an error has occurred - no valid devices were found on which to create new file systems. Please check your hardware for the cause of this problem.

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CentOS 5 Hardware :: Installation CentOS 5.2 On Intel DG41TY?

Mar 18, 2009

I installed centos 5.1 in my system, it installed perfectly, but when I am trying to install centos 5.2 then it is not let me install.

My system has 220 SATA HardDisk Intel Core 2 Duo 4 GB RAM Intel Desktop Board DG41TY when I try to install centos 5.2, it show me menu bar After hit enter key to install centos 5.2, it show me loading usb drive and then showing some strange font. System is hang after this Can you please tell how I install centos 5.2

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CentOS 5 :: Boot Old Centos On Intel D510MO Fails?

Apr 8, 2010

i want to change my server to a intel d510mo withoutchanging the installation.The old nstallation runs on a centos 5.4 asus amd board witha sata raid, sata-sil adapter in no raid modus.and that is the problem.i boot the centos on the intel board, and only the sata-sil module is loaded, so noata drive is found.How can i change this? udev? i disabled the scsi-hostadapter in modprobe.conf, but no

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CentOS 5 :: Use NTPD To Keep The Time Correct On All Of The Virtual Machines?

Jan 27, 2009

I have a server running VMWare Server on it with 4 virtual machines running. I am trying to use NTPD to keep the time correct on all of the virtual machines. On my physical server, I have installed ntpd and this is it's config file:

Quote:# ntpd.conf
tinker panic 0
restrict 127.0.0.1
restrict default kod nomodify notrap
server 0.vmware.pool.ntp.org
server 1.vmware.pool.ntp.org
server 2.vmware.pool.ntp.org

[Code]...

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CentOS 5 :: Create A High Availability Environment Between Two Machines?

Jul 9, 2009

Is there a way to create a high availability environment between two CentOS machines? I don't mean just the HTTP service or just one other thing. I need the entire server synced in real time ready to take over if the next goes down.

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CentOS 5 :: Deploy Patches From System To Windows Machines?

Jan 26, 2010

Does Linux have any patch management software/solution which can distribute the patches to linux and windows clients
OR
is it possible that we can deploy the patches from Linux to windows machines

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CentOS 5 Networking :: Dual Nics - Accessing Machines On WAN / LAN

Feb 23, 2010

My setup is as follows:
eth0 - lan ip
eth1 - WAN ip

I have installed a sip server on the box. From the box I would like to access machines on wan and lan. First of all, is it possible? If yes, I have setup up the nics with default wan gateway. However, when I try to ping wan url, no response. Are there other things I need to do to accomplish this?

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CentOS 5 :: Sending Messages Between Local Network Machines?

Jul 3, 2010

i am using centos 5.4 (5.5?) gnome on multiple machines in a local network.is there a program available that does the following:you type a message in a 'note'screen on one computer and can send it to one (to choose) or all machines in the local network that are online, so you can read the message on these other machines screens.

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Server :: Nagios / NRPE Oddity On Similar CentOS Machines

May 24, 2010

We have Nagios running on a server, and are installing NRPE as a daemon on web servers we need to monitor. I'm two servers in and have hit a small snag. The two servers we're currently trying to monitor are, to the best of our knowledge, very similar (Centos 5.4, Apache, MySQL, PHP etc etc), and the installations of NRPE on them should be the same. One is being monitored just fine, however we can't check on the other one without including the -n switch (to disable SSL) in the check_nrpe call. If we don't, however, the error we get is, "CHECK_NRPE: Socket timeout after 10 seconds.". In /var/log/messages on the machine that fails we see:

May 24 17:23:49 ourserver xinetd[23583]: START: nrpe pid=27932 from=123.123.123.123
May 24 17:23:59 ourserver nrpe[27932]: Could not read request from client, bailing out...
May 24 17:23:59 ourserver xinetd[23583]: EXIT: nrpe status=0 pid=27932 duration=10(sec)
The only kind of related thing I can think of that's different between the two machines is that one (the one that works) has actually had an SSL certificate installed on it, for the site it hosts.

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CentOS 5 Networking :: Gathering Network Usage Of Xen / Virtual Machines?

Jun 23, 2009

I've run into a problem gathering usage for my xen virtual systems. With my old model I used to gather all network usage via my cisco devices using the the counters for each port. Each system had it's own port on the switch, and I tracked network usage accordingly. Now that I'm using xen for virtual systems, and multiple vm's share the same switch port, i'm not exactly sure what my best option is for tracking usage.

I thought I may be able to setup vlans on the switch, and bind each vm to a different vlan using vconfig... but it seems like there has to be a better solution than that.

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CentOS 5 Server :: Virtual Machines - Renaming Libvirt Guest?

Aug 29, 2010

I am new to virtual machines in general, and currently playing with the XEN-based VM in CentOS 5.5. Question: if neither virt-manager nor virsh (using "virsh edit <guest name>" and changing the name in the XML file) are designed to actually change a guest's name...then what is the recommended procedure for doing this?

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CentOS 5 :: Change Virtual Machines Storage Directory In Centos5.5?

Oct 15, 2010

I installed centos 5.5 Ent as host and i installed vmware server 2.2. i need to Change the location of the 'Virtual Machines' directory(/var/lib/vmware/Virtual Machines) to a directory on /home(/home/Virtual Machines) where there is more disk space.Reinstalling centos and reinstalling Vmware server is not the option for me.

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CentOS 5 Hardware :: Moving Centos From Intel To Amd?

Jul 14, 2011

I got a crash on intel machine running intel cpu (CENTOS 5)I would like to know if i can move hdd to new machine with amd cpu? 3 hdd (raid 0 on 2 of them)system is on hdd without raid.

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Server :: Limit On The Number Of Virtual Machines Running On RHES / CentOS XEN?

May 2, 2009

We've been experiencing sudden host server crashes minutes after starting a fourth virtual machine. Our setup looks like:

Dell Poweredge T300
1 x Intel Xeon X3323 Quad Core 2.5 ghz
16 GB Ram
CentOS 5.3 (64 bit)

Server is running a stripped down version of CentOS 5.3 (64-bit), running only the built-in Xen Virtualization Environment. There is no other services running on the server (not samba, httpd, sendmail, cups... nothing except Xen) We've created several virtual machines, and as long as we don't start a fourth virtual machine everything runs smoothly (impresive hardware).

Each virtual server is configured as:

PARAVIRTUALIZED
1 Virtual CPU
1 GB RAM

However, 5 minutes or so after starting a fourth virtual machine, the entire host server crashes and restarts itself. Are we limited by the number of cores on the host machine CPU (4 cores)? 1 for the host and 3 for virtual machines? We've read in forums about other Xen setups running up to 11 virtual machines on less powerful hardware? (a dual core server). Should we be using FULLY VIRTUALIZED virtual machines instead? Is the number of XEN virtual machines in fact limited by the number of cores? If so, how can someone run several virtual machines on a single core host?

By the way, we were replacing a previous Dell Server (Poweredge 2600 with 512 MB Ram and a single Xeon single core processor running Open Virtuozzo). We were able to run up to 16 virtual machines at the same time. Of course none of the machines endured hard work (testing environments, etc). But hey, my point is that we expected to get a much higher number of virtual machines on this new hardware.

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Red Hat :: Diffrence Between RHEL And Centos?

Jan 5, 2010

what is the diffrence between RHEL and Centos. diffrences between support,packges, Xwindow, organization funda, someone say redhat is launch Centos like fedora. but when fedora for beta, RHEL for tested with formal support so why redhat launch this Centos.i get some information from net but not sufficiant for me..

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CentOS 5 :: Cant Compile Gcc 333 In Rhel 5?

Apr 3, 2010

I downloaded src of gcc 3.3.3 and tried to compile in RHEL 5 with the existing gcc 4.1.2.
Got following error

[root@localhost gcc-3.3.3-src]# pwd
/home/nikole/gccmy/gcc-3.3.3-src
[root@localhost gcc-3.3.3-src]# which gcc

[code]....

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General :: Using Centos 4 In Place Of RHEL 4?

Jun 12, 2010

I have a software program that when you try to install it on Centos it returns "This programs requires RHEL 4" Is there a work around to get the software to use the Centos software the same as it would RHEL 4?

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Software :: Hwinfo RPM For RHEL 5 Or Centos 5 /6?

Jul 21, 2011

For a audit script that I use, I need a hwinfo RPM for RHEL 5 or Centos 5/6 that works (Opensuse ones do not work). Is there one which anybody knows about?

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Red Hat :: CentOS 5 / RHEL 5 - YUM Updates Through Proxy?

Nov 28, 2008

I have been trying all day but so far I am unable to configure yum to use a proxy server to retrieve updates.Due a recent compliance mandate direct internet access had to be removed for a pool of our Cent/RHEL servers. I have added the http_proxy environment variable in /etc/profile using:

export http_proxy=http://ourproxy:8080
export ftp_proxy=http://ourproxy:8080
export gopher_proxy=http://ourproxy:8080

I am using the FQDN of the proxy server, and i can ping that FQDN from the CLI without a problem. When I do this and I reboot the server I can get to the internet through the proxy using links/lynx. Yum however stalls out after loading plugins. I have read in a few places that I need a trailing / after the port number above, adding this and rebooting has no effect.

So I tried specifying the yum.conf file... [URL]. When I do this yum still tries to contact the redhat/cent network directly. No behavior change. If I use tcpdump I can see the server I am running yum on try to directly connect without the proxy, which times out for good reason.

The proxy server I am running is squid, but I can see the server I am running yum on blatantly ignore any proxy settings I have tried so far. I am really in a hole on this one as I have to get several updates to fix vulnerabilities found during our last scan.

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