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

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Red Hat no package realmd available

I would like to use AD authentication with a RHEL server using realmd and SSSD. I tried installing realmd using yum install realmd but I get the following message: Loaded plugins: product-id, ...
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1answer
33 views

Disable VGA port via GRUB in Linux

I want to disable VGA port of my hardware by making changes in the GRUB. How can I do this? I am using Red Hat.
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15 views

How to use display in RedHat as I install linux in command mode without GNOME

I have installed RedHat on Oracle Virtual box in basic command mode.I don't want to install GNOME as it will take more RAM. I want to install oracle 11g on that so I need display. Then how can I see ...
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3answers
3k views

Automate DISA STIG controls for RHEL/CentOS?

I am deploying systems that must be configured using the Red Hat 6 (v1r2) Security Technical Implementation Guide(STIG) published by the Defense Information Systems Agency (DISA). Link to site. I've ...
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2answers
9k views

Why don't I get a Gnome GUI when I install Red Hat?

I'm trying to install Red Hat on my Windows system but Im facing a problem. I get only one option during installation which is "Minimal" and even if I check Gnome desktop in customize options, I only ...
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1answer
18 views

Use SSH on RedHat installed on Oracle Virtual box

I have installed Oracle Virtual Box and RedHat on it. Can I use SSH or PuTTy from my local PC (Windows 7) to access RedHat locally? If yes then what will I enter in field of Host name? And if no then ...
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1answer
17 views

Enabling FIPS on a luks encrypted CentOS system breaks boot password

For one of my apps I need to enable FIPS for OpenSSL, while simultaneously using software disk encryption. VM #1 I launched a CentOS VM instance which was software encrypted during install. The ...
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0answers
13 views

RedHat cluster with rgmanager or pacemaker as resource manager on Oracle VirtualBox

I'm learning RedHat cluster and I have setup a 3 node cluster (Centos 6.7), corosync, cman and rgmanager on Oracle VirtualBox version 5.x. The cluster is working fine (the clustat commmand shows that ...
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2answers
914 views

Installation of Pacemaker Corosync on RHEL Server 6.6

I was trying to install Corosync and Cman using yum install -y pacemaker cman pcs ccs resource-agents This works fine on CentOS 6.3. Tried the same on Redhat Enterprise Linux Server 6.6 and ran ...
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0answers
19 views

Maintain 32 and 64 bits version of rpm

let me explain this a little bit, I am in charge of update part of our company product from 32 to 64 bits. At the end, we should have a 64bits kernel + 32bits applications + some 64bits ...
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3answers
200 views

How to identify if a direcory is created by System or a root user?

How to identify if a directory is created by Linux system and by user like root. Example: in /etc there is a directory named sys which is created by Linux. And I logged in using root and created the ...
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1answer
19 views

RHEL6 No protocol specified, can't open display

I got this when I try to open nco_event in RHEL 6.3 [netcool@noi bin64]$ nco_event& [1] 19962 [netcool@noi bin64]$ No protocol specified Fatal Error: ...
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1answer
950 views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...
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2answers
33 views

Install a specific RHEL point release

Is there a way to effectively yum update to a specific point release in RHEL 5 and 6? When a new point release is rolled out, the powers that be in my organisation put it through acceptance testing, ...
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2answers
3k views

How to reduce buffers\cache

A monitoring system keeps alerting that my machine is reaching\breaking through it's RAM utilization threshold which is 15 GBs. I've done some reading and understood that the apparent RAM utilization ...
1
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1answer
56 views

RHEL6 + Error: xz compression not available

When installing packages via yum on a RHEL Server 6.6 system, I get the following error: $ sudo yum install foo Loaded plugins: product-id, rhnplugin, security, subscription-manager This system is ...
1
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1answer
26 views

usermod always reports user does not exist on RHEL 6.6

My RHEL 6.6 VM is running behind Centrify Active Directory. When I do sudo id 'any_existing_user' it will give back info about that user. But when I do sudo usermod -c 'Comments' ...
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1answer
585 views

GDM will not start on boot, unable to login into graphical interface

I am running RHEL 5.8 . SELinux is enabled but in permissive mode. Here are some snippets from /var/log/messages on boot. kernel: type=1400 audit(1360613500.551:6): avc: denied { write } for ...
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4answers
17k views

Why SSH takes a long time to Connect

I have noticed that some Linux Servers in Network takes long time to connect using ssh. Situations: There are two situations I have faced: On some servers some times it takes a long time to ask ...
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1answer
47 views

NFS change ownership issue

We are accessing NFS mounts across three hosts. The issue for us is that when we change the ownership of a directory on NFS mount on the server, the ownership changes are not taking place on the ...
22
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6answers
19k views

Open a RPM on a Mac?

I am on a MacBook Pro running Apple Leopard (Mac OS X 10.5.8). I would like to unpackage a RPM and view the files contained within the wget-1.11.4-2.el5_4.1.src.rpm . I don't need to install the ...
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1answer
45 views

How to make boot output verbose?

I use to enjoy watching my red hat then debian then ubuntu machine boot, the boot process was not hidden from my view, now it is, in most of all distros, now, I know I can somehow connect a terminal ...
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1answer
15 views

Can I make sure history logs all execution?

Please forgive the ambiguous nature of this question but I was wondering if there's a way to make sure that all commands executed by some host are logged into history. In my case, if I send a command ...
1
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1answer
373 views

Is there any sound enhancer/equalizer for Linuxes that are not Ubuntu?

I am looking for a systemwide audio equalizer for Debian, Gentoo or Red Hat Enterprise Linux, i.e. an audio equalizer that filters the entire signal that is sent to the audio chipset, something ...
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8answers
54k views

How to boot Linux to command-line mode instead of GUI?

I am using 32-bit Red Hat Linux in my VM. I want to boot it to command-line mode, not to GUI mode. I know that from there I can switch to GUI mode using startx command. How do I switch back to ...
2
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2answers
29 views

How do I turn a local yum repository into a local satellite for many other repositories

I am not sure I am asking this question in the best way. I am doing my best to ask it in the clearest way possible. I would like to build a local (to my cluster) yum repository server such that I ...
2
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2answers
1k 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 ...
2
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1answer
949 views

Unable to add eth0 in Rhel 7

I am unable to find eth0 in RHEL 7 after just installation. Even I created the eth0 inside the /etc/sysconfig/network-scripts/ directory. After created eth0 inside the network-scripts, I am unable to ...
3
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2answers
839 views

Authconfig contiously rewriting the /etc/sysconfig/authconfig file, messing up Puppet run

I have been using this LDAP module for a long time in my Puppet environment. The module uploads these files to the RHEL-servers: /etc/openldap/openldap.conf /etc/pam_ldap.conf /etc/nsswitch.conf ...
4
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1answer
82 views

Make one VNC server appear as two displays in RHEL

I have a VNC server running in virtual mode in RHEL and I am viewing it on a PC which has two screens. I can make the server use both of my screens by setting the resolution large enough: xrandr -s ...
2
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2answers
62 views

is a script, program being run under current shell or child shell?

I am confused with regards to the following - if i execute a script or run a program in the current shell by typing on its name 1st) it search in the $PATH variable, to find the location of the ...
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0answers
22 views

How do I add modules, binaries or scripts to initramfs in RHEL distributions?

I have an initramfs script I developed for Debian distributions that required some extra binaries to be loaded into the image. I'm now trying to port this to RHEL distributions and I'm struggling. To ...
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1answer
44 views

RHEL 6.6 Cluster - Waiting for Quorum Timed-out

I'm trying to set up RHEL Cluster. Everything is fine (well, not at all). I'm using 2 nodes, and 1 quorum (LUN). When I start both cman services at the same time, it's fine. Cluster is up, every ...
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0answers
19 views

What are the steps to migrate from GRUB to GRUB2?

I have a fresh installation of Scientific Linux6/RHEL6/CentOS6: I have /boot with boot loader and / with all else (which are sda1 and sda2 partitions of one hard drive, on a fresh, real system). I ...
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2answers
16k 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 ...
2
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3answers
85 views

Installing Postfix conflicts with MySQL-server package

I had to install MySQL Server community on our server (team lead did not want MariaDB due to support or something). Therefor I removed MariaDB which in turn also removed Postfix. Now I need to ...
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1answer
17 views

What are the values for VLAN_NAME_TYPE when setting up a VLAN interface on Linux

When creating network interface files in /etc/sysconfig/networ-scripts/ on RHEL/CentOS servers, what are the different values for VLAN_NAME_TYPE and what do they mean?
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1answer
7 views

use custom intltool installed in home directory?

OK, I would never do this on a system that I was running, but I'm having to build on a server that I don't administer. To test out how to do I have a "dummy" project that I'm trying to build on the ...
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0answers
42 views

Tomcat 7 not producing log output to catalina.out on RHEL7

I have a RHEL7 server with Apache Tomcat 7.0 installed and after a recent update to RHEL7.1 all of the logging to ${catalina.base}/logs/catalina.out was stopped. However i am receiving the logs inside ...
0
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1answer
1k views

Init script to run a script as specific user

/apps/data/service/bin/startup.sh This is the script i want to be executed during RHEL booting. I want it to be run in runlevel 3 only. And i want this script to be started as specific user, ...
2
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1answer
94 views

yum-builddep building the dependencies from source

My current way of building packages from srpm: cd ~/rpmbuild/SRPMS yumdownloader --source $p sudo yum-builddep *.src.rpm if some build deps not found, repeat the above steps for each of them ...
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1answer
1k views

Install RHEL 5.7S on machine with 4TB disks

I'm getting errors about GPT when installing OS using kickstart. The Dell R720 has 8x 600GB SAS. I can't figure out what to configure in BIOS and kickstart file. In BIOS, there're boot options of ...
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1answer
24 views

“sort -h” not working in Redhat 5.9. Any way to upgrade it?

I'm trying to sort the folders disk usage in human readable format in RHEL 5.9. I mounted the drive as NFS in Cent OS 6.4, where sort -h option works fine. But in RHEL 5.9, it throws error as ...
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0answers
16 views

Upgrade python from 2.4 to 2.6 on RHEL 5.7

Currently We have 2.4.3-56.el5 version of python installed on RHEL 5.7. Need to install nodejs for which the python version should be upgraded to python26. I have downloaded the below rpms: ...
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1answer
846 views

CHROOT: Unable to copy files to jailed users directory from local machine using WINSCP

I've setup a chroot environment for one of my users called client on my system. I'm using WINSCP to connect to my server from my machine using public key authentication. Everything works fine, I can ...
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1answer
18 views

Need clarification on apache reload

I need to do a /etc/init.d/httpd reload on my production server running httpd. Was wondering if after doing the configuration changes if there is some configuration glitch and we do a reload , will ...
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2answers
655 views

RPM command stuck/FREEZE when installing RPM file

I want to install the following rpm from some reason RPM is stuck or freeze and not install the RPM package also I cant stop it by control C , please advice what could be the problem ? root]# rpm ...
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2answers
1k views

How to uninstall vmware-tools-foundation

So I am having lots of problems with this: Warning: RPMDB altered outside of yum. ** Found 21 pre-existing rpmdb problem(s), 'yum check' output follows: ...
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1answer
910 views

zerombr and clearpart not working in RHEL7

I've been using the following simple partitioning scheme to setup some RedHat machines. zerombr clearpart --all --initlabel bootloader --location=mbr autopart The unfortunate part is that I know ...
2
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1answer
4k views

RHEL 6.4: Openssl 1.0.0-27 libcrypto and libssl missing

I am trying to install znc IRC bouncer, which needs openssl libraries: Error: Package: znc-1.4-1.el6.x86_64 (epel) Requires: libcrypto.so.10(libcrypto.so.10)(64bit) Error: Package: ...