Questions tagged [redhat]

Red Hat is an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and services, and the JBoss Enterprise Middleware Suite. Please also consider whether or not the more specific RHEL5 or 6 tags might be appropriate as well.

Filter by
Sorted by
Tagged with
0 votes
1 answer
227 views

Firewalld is not working,. port open but I can't reach from other server

I got a wildfly 9 server on REHEL 7 with ports http=4070. Then I executed the following instructions: [root@linux]# firewall-cmd --add-port=4070/tcp --permanent Warning: ALREADY_ENABLED: 4070:tcp ...
user3637971's user avatar
0 votes
1 answer
99 views

CRI-O Pulling Image From AWS ECR: Failed to pull image, authentication required

Unable to pull an image from AWS ECR with the following error from Kubernetes using CRI-O as Container Runtime Interface. Failed to pull image "<aws_account_id>.dkr.ecr.<region-name>....
Steven's user avatar
  • 375
0 votes
1 answer
115 views

Unable to Connect To Repo Server On Local Network

I currently have two VMs: node1 (192.168.55.201) repos (192.168.55.203) I'm trying to set up node1 so that it can retrieve packages from the repo server. I currently have the AppStream repo, and ...
hi_xavier's user avatar
0 votes
0 answers
352 views

package containerd.io >= 1.6.4 needed by docker-ce but package containerd.io already with version 1.6.9-3.1

we want to install docker packages on our RHEL 8.4 server (this is off line installation since machine not connected to network) so we download the following rpm's from the site - https://download....
King David's user avatar
1 vote
1 answer
673 views

a stop job is running for /dev/mapper/name (xxxs / no limit

running rhel 8.8, all of sudden the systems will not reboot properly. The console show the message a stop job is running for /dev/mapper/name (xxxs / no limit) This device is a luks container ...
natxo asenjo's user avatar
  • 5,819
0 votes
3 answers
1k views

Unable to Install Kubelet, Kubeadm Because It Requires Later Version of Cri-Tools

-1 I am taking a Coursera class for CKA Prep and as part of that we are provisioning an instance of a node on Amazon EC2, installing the container runtime (which is containerd in this case) and now I ...
Rasputin's user avatar
0 votes
0 answers
37 views

Installing PHP 7.3 on RHEL 7 - Angular/PHP files don't process

I've been tasked with setting up an old application on a RHEL 7 server. It has an Angular front-end (I'm unsure of the version, but it's old) with a PHP backend. However, in the browser console I can ...
DysonC's user avatar
  • 1
0 votes
0 answers
128 views

Create Azure Red hat template with custom LVM partitions

I want to prepare Azure template for Red Hat 8 servers with packer and I'm facing problem with setting custom LVM partitions. For example, I want separate /var/tmp, /var/log etc. I deployed some VMs ...
matix324's user avatar
0 votes
1 answer
58 views

Map dev notation to logical volume name

I need to figure out what dm-2 or dm-0, etc. is (this notation is found in dmesg notices, sysstat reports, etc.) and lsblk is not installed I find lvdisplay output a little bit confusing. Can someone ...
VGS's user avatar
  • 28
0 votes
0 answers
42 views

initiatorname.iscsi is overwritten

I use RHEL 8.8 on my machines. I run the following command: echo InitiatorName=$(/sbin/iscsi-iname) > /etc/iscsi/initiatorname.iscsi It sets correctly the name. But after some time file is set to ...
user148468's user avatar
0 votes
0 answers
73 views

Azure RHEL 8 VM - Apache 2.4 Package Availabilty

I've got a RHEL 8.8 instance in Azure. This instance will replace our current RHEL 7.9 instance running Apache 2.4.34. The RHEL 7.9 instance has the following httpd package installed: httpd24-httpd. ...
jrd1989's user avatar
  • 688
0 votes
1 answer
269 views

Networkmanager nmtui static IP/ external IP / public IP address

For long time try to setup my external IP address on centos7,rocky on with "Networkmanager" but its working only with systemd-networkd. Found some solution and use systemd-networkd but now ...
user956584's user avatar
0 votes
1 answer
526 views

Installing find command in a docker container running RHEL 8

I am running a docker container of image: confluentinc/confluent-local:7.4.1 It is based on Redhat 8.8 How do I install find command in the container? I tried running: $ yum update and got this ...
user674669's user avatar
0 votes
0 answers
263 views

How to install samba client on ubi9 docker image?

I'm building a docker image for a quarkus app using the Red Hat ubi9 openjdk17 image. I am trying to install samba and samba-client using microdnf install samba-client but I'm getting this error: ...
ceid1987's user avatar
0 votes
0 answers
193 views

Can't manage to update a subscribed RHEL Server 6.0

So I'm running a Virtual RHEL Server 6.0 as a lab server (Hosted on Hyper-V) to remember and practice. I managed to RPM install subscription-manager package since RHN Classic is no longer up. To get ...
Carlos Pérez's user avatar
0 votes
0 answers
128 views

SSSD LDAP CONFIGURATION

I am trying to configure ldap on port 636 on a redhat server. Right now, when I try the following command : netstat -antup | grep -i 636 I get tcp 0 132 IP_ADDRESS_1:40670 XX.XX.XX.XX:...
el sparrow's user avatar
1 vote
0 answers
110 views

OpenSSL issue with Rancher/Kubernetes cluster on RHEL 8

So we are working on setting up a big Rancher/Kubernetes cluster on a bunch of RHEL 8 servers. We have everything installed and have Rancher running on a 3 node cluster behind a load balancer. The ...
shagrat861's user avatar
0 votes
1 answer
101 views

Does VM machine can replace physical machine,

We have 254 Physical servers when all machines are DELL servers R740. servers are part of Hadoop cluster. most of them are holding HDFS filesystem and data node & node manager services, part of ...
King David's user avatar
0 votes
2 answers
447 views

Postfix smtpd_sender_restrictions with logical AND

I am using postfix, I need to configure sender based restrictions so nobody that is not authenticated & not part of mynetworks can send mail through this server, this is my smptd sender ...
csx4's user avatar
  • 101
0 votes
0 answers
91 views

Apache Basic authentication based on AuthUserFile is ignored, when mod_auth_radius.c is enabled

I hope you can help me with my problem. I initially had a vhost config with Basic Authentication with "AuthUserFile" which works fine. Now I wanted to use Radius for certain sites and ...
matrix154's user avatar
3 votes
1 answer
694 views

Cross domain authentication with transitive forest trust for linux

I have two domains -- one for dev and one for corp. I can join a Windows machine to the dev domain and login as a corp user because of the transitive forest trust. I can join a Linux machine to the ...
witchkinkofAngmar's user avatar
0 votes
0 answers
203 views

What is the difference between "Ignore" and "Disabled" of network setup during RHEL 9 installation?

I am setting up RHEL 9 server and want to disable IPv6 because my network does not support IPv6 routing. When setting up connection, I have 2 options "Ignore" or "Disabled" and ...
maruume's user avatar
0 votes
0 answers
59 views

Red Hat Booth Ticket Issue

I am following this guide to implement booth ticket. I have two clusters with 2 nodes in each and 1 arbitrator node on centos 7 hosted on google vm. The prerequisite for having booth ticket is both ...
S S's user avatar
  • 51
0 votes
0 answers
62 views

what is the preffered configuration of NIC for Kafka - team or bond configuration?

We have 22 Kafka brokers physical machines (DELL HW) that should be finally installed as production Kafka cluster. when OS should be RHEL 7.9 version we are not sure about - TEAM vs BOND for Kafka ...
King David's user avatar
5 votes
3 answers
2k views

What are the options to monitoring page cache usage?

In essence the Page Cache is a part of Virtual File System (VFS) which main purpose, as you can guess, is improving IO latency of read and write operations. In computing, a page cache, sometimes also ...
King David's user avatar
1 vote
1 answer
110 views

nftables chain priority not working

So I have two input chains, input and dyn which is dynamically generated. However the rules of dyn just don't work because of input. I've tried setting the priority of input to 1, and the dyn to 0 ...
Nikk's user avatar
  • 239
1 vote
0 answers
40 views

Is Centos 7 affected by changes (June 2023) to RHEL source access?

In the last week Red Hat announced changes to source code access which is through to make is difficult (impossible?) for downstream rebuilds of RHEL to exist. Red Hat later clarified that that was ...
Jim OHalloran's user avatar
0 votes
0 answers
40 views

Stop samba share from unmounting at signoff WinServ22

I am trying to find a way to map a drive so that it will not unmount when I sign out of the system. I currently have a backup job running from the SQL management console and it is aimed at a samba ...
dusty_gazingaz's user avatar
0 votes
1 answer
579 views

Sizing and moving /var/log to meet DISA STIG

RHEL 8 DISA has a requirement that /var/log must be on a separate partition. The finding is due to that the main partition might fill up. I am trying to harden VMs in an Azure Cloud Environment. Since ...
baw's user avatar
  • 3
1 vote
2 answers
146 views

How does the variable "pxe_default_server" get set in Red Hat 7.9?

We have a RHEL 7.9 server that is acting as a DHCP/TFTP (PXE) server servicing multiple subnets. Below is a copy of our dhcpd.conf file (the DHCP/PXE server is X.Y.145.98): allow bootp; allow booting; ...
phydeauxman's user avatar
0 votes
0 answers
210 views

How to submit certificate request from Red Hat machine to Windows CA?

I’m looking for solution, which helps me send certificate request from domain-joined RedHat Enterprise Linux machine to Certification Authority on Windows Sever 2022. Is there any solution to do this? ...
amperek's user avatar
0 votes
0 answers
199 views

Red Hat Enterprise v8.6 - Air gapped updates from an internet connected RHEL box

Firstly, hi to everyone as this is my first post. I am not a Linux expert so could I please ask that if anyone kindly responds to this question that it is in a way that a newbie like me can understand ...
Duncan Smith's user avatar
0 votes
1 answer
667 views

Red Hat 8: Is 'mod_ssl' missing in official repositories?

I currently configure a Webserver with SSL certificate on a Red Hat 8 machine. I could not run properly apachectl configtest returning Invalid command 'SSLCertificateFile', perhaps misspelled or ...
Yann's user avatar
  • 25
0 votes
1 answer
72 views

Apache authentication via sql in fedora/rhel/almalinux/rocky linux

on fedora I installed apache and mysql, I created the user with certain privileges and I populated the database, but I can't connect apache with sql. Can anyone help me on how to do it? I've tried ...
Belbo's user avatar
  • 1
0 votes
1 answer
547 views

Check if software is installed based rpm package name - Rhel 7 and Rhel 9

I have one Rhel7 and one Rhel9 server running in my local lab. When I'm listing all the installed packages uring rpm -qa | grep -i package I get following result: Package-12.2.5.-1.x86_64 The name of ...
N. J's user avatar
  • 125
0 votes
1 answer
1k views

How can I increase entropy in a Rhel 9.1 virtual machine running on Azure with the Rhel image hardened by the Centre for Internet Security?

I am having trouble running Solr 9.2 on the above virtual machine (Rhel9.1 on Azure, image from CIS). The problem is low entropy as seen in the logs below: Started Apache Solr 9. Java 17 detected. ...
Obirieni Simeo's user avatar
0 votes
0 answers
239 views

Redhat Linux 8.5: Upgrading to OpenSSH 9.2 sees '/bin/bash: Permission denied' with root login

After successfully make-installed OpenSSH from source followed detailed instructions from a post of online community (version checked ok), only to see /bin/bash: Permission denied at root login. ...
Xiaoyu Zou's user avatar
0 votes
1 answer
315 views

yum unable to find a specific package in private repo

I have a really weird problem. I've setup my private yum repo, it is serving the rpm just fine, EXCEPT one rpm. Let's say I've build and copied over all of my rpms to my custom repo directory, ...
codenamezero's user avatar
0 votes
0 answers
199 views

BIND 9 XML Statistics-channels build modification after server is already up and running

Migrating away from BIND9 to Route53 and would prefer not to use the named.stats file for monitoring activity during the migration period. As such, I checked the current named.conf and verified no ...
humbleStrength's user avatar
-1 votes
1 answer
97 views

How do I set up a godaddy hosting server

A client has contacted me, requesting to deploy a custom solution (python API and a react application) to his GoDaddy server. I successfully established SSH connection (which was hell, I had to enable ...
Dimitar Veljanovski's user avatar
1 vote
2 answers
3k views

how to delete a xfs file system from logical volume (lvm2), to achieve the goal being this logical volume without any file system?

I have LVM RedHat 8 intall and there's one Volume Group there. Fri May 19 [michal@Ora2 ~]$ sudo vgdisplay --- Volume group --- VG Name ol System ID Format lvm2 ...
michal roesler's user avatar
0 votes
1 answer
204 views

kernel messages are complained about memory.inspite all DIMM cards was replaced

we have few DELL machines ( with RHEL 7.6) , and as we replaced the DIMM cards on machines because the Erros that we seen from kernel messages after some time we checked again the kernel messages and ...
King David's user avatar
0 votes
0 answers
45 views

Routing decision after IPSec processing

I have a Linux box running in AWS EC2 with just one interface - eht0. This interface connected to private subnet 172.16.0.0 and has an IP 10.95.114.69 on it. All hosts from subnet are reachable from ...
Kirill Nikitin's user avatar
0 votes
2 answers
393 views

Use original linux user bashrc also as root user

I extended the bashrc file of my linux user. This file contains extra aliases, functions, whatever is useful. It's synchronized with a playbook across our 100+ servers. When i'm working on linux I ...
ansible_usah's user avatar
2 votes
0 answers
419 views

Change UID in influxdb Docker container when running in Kubernetes

When mounting persistent storage for influxdb container the NFS storage ownership is changed to uid 1000 when container is run. Need to have a known RHEL host user (2000) have ownership of the file ...
Ken E's user avatar
  • 21
0 votes
0 answers
675 views

RHEL 9 server with cloned disk unable to find logical volume after boot

We have an RHEL 9 server. We cloned it's disk drive to a new disk. (dd if=/dev/olddrive of=/dev/newdrive bs=4096) It has a couple LVM partitions (as shown on /etc/fstab on the cloned disk): However ...
ServerMan's user avatar
7 votes
3 answers
4k views

Is there a good way to allow non-root users to mount arbitrary external USB drives on Linux?

We have a situation where a site office has a couple of Rocky Linux 8 servers and regularly receives large amounts of data from clients. Data arrives on a variety of external USB hard drives and the ...
bolind's user avatar
  • 201
1 vote
0 answers
50 views

NFSv4: machine gets unresponsive when share is accessed without ticket

We are implementing NFSv4_kerberos for mounting of home directories on a RHEL 9 machine. The think is that if a user has a cronjob that writes to the mounted homedir after the ticket expiration, the ...
francisaugusto's user avatar
1 vote
2 answers
103 views

iSCSI shared disks with custom device name on clients

I'm using RHEL 7.9 (Maipo) and need to setup for all iSCSI clients the same device name, like /dev/sdb or /dev/thiscustomname. I could do that by sharing the source disk using multipath, but for Db2 ...
adamitj's user avatar
  • 115
0 votes
0 answers
49 views

Script to scan log file

I have a log file with the content below. Let's call it as cpu_usage.out: 2023-04-12 12:04: CPU STATISTICS CRITICAL : USED:- 2.52% IDLE:- 97.49%|CpuUsed=2.52;0;1 CpuIdle=97.49;0;1 2023-04-12 12:05: ...
Diligent Bug's user avatar

1
2
3 4 5
66