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Questions tagged [rhel8]

Enterprise Linux distribution released by Red Hat in 2019 and supported through 2029

145 questions
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Module RPMs makes kickstart installation of RHEL based distributions unusable

The title of the post has it all. The first steps to migrate from CentOS 7 to Rocky Linux 8 fail (in my eyes) because of module RPMs. If something is installed the traditional way via dnf, dnf notices if a dependency is only available as a modular…
Volker Raschek
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GSSAPI Error: KDC has no support for encryption type on RHEL 8 joined to multi-domain AD forest

I have a simple MS ADDS multi-domain forest setup with a parent domain and one sub-domain. I joined a RHEL 8 server successfully to the sub-domain by using this official documentation. All OSs have been setup by using as much defaults as possible. I…
stackprotector
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Ansible Automation Platform - Changing 'Control Plane Execution Environment'

I have a Ansible Automation Platform 2.1.0 installation on RHEL8. I have some jobs failing due to an incorrect Registry/image entry for the 'Control Plane Execution Environment'. I am able to replace the incorrect entry in the image field for all of…
CobyCode
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DNF Enable/Disable in Puppet

I'm trying to get PHP 7.4 installed on my RHEL 8 system with Puppet, but can't get the package declaration right to disable php and enable php:7.4 with dnf. The Puppet Package documentation doesn't describe well, and I wasn't able to learn anything…
user2857108
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How to prevent changes of GRUB_ENABLE_BLSCFG in /etc/default/grub

With Rocky Linux 8.4 (clone of RHEL 8.4) in /etc/default/grub I have GRUB_ENABLE_BLSCFG=false A “dnf update” that included grub2-tools changed it back to GRUB_ENABLE_BLSCFG=true Is there some way to prevent this from happening in future grub2-tools…
cen2rocky
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RHEL8: Does NFS I/O count as part of "%iowait" calculations?

Customer telling us that they see high %iowait in top and iostat output on a busy RHEL8 NFS client. iostat man page clearly says that iowait is related to % of time kernel is waiting on "disk" I/O Question - does NFS I/O count as "disk" I/O in…
arainchi
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How to remove warning about "System not registered - please register to enable updates and addons" on Red Hat 8?

I'm using a RHEL 8.2 system and don't wish to register the system, but I do want to stop getting this annoying notification. Similar to this question asked several years ago, except that while the accepted solution works on my rhel7.6 builds, it…
ASTassociate
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Create selinux context for systemd script?

I'm trying to create a systemd service that executes a custom script I wrote. It is just a backup script that I am using with a systemd timer. When I try to execute something simple in the systemd file like "/usr/bin/free" or something like that,…
user615862
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Squid Proxy unable to start with custom config file in RHEL8, but works in Amazon Linux

Basically I am just following this guide from AWS, but this guide uses Amazon Linux, but I need to use RHEL 8. I tested in Amazon linux, and it works fine. In RHEL8 also, Squid is able to start with the default config file that comes with the…
screenslaver
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Unable to install RHEL 8 on older hardware

My office is looking to upgrade the OS on some of our small servers from RHEL 6 to RHEL 8. We're a pretty small operation and we have a few RHEL servers running on some older bare metal hardware that we use for our file server and a handful of other…
ngrusz1
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How to install Mysql 5.6 on RHEL8 from Mysql repos?

I'm new to dnf, so this is probably obvious to someone. I did check versionlock and checked for any exclude lines in any of the /etc/yum.repos.d files. But, when I have any other repos enabled, I cannot find mysql server to install. I can try to…
Max Allan
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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 Metadata Areas 3 Metadata Sequence No 7 …
michal roesler
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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 whole machine gets very unresponsive, to the point…
francisaugusto
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Swap disk devices in RHEL 8

I need to swap a couple of disk devices around on a RHEL 8 server because it's unfortunately going to be problematic to rebuild it and I need the devices in a specific order. I think the following udev rules used to work in RHEL 6, but then that…
DirkG
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AlmaLinux 9/RHEL and nftables : Keep getting "type filter hook input priority filter" at chain

Good day to all! First of all, i have to say i'm a Linux novice and new to StackExchange so i hope i'm asking my question the right way. I would like to use nftables as firewall on a new AlmaLinux installation (v9.1, minimal install, headless…
HenkH
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