Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.

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Update a Red Hat repo with no packages

I'm attempting to install a handful of packages on my RHEL 5.10 (Tikanga) server, however I'm prevented from doing this because of an installed repo with zero packages. When I do yum repolist, it ...
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97 views

CentOS how to update Ant Version to 1.8.x and higher?

I'm using CentOS v6.5 and installed Ant by using: yum install ant But it came with Ant version 1.7.1. And i need the latest Ant version 1.8.0. How to properly get the latest Ant version 1.8.x (or ...
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34 views

How to disable PAE feature of kernel, after installation?

I am using RHEL 5.3(x86) as a base platform for my development purpose.My machine's spec is as follows: Intel, Core-i3 Processor @ 2.5GHz 4GB RAM Problem is whenever I am attempting to install the ...
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138 views

Problems installing Oracle 11g XE in Fedora 20 - No apex access, not network access [closed]

I need to setup a temporary Oracle XE database on a virtual machine to work as a server, so I choose Feroda as Oracle mainly support RedHat. So, this is what I did: a) Downloaded newest version of ...
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1answer
94 views

Differences between %pre and %post in Kickstart on CentOS?

I have been setting up machines with Kickstart on CentOS and I am unsure about the differences between the %pre and %post sections of the kickstart .cfg file. The CentOS Documentation for the ...
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76 views

Segmentation fault (core dumped) when try to run iptables rhel6

Im currently trying to set up a mySQL replication and i dont have a /etc/sysconfig/iptables. So I tried to install it with yum install. It showed the following output. Installed Packages Name ...
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1answer
41 views

obsoleted package breaks yum install of older JBoss

I need to install an older version of JBoss. 6.1.0 EAP is what has been approved and supported for my application. So when I try to force install the correct version of the jbossas packages the ...
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20 views

What is the correct repository to add for `debuginfo-install glibc` for RHEL 6?

I am trying to install debug-info for glibc on RHEL 6. The closest instructions I could find for adding the repository is at the answer to this question. However, that question is about CentOS, which ...
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1answer
57 views

Create service from command [closed]

I have following command which I try to setup to run on startup: su -l hive -c "nohup hive --service metastore > /var/log/hive/hive.out 2> /var/log/hive/hive.log &" I was thinking about ...
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1answer
59 views

Do VmPeak & VmHWM have any measurement periods?

While reading kernel documentation I came across VmPeak & VmHWM, and it's a bit unclear to me. VmPeak in /proc/<pid>/status is described to be peak virtual memory size. Peak for what ...
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45 views

File IO very slow on RHEL6

I recently moved to RHEL6 santaigo OS. I am finding the file io operations like copy, file download taking a long time. This was not the case when I have used RHEL5 earlier. Could anyone suggest a ...
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64 views

gcc too old in red hat?

I use Red Hat Enterprise in my school and I want to compile some c++11 code but the gcc --version is 4.4.7 which is not compatible. Is that one the latest version in the red hat repositories? is there ...
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83 views

Difference between txqueuelen and ethtool tx

What's the difference between the txqueuelen setting that can be applied with either: ifconfig eth4 txqueuelen 5000 ip link set eth4 txqueuelen 5000 And the tx ring size setting that can be applied ...
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25 views

system boot appears in last but not in /var/log/messages

I am looking after a Red Hat Enterprise Linux 5.4 server. A user sent me a copy of the output from the last command and it shows multiple reboots on different days (there is no visible pattern to the ...
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1answer
46 views

Sendmail relay to dmz to another relay

We have two domains. One of which is isolated. We're trying to forward mail from one domain, through a DMZ to a relay on the other domain. Using EHLO through telnet works. Using the mail command and ...
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2answers
52 views

How To Locate Dependencies Needed by RPM Packages

I am trying to deal with keeping our RHEL 5 server patched up, but also dealing with our security constraints. This particular server is not allowed to talk to the Internet. So yum isn't really an ...
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3answers
61 views

Running commands on startup on a Red Hat server

I have a Red Hat server instance on AWS that I'm trying to make a nice AMI image of so I can test specific instance machine types with Apache Bench (ab). I'm currently just trying to create the OS ...
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1answer
36 views

How to configure DHCP so that hostname is not sent?

A simialr question Host name on terminal changes when I connect internet : why? But since it was not resolved in my case so I am putting it here and asking in a different way. The answer given here ...
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1answer
49 views

Location of dhclient.conf

I need to check the client DHCP settings, which I expect to be in the file /etc/dhcp/dhclient.conf, but there is no such files there. What is the location of this file in RHEL 6, on 64 bit?
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1answer
42 views

allowing users to access certain ports on server

I have an RHEL 6 system which has 20 users. I have 20 ports on which separate versions of a service is running. I want user a to access port a, but not other ports. Is there a way to do this? ...
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3answers
52 views

Why does `make install` not produce an rpm?

A little Preface: I'm unable to copy+paste between my Windows PC and a Linux machine that I'm viewing through VNC Viewer and yes the Share Clipboard option is enabled in VNC Settings. Thus I came ...
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462 views

telnet: connect to address 127.0.0.1: Connection refused

I am using RHEL 6.0 and when i type the given command in terminal telnet 127.0.0.1 6000 I am getting output as: Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused Why ...
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29 views

SNMPV3 traps are not being captured correctly

I have configured master agent (snmpd.conf/snmptrapd.conf) of SNMPv5.5 on RHEL6.3 server to support SNMPV3 traps, but when I try to generate a snmptrap and capture the trace through tcpdump, I still ...
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2answers
30 views

RPM specfile for C/C++ project: how do I know how to fill in Requires and BuildRequires fields?

I have several C/C++ projects with sources and makefiles and I'm trying to pack them into rpms. Defining the dependencies for the created packages has become a problem for me. Concretely I need to ...
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33 views

How do i block USB devices based on device class in Linux

Problem Statement In windows server to provide access to USB devices are managed by GFI EndpointSecurity. Is there any open source tool in Linux which can do the same job. I want to block USB ...
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1answer
48 views

What problems should I expect when adding a CentOS yum repository to RHEL?

I've added the CentOS 6 Updates yum repository to my RHEL 6.4 machine. That's because RHEL doesn't ship with the php-snmp package - and the easiest one to find is on the CentOS site. Anyways, this ...
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1answer
73 views

different checksum of original file and copied file

I am running a script that copy a file from one location to other. In script I am calculating MD5sum using below command of original file and copied file and they are different: echo -n "file" | ...
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34 views

MBR to GPT Conversion of existing RHEL 6 system

I have got RHEL 6 running on MBR (Master Boot Record), management is done using fdisk and parted commands. I would like to know the steps or procedure to convert existing system to GPT (GUID Partition ...
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21 views

RHEL6: Failed Dependencies when installing a package

Hi I'm getting errors when forcing to install unixODBC package on RHEL 6 here is the following error: http://flic.kr/p/jBEFvP I don't know where to get the following packages that were needed by the ...
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1answer
67 views

cat file to multicast

I have a text file (test.txt) which represents captured network data. The actual protocol is text-based, with NULL line endings, so this isn't a problem. I need to run this test captured data ...
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1answer
45 views

Similar to solaries prstart -t command in linux

What is a similar command in Linux for the command from Solaris: prstat -t I am interested to get user vice resource consumption (i.e. memory and processor). It gives NPROC UserName SWAP RSS ...
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50 views

How to recover missing Grub File

On my test system. I was doing some testing and i move the grub.conf file from /boot/grub/ to /opt/ And on boot black screen came as expected with just grub> written on it. I tried to solve it using ...
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78 views

Distro for high end video editing

Which distro would be most suited for maximizing hardware to perform expensive video editing and optimize resources. I followed up with optimizing resources, as in some cases one operation may not be ...
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14 views

KVM Desktop Client cannot connect to www server

I have a KVM test set up on a workstation. All the instances are using macvtap and a bridge. I can access the web server running on the KVM from a physically separate machine by IP address or DNS ...
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2answers
172 views

How do I know that my rpm installation of a package was succesful?

I downloaded the rpm for dos2unix and installed (on RHEL 6, 64 bit) like this [root@xilinx Downloads]# rpm -ivh dos2unix-5.3.3-5.ram0.98.src.rpm 1:dos2unix warning: user mockbuild ...
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1answer
120 views

unable to search and install dos2unix pakage

I have RHEL 6 , 64 bit OS. I need to istall dos2unix for this version. I could not find rpm file for RHEL 6 86_64 bit , so I tried like this: [root@xilinx acme]# yum search dos2unix Loaded plugins: ...
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1answer
167 views

Error updating firefox: Error: Package: xulrunner-last-26.0-2.el6.remi.x86_64 (remi)

This is my first time with RHEL. I am using RHEL 6, 64 bit. I want to update Firefox, so I downloaded firefos for 64 bit. Here are the files I got: [root@xilinx firefox]# ls application.ini ...
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105 views

Why is yum not installing my softwares on RHEL 6 ?

I am trying to install avr-gcc using yum on a RHEL 6. But I get this error. [root@xilinx etc]# yum install avr-gcc Loaded plugins: refresh-packagekit, rhnplugin There was an error parsing the RHN ...
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56 views

How to get back a lost session in RHEL : Using NoMachine

I logged in remotely to RHEL using NoMachine. Suddenly it got stuck and I have to close the NoMachine client. When I logged in again using NoMachine I can't see the old session (I can't see same ...
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1answer
176 views

Uninstall JDK rpm to reinstall

Where do I find the JDK install to uninstall? @terdon had explained using an rpm type download so it would be easier to uninstall, but I cannot find it.
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68 views

Permanently enable scl for RHEL6 RedHat

RedHat provides a way to install packages with newer versions of packages than officially supported with Software Collections. After the installation of a software collection it is necessary to enable ...
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1answer
30 views

why debian repository does not contain lokkit?

I was using lokkit in redhat, and I want to use it in debian, but it seems that debian doesn't contain it...
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1answer
71 views

How do I reset RHEL6 to autocreate home directory upon login?

I am using a RHEL6 host that is set up using LDAP for authenication. Upon first login it is supposed to create the home directory for the user (e.g. /home/gisle where gisle is my login username). I ...
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1answer
56 views

Replacement for TCT's pcat utility [duplicate]

I am looking for a utility to dump the memory of a running process that I can then examine for strings. In the past I have used pcat from The Coroner's Toolkit, but I am having a hard time finding a ...
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73 views

CheckInstall on CentOS

I am attempting to make CheckInstall on a clean version of CentOS however I am having difficulty, I receive the following error: [root@host checkinstall-1.6.2]# make for file in ...
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1answer
351 views

yum installs an old version of cmake

For some reason when I run yum to get cmake it will install an older version. Could it be because my repo list is not complete? I'm on CentOS 6 using a minimal desktop install from the non-net install ...
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3answers
51 views

Yum not working

When I try to execute yum I get this: My guess is I need to start the Ethernet connection because I cant ping and this is what what we do with SL6. I'm new to CentOS that is why I ask. I've ...
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3answers
412 views

Installing Git, Curl, and Expat from Source

I have a RHEL 6.4 VM provisioned by my companies internal KVM. We are having some trouble using yum (Cannot retrieve repository metadata, which Ive confirmed in this case is peculiar to my company's ...
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1answer
91 views

Automatic login still doesn't work after editing custom.conf

As the title suggests, I've edited /etc/gdm/custom.conf to show the following: [daemon] AutomaticLoginEnable=true AutomaticLogin=username Where username is obviously the username I'd like to ...
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1answer
213 views

Movie Player requires additional plugins to decode this file

I'm using RHEL 6 .Newbie to Linux. I'm unable to play the video using Movie Player. It shows an error, Movie Player requires additional plugins to decode this file. The following plugins are required ...