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Browse the latest published and updated knowledgebaseMaster Index: Oracle Database (Standalone & RAC) on OpenShift Virtualization (OCP-V)
This Article serves as a centralized index for tested and supported configurations, performance validations, and reference architectures for running Oracle Database workloads on OpenShift Virtualization.
What are the Red Hat Ceph Storage releases and corresponding Ceph package versions?
- What are the Red Hat Ceph Storage releases and corresponding Ceph package versions?- What are the Ceph enterprise versions?- Ceph- Ceph enterprise versions
How to avoid repository synchronization timeouts in RHUI 5.3
**Important:** This content is no longer relevant because RHUI 5.3 has been respun to include the additional changes. See the updated RHUI 5.3 release notes instead. The article will be retired. *Original content:* RHUI 5.3 increases the `sock_read_timeout` parameter to allow repositories containing very large packages to synchronize in certain locations. However, it has been observed that this change alone may not be sufficient. In addition, large packages in repositories using the on-demand sync policy can not be downloaded by RHUI client VMs due to a timeout either, and the download continues above 100%. Red Hat aims to fully resolve this issue in RHUI 5.3.1 or 5.4 at the latest. This solution article contains instructions on how to patch RHUA nodes running version 5.3. **Note:** RHUI 5.x may contain a solution different from the one presented here, which is intended as a hotfix.
realmd 'realm permit' command fails with "does not match the login format" when permitting users from a trusted Active Directory domain
* When attempting to restrict or permit login access for a user or group belonging to a trusted AD domain using the realm permit command, it fails with: ~~~ # realm permit user@trusted-domain.com See: journalctl REALMD_OPERATION=r306573.148004 realm: Couldn't change permitted logins: Invalid login argument ';user@trusted-domain.com' does not match the login format. ~~~ * SSSD resolves the trusted user perfectly. Commands such as id user@trusted-domain.com or getent passwd user@trusted-domain.com succeed and return the correct UID, GID, and AD groups. * The local system is joined to a child subdomain or specific realm, and the user to be permitted belongs to the parent domain or a sister trusted domain.
gnome-terminal ignores nofile limit from /etc/security/limits.d/*
- User login from GUI- Open gnome-terminal- Check with `ulimit-n`, nofile limit from /etc/security/limits.d/* are not applied.- Switch user by `su- user`, nofile limit from /etc/security/limits.d/* are applied.
Reloading systemd and restarting a service concurrently may cause systemd to abort and exit.
* The `podman.service` was constantly restaring due to failure and coincidentally a reload of systemd was executed, which then caused systemd to crash.
Will EAP 8.2 support Jarkarta EE 11 or EE 10?
- Does Red Hat plan to support Jakarta EE 11 or EE 10 in EAP 8.2?- Will Red Hat ship EAP 8.2 with Hibernate 7?
Temporary mismatch between sticky session and actual processing instance in JBoss EAP session clustering
* In the session clustering environment, the instance name checked via Developer Tools differs from the instance name actually writing the access logs. * Does this indicate a temporary failure in Sticky Session routing, causing requests to be forwarded to an unexpected node?
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Solve specific problems that has been raised with Red HatThe 'satellite-maintain service status' command shows dynflow-sidekiq@orchestrator.s...
- The `dynflow-sidekiq@orchestrator.service` shows the **FAIL** state when listing the **Red Hat Satellite** core service with the `satellite-maintain service status` command on the Satellite host. - Unable to start dynflow-sidekiq@orchestrator.service with satellite-maintain service in Red Hat Satellite 6.
How to increase open files limits in RHOCP 4
- There are some cases when an increase of open files limits is needed. The open files limits is 1048576 by default in RHEL8 based RHCOS builds. In RHEL9 RHCOS builds the default limit was [changed](https://github.com/cri-o/cri-o/issues/7703) to 1024:524288
OpenShift Agent-Based (Assisted) Installer failing - Hosts not validated
- OpenShift Agent-Based (Assisted) Installer is failing with "Hosts not validated"
Articles
Technical briefs, reference architectures, and early stages of documentationVmcore analysis techniques
Tips and tricks used to figure out what caused a system to panic.
Red Hat Case Management - Attachment Service API Guide
This document is the API usage guide for the Red Hat Case Management Attachment Service. It covers authentication, upload (single part and multipart up to 5 TB), download, deletion, status tracking, and metadata listing for file attachments on Red Hat support cases. The intended audience is developers and integration engineers building clients that interact with the attachment APIs at `https://api.access.redhat.com/support`.
Uninstalling an OpenShift cluster
Should you need to uninstall an openshift cluster, here are the general instructions for uninstalling a cluster.
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