Questions tagged [rhel7]

Red Hat Enterprise Linux version 7 is a Linux distribution sold by Red Hat, Inc. for the enterprise market. It is used for both servers and desktops. Although the binaries are not freely available, the sources are, and so there are numerous projects which provide compatible rebuilds of RHEL, such as CentOS and Scientific Linux.

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13 views

fence_gce is not working as expected on GCP?

I have configured vanilla cluster with fence_gce. stonith_rhnfs01 is on node1 and stonith_rhnfs02 is on node2. Now I bring down node2. The stonith_rhnfs01 was already on node1 & stonith_rhnfs02 ...
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package already installed but rpm -q shows not installed

I have installed package python2-urllib3-1.10.2-7.el7.noarch on my RHEL 7.7 server using yum: yum install python2-urllib3 and it is successfully installed. now when I run rpm -q python2-urllib3 it ...
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Centos7 / NetworkManager - how to reload route files?

How can I reload the running NetworkManager routing configuration from the route-XXX files in a Centos/RHEL7 server? I have a few servers which get routes updated directly via the /etc/sysconfig/...
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redhat repo is not accessible for RHEL 7.6 for sap and RHEL 7.7 for sap (pay-as-you-go) on GCP

Redhat repo is not accessible for RHEL 7.6 for sap and RHEL 7.7 for sap (pay-as-you-go) on GCP. I can understand 403 error. But this should not happen on pay-as-you-go Instance on GCP. Below is the ...
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SELINUX sysadm_u and SSH - Unable to get valid context for username

Once I set user usernameto sysadm_u they are no longer able to login via SSH and receive the error: Unable to get valid context for username Commands semanage login -m -s sysadm_u username semanage ...
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Is it safe to rm /dev/wmi/dell-smbios?

I'm going though the STIG process on a RHEL 7.7 machine and ran across this finding: https://www.stigviewer.com/stig/red_hat_enterprise_linux_7/2018-11-28/finding/V-72039 [root@localhost scripts]# ...
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Configure OpenLDAP Proxy to view entries managed under Active Directory

I am running slapd 2.4.44 on rhel 7.8 and i'd like to configure Open LDAP proxy to be able to view entries that are managed under Active Directory. All of the documentation I've see online says to ...
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RHEL 7.8 - Different behaviors between `service X start` and `systemctl start X`

I'm currently setting up a RHEL 7.8 tomcat service and I'm having trouble with the service and systemctl commands. Context: the following file was set up on /etc/init.d/tomcat: #!/bin/bash # # # ...
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Issues with seamless ssh connect via public key

I am trying to set up a seamless ssh connection from one server to another for the first time. While I think I managed to create a user and fitting rsa keys just fine, I can't actually connect via ssh,...
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Rsync using absolute paths

I have two RHEL 7 servers. On my Source I have the following directories /sourcestuff/testresync /sourcestuff/testresync/incl1 /sourcestuff/testresync/incl1/test1.txt /sourcestuff/testresync/incl2 /...
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Linux kernel process consuming CPU 100%

On my RHEL7 VM, the kernel process migration/[some_number] cpu usage is 100% and continuously getting cpu soft lockup messages on the terminal. PID USER PR NI VIRT RES SHR S %CPU %...
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How to install AWX on RHEL 7 without Docker?

When I follow this guide to install AWX on RHEL without docker: http://yallalabs.com/devops/how-to-install-ansible-awx-without-docker-centos-7-rhel-7/ https://copr.fedorainfracloud.org/coprs/mrmeee/...
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subscription-manager registration failing

i've been trying to register my system using the following: subscription-manager register --username <username> --password <password> using my username and password which in turn returns:...
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How to have local custom domains for local mail server through postfix?

I have postfix in rhel 7.7 and in system I have users such as root, james, peter etc. My FQDN of server is zwados.yutery.com and hostname is zwados. I need to send a mail from here from user root@...
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Is there a way display cn=changelog in Directory Tree of OpenLDAP when exploring with and directory explorer like phpldapadmin?

I have configured my changelog to get logged using this procedure :This tutorial I followed to set up changelog Now I have a ldif that is logging the changelog. But the requirement is to be able to ...
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Tomcat does not shut down correctly with init.d script on system-shutdown - restart prevented

I want to start Apache Tomcat 7 on my Redhat 7 server (RHEL7) automatically at system startup. In order to do that, I did the following steps: creation of the following init.d script and make it ...
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ntp.conf stepout adjustments

I’ve been reading over ntp documentation and I’m not quite sure I’m wrapping my head around ‘stepout’. We have a large environment of Linux VM’s that require ‘tinker panic 0’ to be set. ntp is ...
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RHEL7.7 How do I run “debuginfo-install kernel” when using a local repo that is an iso mounted locally?

I want to use "crash" to look at the kernel core. crash /usr/lib/debug/lib/modules//vmlinux /var/crash//vmcore But /usr/lib/debug/lib is empty and it looks like that directory (debug libraries) is ...
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How to mount an added volume to an instance and how to merge the disks together in OpenStack?

I have one volume in an instance created by OpenStack. | de917e5b-3214-4268-89ef-322a1a3568a0 | volume-myserver0-0 | in-use | 20 | Attached to myserver on /dev/vda | ...
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36 views

How to resize RHEL Atomic logical partition?

We have a VM in AWS that is running Red Hat Enterprise Linux Atomic Host 7.7.3.1. AWS shows this EBS volume attached to it: And the size of the volume is 60 GB: I do not know who set up the VM or ...
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20 views

Not able to access Apache welcome page in Azure

I have an RHEL7 on one of the Azure instance and I have installed httpd there. Now I am trying to access the url, which is like myhostname-eastus.cloudapp.azure.com, but it is timedout. I tried to ...
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How can MS Gothic font be installed on Red Hat Enterprise Linux Server?

I am using xdocreport java library to convert .docx to .pdf, conversion is incorrect because my OS is missing some required fonts (MS Gothic). How can I install it on my OS? It's version is NAME="Red ...
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211 views

Microsoft ADV190023: How to force LDAPS on RHEL 7?

I am working in a company who works with an Active Directory domain, running on Win Server 2016. I have some Linux servers (RHEL6) AD integrated with Samba. I've read Microsoft will release soon an ...
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36 views

Execute a script while boot up in RHEL7, not working

I have created below script in RHEL 7.6, but unfortunately getting EXEC format error. When i execute the command from working directory it's working fine. below is the service file which was created ...
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72 views

Starting MSSQL's SSIS on Linux and making sure it works

I'm trying to connect with SSIS that was installed on MySQL Server (on RHEL 7). It was installed and configured according to documentation. I can connect to server using SSMS (as Database Engine), ...
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44 views

Loopback NFS mount in RHEL

For a long time, NFS loopback mounts were not supported in RHEL 3/4/5 and other enterprise Linux distribution (as SUSE). The cause was a possible, near-unavoidable deadlock when facing memory pressure....
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firewalld: two NICs, two zones. Zone is ignored

I have a server running CentOS/RHEL 7.7 with two network interfaces. These interfaces are configured and work properly. The first interface, ens33, is part of the firewalld "public" zone. All the ...
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109 views

RHEL SELinux: /etc/sysconfig/selinux or /etc/selinux/config?

I am running CentOS Linux release 7.5.1804 (Core), and bumped into the usual set SELinux to Permissive task. But then my two sources gave me two different locations where the config should be set: /...
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28 views

Attempting to recover CentOS7 server. Mounting partition taking a long time

I have a CentOS 7 server that I am attempting to recover. I've got the install disk in the CD drive and am able to make it into the recovery process. Once I make it into the recovery process I select ...
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475 views

Systemd ALWAYS starts my service after 'systemctl stop'

I am running a self-hosted gitea server, managed through a systemd service. However, there is no native way to stop gitea, so I wrote the service file to send a kill -3 signal when I run sudo ...
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631 views

RHEL7.7: version incompatibility between python3 and python3-devel

First off, I'm not too familiar with the RedHat/rpm distro system, being more the Debian type in private. After an update from RHEL7.4 to RHEL7.7 on a server that I find myself administrating at work, ...
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167 views

rsyslog fromhost-ip using external lookup table

Working on a RHEL 7 host, configuring rsyslog to collect udp/tcp events from a wide range of devices (routers, switches, appliances, etc.) from several hundred IP's. Using the config below to start ...
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149 views

The portgroup for Network adapter 1, could not be found

I am trying to run RHCSA Lab on MY VMWare Exsi 6.5. after copied my VM file and I have a warning on VMware Exsi "The portgroup for Network adapter 1, , could not be found.It has been assigned to ...
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111 views

Slow ssh login - dbus connection has not authenticated soon enough

I open this question because I have trouble on two RHEL 7.7 / CentOS7.7 servers. When I try to connect to them via ssh or when I do an su - myuser it takes 30sec to accomplish. When I do su - myuser ...
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pass an anaconda boot option to a kickstart file in rhel7 initial install

Is there a way to pass an anaconda boot option to a kickstart file, where it could be used as a variable. Say anaconda boot cmd is xxxx ip=xxx.xxx.xxx.xxx netmask=255.255.255.0 gateway=xxx.xxx.xxx.1 ...
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62 views

is it possible mix different RHEL OS version in hadoop cluster?

we are using the following HDP cluster with ambari , list of nodes and their RHEL version 3 masters machines ( with namenode & resource manager ) , installed on RHEL 7.2 312 DATA-NODES machines ...
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116 views

How to detect vMotion from linux machine + rhel 7.2

We have a couple of Linux Red Hat virtual machines running on top of the VMware ESXi cluster. We aren't sure is vMotion configured or not. Is it possible to identify if vMotion is configured or ...
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86 views

olcRootDN: no such attribute openldap

I am trying to setup openldap in Red Hat Enterprise Linux Server 7.5 (Maipo) and trying to run this command ldapmodify -Y EXTERNAL -H ldapi:/// -f db.ldif which is end up with the following error ...
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119 views

openldap - cannot connect LDAP Server (-1)

I'm not an expert orvery familiar with LDAP yet but got to setup a LDAP server for a development environment. I followed this document for the initial setup, which went well up to step #3.10 and then ...
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44 views

Apache misconfiguration - config works on apache 2.2 but not 2.4

I have a set of cgi scripts which run on a RHEL 6.x (with Apache 2.2) box fine. There is a cgi-bin directory containing the scripts, plus an index.html (pure html) which serves as a front end to the ...
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Time spent reading disk is confusingly big

As stated in documentation, the fourth field in /proc/diskstats is: Field 4 -- # of milliseconds spent reading This is the total number of milliseconds spent by all reads (as measured from ...
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55 views

RHEL 7 Samba server tied into AD with POSIX attributes

We have a RHEL7 server running Samba which hosts a media library application. We have over 8TB of media files archived on this system. In the past (when we were on RHEL5) we had Samba configured to ...
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21 views

At a loss for getting an EL7 machine back on the network after rebooting

I have a CentOS 7 machine at my office that I can't for the life of me get connected to my network after rebooting it. It was previously using a fully automatic configuration with DHCP and working ...
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255 views

How to control a service from Linux pacemaker cluster?

I have set a two node cluster on two RHEL7 virtual machines. I'm using pacemaker as my HA management software. I creates one resource for VIP and another resource for a shared FS. VIP and FS resources ...
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1answer
627 views

Kong won't connect to PostgreSQL

I'm not using Docker. I've installed PostgreSQL 11 and created a user kong that owns a database kong. On the same linux box I've installed Kong, and am trying to get it to connect to the DB using ...
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1answer
74 views

Firewalld Error while install steam on RHEL7

I run: sudo yum install steam then I got this error: file /usr/lib/firewalld/services/steam-streaming.xml from install of steam-1.0.0.61-2.el7.i686 conflicts with file from package firewalld-0.6.3-...
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128 views

Should I install RHEL8 or RHEL7?

I've installed RHEL8 and I'm having some problems with it. There is no Epel-release for RHEL8 and when you install EPEL-7, your package manager becomes broken. I was wondering if RHEL7 is still alive? ...
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208 views

Apache Reverse Proxy Configuration not Working with Location /#/

I am trying to get an apache 2.4 reverse proxy (RHEL 7.7) working with an application that has hard coded paths making my reverse proxy configuration quite challenging. This serverfault link (How to ...
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79 views

Can we install community(centos/any rpm) packages on RHEL

I know this question has many forms but still, I believe that the context has not been addressed properly or there is a confusion in it. We have installed docker-ce on one of our vendor's RHEL 7 ...
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271 views

KVM RHEL 7.5 ,offline external snapshot taken but not able to merge now the disk with existing disk

KVM and qemu RPM info :- [root@shirish_rhel ~]# rpm -qa | grep -i qemu qemu-kvm-common-1.5.3-167.el7.x86_64 qemu-img-1.5.3-167.el7.x86_64 ipxe-roms-qemu-20180825-2.git133f4c.el7.noarch libvirt-...

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