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

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Install compat-libstdc++-33.i686 on Red Hat Enterprise Linux Server release 6.5 (Santiago)

I need to install compat-libstdc++-33.i686 on a Red Hat Enterprise Linux Server release 6.5 (Santiago) without a Red Hat Network Subscription. Is there some where that I can download the required .rpm ...
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2answers
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Using DD Disk Image on Red Hat

How can I use dd command on a Linux Red Hat Server 5 to obtain a disk image and then use it eventually in Virtual Box?
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rhel - file modification logs

I found a strange file in my /home/user named FireZeMissiles1111.tmp. I am the sole user and did not create it, so it is kind of suspicious. It may have been left there by a program who's programmer ...
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3answers
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Change directory working directory in shell script

I am trying to write a simple shell script, which will change the directory to the shell script directory and echo it. This is the script: #!/bin/bash # cd '/explicit/path/to/script' cd $(dirname ...
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Red Hat 7 KickStarter

I've made my own KickStarter with the official KickStarter generator from RedHat. But now I can't find out how I can run it. It is a .dms file.
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1answer
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rhel repositories with gstreamer-plugins-ugly

What yum repository provides gstreamer-plugins-ugly (or/and other gstreamer plugins) for Red Hat Linux 6? And do repositories for CentOS and Fedora suit for Red Hat? Reason of this question is that ...
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yum + list all available security updates without installing them, on redhat 5?

To list all available security updates without installing them, I run this and this syntax is working on redhat 6 and 7 # yum list-security --security please advice what is the syntax for redhat ...
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1answer
33 views

Why is yum replacing '$' with '%24'? [on hold]

rhel6.7 yum is replacing a $ in a repository URL with a %24. I've verified that the URL is correct in /etc/yum.repos.d/mongodb-org-3.2.repo. ...
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1answer
25 views

RHEL 6 filesystem

I'm reading about RHEL 6 and getting confused about a knowledge check. It tells me that not to use a computer to give an answer for this but the question is on a RHEL 6 system, mount /dev/sda12 ...
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15 views

Linux cluster file system issues [on hold]

Redhat linux cluster GFS 2 mount is of size 1 TB but winscp is showing size of the directory as 101 TB. what could be the reason? RHEL 6.6, 4 node cluster
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Linux + what are the steps use the oldest kernel version in place of the current

I have Linux red-hat 5 version I want to reboot the machine with the previous kernel - 2.6.18-408.el5 so I set the default to 1 but before I will reboot the machine to startup with the older kernel ...
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Installing g++ on RHEL 6.4

I'm trying to install g++ using the following commands: yum install g++ yum install gcc-c++ but terminal throwing below error: Loaded plugins: product-id, refresh-packagekit, security, ...
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30 views

How to verify if an rpm was installed from scratch or upgraded?

Today, we installed the following rpm's via yum on redhat version 5 # rpm -qa --last | head -10 kernel-headers-2.6.18-408.el5 Wed May 18 13:33:59 2016 ...
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17 views

automatically install jdk when you install the server application in rpmbuild

I'm trying to do my rpm containing configured server wildfly together with the application. I'm trying to make RPM contains the JDK. The file below is only an indication of the required element. Is it ...
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0answers
15 views

Using mail spool file for an entry in /etc/aliases gives errors in EL7

For years (with EL6 and before), I have successfully used entries like this in my /etc/aliases file: bugs: /var/spool/mail/bugs The idea being mail to a non-user can be shoved into a file for ...
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38 views

How to remove all old kernels except the two latest

The following command deletes all kernels except the latest: package-cleanup --oldkernels --count=1 Does the following command delete all but the two latest kernels? package-cleanup ...
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14 views

fatal error: limits.h: No such file or directory Theano and anaconda

I have issues with theano. Indeed I have access to a High Performance Computing server with an old version of gcc (4.4.6), python (2.6) and kernel (2.6.32). The issue is that I need to run a python ...
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25 views

Linux cannot create new partition (no sector available) How to resolve it? [closed]

I have installed in my laptop VMware workstation in that VMware workstation I installed RedHat server. While installing time i took 20gb space afterwards I am creating partitions. In that already 2 ...
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36 views

Zabbix web install Redhat conflicts php

I am trying to install Zabbix on redhat 7 64bit. The zabbix server installed successfully with command yum install zabbix-server-mysql But I am getting conflicts with php70u with php56u when I tried ...
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1answer
29 views

Redirect output of: yum repolist all

If you run the command: yum repolist all you will see there are basically four columns of data. repo id, repo name, status, install count. If however your run something like: yum repolist all > ...
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1answer
24 views

RHEL 7 PXE boot & install ends up with emergency mode shell

Trying to PXE boot and install RHEL 7.2, however it always end up with dracut:/# prompt. .... systemd: Mounted Configuration File System. dracut-initqueue: RTNETLINK answers: File exists ...
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2answers
49 views

How to verify if Java is installed on rhel

I stood up rhel VM. I was curious if JDK is installed or not so that I ran a command from a shell (bash). whereis java It returned: java: /usr/bin/java So I navigated to the path in order to ...
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2answers
31 views

at login on RHEL switch shell to bash [duplicate]

Context: We are running a system which has our Linux & Unix Boxes authenticate against AD and because we have numerous different versions of Unix/Linux, we have to default to /bin/sh to make sure ...
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4answers
60 views

yum + how to remove unused rpm/patch on linux redhat

I am using yum to install a patch update on my RedHat Linux machine, Is it possible to use yum on different way in order to uninstall unused rpms/patches? My goal is to remove the unnecessary ...
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RHEL 6 no sound, but volume settings shows 100%

My sound worked perfectly on my Thinkpad T430, but ~3 days ago an update (?) came, and from than, the sound icon from the GNOME-panel dissapeared. I already tried a reboot, no luck. I tried using ...
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22 views

Understanding Iptables rules to prevent DDoS

Following IPTables rules exist on my system as some preventive measures against DDoS attacks -A INPUT -s 255.0.0.0/8 -j LOG --log-prefix "Spoofed source IP" -A INPUT -s 255.0.0.0/8 -j DROP -A INPUT ...
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1answer
25 views

Why is procmail hanging?

I have a goofy sendmail aliases.local file set up to pass emails to procmail. This is a set up that was working on ancient Solaris systems. Now I am running it on a RHEL6 system: # cat ...
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7 views

LAMP server Installation - httpd, mysql are 'unrecognized services'

I recently installed Bitnami LAMP server to have apache, mysql and php on my server with redhat 6.7. The installation was fine, I can see httpd and mysql processes; even the wget from localhost ...
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43 views

RHEL: GNOME - Is it possible to change Shell theme?

I have tried to change the gnome-shell-theme on RHEL, but whenever I try it GNOME crashes and the system just disables all the shell extensions installed. So, I was wondering if there is something ...
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1answer
20 views

Now visudo won't work at all

RHEL 5.10 When I do visudo I get this error: chuck 75->visudo visudo: /etc/sudoers: Permission denied visudo: /etc/sudoers: Permission denied Listing of sudo exe file and /etc/sudoers: chuck ...
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1answer
31 views

RHEL How to login as different user from shell?

Redhat Enterprise Linux 5.10 (No we can't upgrade.) This is related to my other question. I would like to be able to login as another user, like 'tina', so I can test her sudoer permissions. My ...
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22 views

Linux red-hat + kernel patch update

I need to run the yum update on my Linux redHat machine during the yum update , I sow that yum perform some patch kernel update therefore I little worry to perform a reboot , because the patches of ...
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Restored Volume Group but No LV inside

I created Volume group on 2TB ISCSI Block device . And on that I created Volume group and added the entry in fstab with options _netdev. But after reboot it didn't come online. What happened and ...
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YUM: updating repo's GPG key

Haven't found the answer for this in docs: how often Yum refreshes the GPG key of a repo, if it was obtained from the net? For instance, I've got this repo config: [myrepo] name=myrepo ...
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System not pinging after running `rescan-scsi-bus.sh -r`

I am having a system on which multipath is enabled. I recently replaced a SCSI device and in order to remove old entries, I executed rescan-scsi-bus.sh -r. Now the server is not getting pinged. I ...
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2answers
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Send command output to screen and syslog

I'm trying to send the output of a command to our syslog and this is what I have so far. #!/bin/bash log() { logger -s -t $(basename $0) "$@" } /bin/echo "test" 2>&1 | (log) and this ...
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1answer
63 views

Unable to boot after updating the kernel rhel 6.7

I am having a Red Hat 6.7 running on VM which I updated with the latest version kernel-2.6.32-573.26.1.el6.x86_64. but after this update I received the below error: kernel panic-not syncing: VFS: ...
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RHUI 2.1 Error Downloading the repo

We are facing this error on RHUI when downloading the repo. unable to find any solution on Red Hat site there is one link which guides us to edit some file for proxy settings. but we done have any ...
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1answer
23 views

custom shutdown script in rc6.d does not seem to be working.

I'm working with a software application that's a bit touchy so I wan't to shut the software down automatically on reboot or shutdown. I have created a script an placed it in /etc/init.d/ with a ...
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32 views

awk + how to manipulate awk output

The following awk command prints the results from services file # awk '{print $2}' /etc/services 48002/tcp 48002/udp 48003/tcp How can I manipulate the output so it prints the "service file" ...
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how can I install centos 7 inside RHEL5

I am badly in need to install one software torch 7 in a GPU hardware node. This GPU node is running licensed RHEL5 version. Unfortunately torch 7 software doesn't support any RHEL version(I feel). It ...
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1answer
27 views

compiling rpm 4.11 for RHEL5

I am trying to compile rpm 4.11.2 on RHEL 5 machine. When I do ./configure it gives error . . checking for nspr.h... yes checking nss.h usability... yes checking nss.h ...
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15 views

Prevent loop device partitions from being detected

I'm moving a work project from RHEL 6 (Kernel 2.6.32) to RHEL 7 (Kernel 3.10.0). The project involves the building of a raw disk image files to be used on virtual machines, these are representative ...
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1answer
18 views

AIX lquerypv equivalent in Linux (RHEL/Cent OS)

In AIX we can view raw data of hdisk by issuing following comamand lquerypv -h /dev/hdisk0 This displays data in hexa decimal format. More of like hex editor. What is the equivalent command in ...
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1answer
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Linux + iptables fallback

I want to enable the routing VIA tcp from port 770 to port 7714 iptables -t nat -A PREROUTING -p tcp --dport 770 -j REDIRECT --to-ports 7714 . so I get the following: iptables --table nat --list ...
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RedHat:how to make system read /etc/sysconfig/clock settings without restarting system

In legacy red hat enterprise linux system which do not provide hwclock, I am changing UTC value in /etc/sysconfig/clock and when I check in /etc/adjtime this value is not reflected with expected ...
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1answer
19 views

White-list certain binaries and scripts inside a noexec/nosuid mount?

Just like the question. Is it possible to white-list certain executables from a noexec mounted FS? for instance, mine looks like this: /dev/vg/lv on /tmp type ext4 (rw,noexec,nosuid)
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1answer
49 views

egrep doesn't work as expected on SunOS system

Here is what I want to achieve on SunOS: Only pattern like [text_text=text], [text=text], [text] or text are valid patterns, where by text I mean anything in 0-9,a-z,A-Z, space, newline, tab, enter. ...
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1answer
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set swap space to 0 on RHEL for testing

I have tried to change the swappiness to 100, and used the malloc() code in order to set the swap to 0 on my rhel system But this not seem to be helpful . The system memory allocation looks like this ...
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2answers
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Is firewalld the same as iptables?

I tried to close iptables on RHEL 7.2 using chkconfig iptables off error reading information on service iptables: No such file or directory tried /etc/init.d/iptables stop too, got ...