Red Hat :: Duplicating A RHEL 5.1 32bit Server On RHEL 5.4 64 Bit

Dec 9, 2009

I have a database server running RHEL 5.1 32 bit that suffered some catastrophic failures about 6 months ago. We were able to patch it back together and keep it running, but now the manufacturing site it supports is going to shut down for two weeks and I would like to replace it permenantly. Does anyone have any guidance for that sort of thing? I'd like to have the new server up and running before hand, basically changing the hostname/ip and restoring the databases only on conversion day. I've done this in the past with HP UX - Red Hat conversions, but this is my first red hat to red hat move. Any advice or shortcuts?I forgot to add the other wrinkle. The new server will be running 64bit linux.

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Software :: Unable To Boot To RHEL 4 32bit After Installing RHEL 64bit - Error 13: Invalid Or Unsupported Executable Format

Apr 27, 2009

I have 4 partitions in my system, out of which two(sda1, sda2) have windows on them. I have installed RHEL 4 32 - bit on sda3 and after that , installed installed RHEL 64-bit on to a partition sda 5. Now i am unable to boot into RHEL 32-bit. The error i am getting is Error 13: Invalid or unsupported executable format.

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Server :: 32bit Tomcat On 64bit RHEL - Maximum Heapsize?

Jul 20, 2011

I have running 32bit Tomcat on 64bit Redhat machine. What is the maximum Xms Heapsize for 32bit applikation working in 64bit environment. Code: -Xms2048M -Xmx3300M Today I saw that my Tomcat swapping. Seems to bee problem with memory.

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Server :: Edit The Default RHEL CD To Have It Automatically Install RHEL Based Off Of A Kickstart File

Mar 2, 2011

is possible to edited the default RHEL CD to have it automatically install RHEL based off of a kickstart file that I will store locally on the CD. My plan would be to put a cd in a server and have the OS automatically being installed.

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Server :: Configuration Difference Between RHEL 3 To RHEL 5 For Webserver Installations?

Feb 1, 2011

We are planning to migrate our LINUX server from RHEL 3to RHEL 5. What are the configuration difference between RHEL 3 to RHEL 5 for webserver installations?

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Server :: Major Differences Between Rhel 5.2 And Rhel 5.4?

Dec 14, 2010

what are the major differences between rhel 5.2 and rhel 5.4

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General :: Cannot Ping From Host (RHEL 6) To RHEL 5 In (virtual)?

May 1, 2011

can not ping from host (RHEL 6) to RHEL 5 in (virtual)? I have stopped iptables on both machines. But still not able to ping from host machine to virtual.

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Software :: Uninstall RHEL 3 And Install RHEL 9 Without Affecting XP?

Jul 13, 2009

I have RHEL 3 and Win XP Installed in my P.C?I want to uninstall RHEL 3 and install RHEL 9 without affecting can i do this and also where can i download free RHEL 9 version or any other latest linux distribution for free?

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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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General :: Downloading RHEL 5.4 AS From RHEL Website?

Dec 23, 2009

I am trying to download RHEL 5.4 AS version for testing..But under [URL] There is no specific link for AS version or ES version..How can I detect which iso is for AS and which one for ES..? There are separate links for AS and ES version for RHEL 4.x version but why is it not available for RHEL 5.x versions?

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Red Hat :: Install Dmidecode And Procinfo In RHEL 4 / RHEL 3?

Feb 6, 2009

I have RHEL 4, RHEL 3, i need install dmidecode RPM packet and procinfo packet... exist this packets for this linux versions?

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Red Hat / Fedora :: Upgarde RHEL 5.2 To RHEL 5.3 (both 64 Bit)?

May 14, 2010

My current Linux Version:

#more /etc/redhat-release
Red Hat Enterprise Linux Server release 5.2 (Tikanga)

OS Bit is :

#uname -a
Linux <hostname> 2.6.18-128.1.16.el5 #1 SMP Tue Jun 30 06:45:51 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

Now i want to upgrade to RHEL 5.3 (ie)Red Hat Enterprise Linux Server release 5.3 (Tikanga).

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Red Hat / Fedora :: Upgrading RHEL 4.8 To RHEL 5.5?

Nov 3, 2010

Can we upgrade RHEL 4.8 to RHEL 5.5?

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General :: Difference Between Rhel 5 And Rhel 6?

Feb 3, 2011

difference between rhel 5 and rhel 6 - basic difference.

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General :: Upgrade From RHEL 3 To RHEL 5.x?

Nov 18, 2009

i have old RHEL 3 system which has kernel 2.4 installed into it. I wasnt to upgrade it to RHEL 5.x so i downloaded a kernel 2.6 package but was not able to compile it.

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Red Hat :: How To Dual Boot RHEL 5.2 And RHEL 5.4

Sep 25, 2009

Environment:RHEL 5.2 and 5.4 AP x86_64, 2 drives (sda, sdb), installing without optional features like clustering and virtualization. I have tried this for a couple of days now and just can't get it to work. My goal is to take the RHEL 5.2 DVD and RHEL 5.4 DVD and install them on separate drives of the same machine. I want the grub menu to give me a choice. I prefer to understand the steps and choices offered me by the install dialog to do this rather than fiddle with grub.conf. If that is not possible, I will write up the bug.

So far, I just get the the error 13 when trying to start the grub added second OS. I have read elsewhere that "Anaconda frequently recognizes the other operating system and sets up grub so you can boot from either operating system". That would be nice. The install dialog lets me choose a drive to install to. I have figured out that I need to check "review and modify partitioning layout" to enter the advanced grub choices. Do I have it install a boot loader for the 1st OS? Trying to add the 1st OS during the second OS install creates a grub conf with no kernel line in the added boot stanza.

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Red Hat :: VNC With RHEL 5.2 Server

Aug 5, 2009

I have seen and tried a lot of web information about issues with VNC and the RHEL 5.x implementation of VNC.

I can't seem to get the behavior I want. Let me explain.

With SLES 10, I can use YaST and with a few clicks end up with a system that when rebooted, accepts VNC viewer connections to :1 and displays the system login screen.

Here I can log in as root or any user. Once logged in, I can choose to use the command line to restart the system if necessary and eventually, I can reconnect with the vncviewer to the system login screen.

RHEL 5.2 has a "share your desktop" setting in preferences which works fine, but requires that I be logged in locally, which prevents remote restarts. There is also a system services dialog that refuses to start vncserver as a service. There are numerous tutorial in the RH knowledge base and the web that explain how to specifically setup individual displays, :1, :2 for specific users and claim that it can work after boot. I have not been able to get these working, but what I really want is a simpler, single display, :1, that will present the RHEL login screen so I can log in as any user I want. I am the only person accessing these servers and they are behind a firewall using secure protocols when remote.

I think Red Hat did not want to make this too easy as VNC users need to consider the security risks. Is there a way to get the SLES 10 VNC approach to work on RHEL 5?

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Server :: Add New Service On Rhel 5?

Jul 21, 2010

I'm using java socket server program for transaction routing on rhel5. So I make a jar file of server to be run.

Now I need to add my application as a service. I just search in google how to do that, And i found some way and it is bellow,

# chkconfig: 2345 85 15
# description: epic tle
# processname: epictle


I have written simple script (sh) to run jar file and I'm using bellow code for putting it as background

sh /opt/EpicTle/tle/ >/root/.epicline/logs/debug/console.out 2>&1 &

I want to change 'console.out' file per day with date name rather than going with one file

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Server :: Can RHEL Be Installed On NAS/SAN Box

Nov 25, 2010

I have a situation where I want to install various versions of RHEL on removable drive. My first option was a flash drive or an external USB hard disk, but its speed is too slow.Now I have been assigned a task to search for more options about this requirement. If anybody has experience in installing the same, then please share with me.

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Server :: Lpr File Name On RHEL 5?

Dec 23, 2010

When I submit a job via lpr on RHEL 5 using lpr -P MYPRINTER filename and then do a lpstat -t, the actual file name is not listed...just a job identifier e.g MYPRINTER-8 On AIX the lpstat command shows the actual print file name Using -C, -J or -T options in lpr also makes no difference to waht is seen in lpstat

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Server :: RHEL - Clone HDD ?

Mar 4, 2010

Currently my server use SAS 146G 10K. This hdd is in mirror mod. But space in current hdd is not enough. So, my plan is clone current hdd to other SAS 300G 10K.

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Server :: Ssh And Kerberos In RHEL?

Aug 3, 2010

I've my RHEL4u4 integrated with Active Directory.

I can logon to computer with username/passwd from AD.

But if I try to use ssh, is doesn't work

When I try to connect to the same computer using kerberos I receive this messages:

ssh -vv
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: gssapi-with-mic
debug2: we sent a gssapi-with-mic packet, wait for reply


and it tries to use publickey and finally, user/pass.

What do I've have do for using ssh and kerberos? I use samba for joining computer to AD. I tried it in ubuntu 8.04 and likewise-open and it works, but not in RH-Samba.

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Red Hat / Fedora :: Benefits Of Using RHEL 5.5 Instead Of F8 On Server?

Jun 14, 2010

I have to investigate the technical benefits of using RHEL 5.5 instead of Fedora 8 on our servers. So any specific reasons with proper justification?

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Red Hat / Fedora :: Getting Xwindows To Run RHEL Server 6?

May 1, 2011

I downloaded the demo for RHEL Server 6. I'd like to get Xwindows going, but have been thwarted thus far. edit /etc/inittab file and change the value from 3 to 5. That didnt' work. There's an X11 directory with a file called 'prefdm' that has a bunch of code in it that I have no idea what it means. how to get X windows to start?

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Networking :: Clustering RHEL 5.2 Server?

Mar 2, 2010

My current project environment setup is having a single server, running on RHEL 5.2, that is constantly receiving incoming data (video and text) over a periodic interval e.g. every 30 minutes. Initial in-house testing projected the server will be generally busy, so we decided to incorporate a second server for load balancing purposes. So now, server A and B will need to be clustered. Once that is done, incoming data will balance out between the two server (or at least that is what I will like to achieve. Note, I'm aware that at the switch side, I'll need to do some additional configuration and that part is covered).

I've been reading on Red Hat Cluster Suite and the Linux Virtual Server (LVS) seems the way to go. However, I noted that the LVS solution require at least a two-tier solution, and that would incur 3 additional servers instead of just 1. So here's my questions:- I looked around and probably know the answer, but I'm gonna ask anyway. Is there a one-tier solution for LVS i.e. have anyone tried or whether it's even feasible. From my reading, it don't seem so but just want another opinion. Is there any other way for me to do the clustering (for load-balancing) without LVS?

Sidenote: I'm currently looking at Ultra Monkey and will be trying out in a while. However, the project I'm doing would be rolled out to live site eventually, and my customer is kind of....particular. I'm just wondering if there's a software/application (that need to be purchased) and comes with support.

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General :: Set Up RHEL 64-bit As A YUM Proxy Server For 32-bit Also

Aug 26, 2009

Does anyone have an UP TO DATE document, or know how to set up a standard RHEL 4.1.2... 64-bit box to be a YUM Proxy machine? I have found several manuals, all being dated a while ago.

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General :: Connect To MS SQL Server Using C++ In RHEL?

Aug 11, 2011

I am using RHEL 5.I want to connect to ms sql server using c++ Can anyone provide me a step by step instructions to do the same.

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General :: Add This Printer To The RHEL Server?

May 23, 2011

I have been tasked with taking over the new RHEL 5.6 server our company installed. Currently we have a network printer, for general purposes let's say it's called printer1 with ip address of want to add this printer to the RHEL server, do I simply run:lpadmin -p printer1

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Server :: Getting The DDNS Configuration In RHEL 5.2?

May 18, 2011

Friends i got an opertunity to configure ddns in my office.I already configured staic dns in linux, but this is the first time iam configuring ddns.I just configured ddns in rhel 5.2 in my office.So far every thing working fine,dhcp is giving ip address to the clients and both forward and reverse dns database is updating.

1) In windows we can use flushdns and registerdns commands to update the dns database, like this any command is in linux to update client details in dns database?

2)how to restrict multiple client entries keeping in dhcp database.

3)if i change client hostname it is not updating the dns database,it is keeping the old one.

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Server :: Configure One RHEL With DNS And DHCP

Jul 30, 2010

I have installed RHEL 5.1 in VMWare 6 I want to configure one RHEL Server with DNS & DHCP Also I would like to PXE boot, whenever I create a new VMWare Client(RHEL), the installation should be initiated via network boot

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