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Browse the latest published and updated knowledgebaseOCP4: UDP NodePort traffic from a single sender is silently dropped on an OpenShift node while other senders work
- One specific sender's UDP traffic to a NodePort never reaches the backend pod. Other senders to the same NodePort work. The same sender works on other NodePorts.- The problem often starts aft...
Configure OCP OAuth server authentication as SSO in RHACS in RHOCP 4
- How to integrate OCP OAuth service with ACS for single-sign-on?- How to use OpenShift Container Platform OAuth server as an identity provider?
Systemd shutdown fails to set the Intel TCO watchdog timeout to 10 minutes, resulting in a kernel panic on RHEL9.8
- A system running RHEL-9.8 with kernel `5.14.0-687.31.1.el9_8` or later and the Intel TCO watchdog enabled may encounter a kernel panic during a normal reboot or shutdown.- The ...
OpenShift GitOps (Argo CD) Swagger UI and OpenAPI schema accessible without authentication
* The Argo CD /swagger-ui and /swagger.json endpoints exposed through the openshift gitops route are accessible without authentication. This allows unauthenticated users to browse the API schema and...
[RHOSP17] Glance Image List/Save Fails or Slow due to connection to Ceph backend
* Glance CLI commands such as `openstack image list` or `openstack image save` are extremely slow (taking 4–5 minutes) or fail to complete when downloading or listing large images stored in the *Cep...
Master Article - ipa-healthcheck fails with "Certificate in NSS DB does not match entry in LDAP"
* ipa-healthcheck fails with "Certificate in NSS DB does not match entry in LDAP"
OCP4: Custom Annotations applied to EgressIP objects are removed automatically
- EgressIP objects with custom annotations are observed to have the value replaced/removed after some time: ~~~ apiVersion: v1 items:- apiVersion: k8s.ovn.org/v1 kind: EgressIP metadata: annotations...
ReaR fails to unmount the OUTPUT_URL mount point with message "ERROR: Unmounting ... failed." or ISO is not bootable on UEFI systems
- When executing `rear-v mkbackup` or `rear-v mkrescue`, the following error message is seen after ISO image got created ~~~ ERROR: Unmounting ';/tmp/rear.XzSmvu4oN6LDDr...
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Solve specific problems that has been raised with Red HatSSSD logs warning "ldap_sudo_search_base is not set" on Red Hat Enterprise Linux.
* After updating packages on a Red Hat Enterprise Linux 9 system, the SSSD service logs the following warning message on startup sssd_be[...]: `ldap_sudo_search_base` is not set. SSSD wil...
leapp preupgrade outputs error on Converted from CentOS7 to RHEL7 system "Unable to ...
- leapp preupgrade outputs error on converted from `CentOS Linux 7` to `RHEL 7` system "Unable to identify package providing the booted kernel." ~~~ Risk Factor: high (error) Title: Una...
The sshd service failed to start due to syntax error with exit status 255.
- When restarting or starting the sshd service, sshd service fails to start with 'sshd.service: Main process exited, code=exited, status=255/n/a' ~~~ # systemctl restart sshd Job for ss...
Articles
Technical briefs, reference architectures, and early stages of documentationSatellite 6 Component Versions
Satellite 6 is composed of many upstream projects. These tables provide the versions which were available at GA time for each version of Satellite 6.
Logging sftp commands
This article covers possibilities how to log sftp commands in different configuration environments across Red Hat Enterprise Linux (RHEL) products. It is possible to achieve different results for dif...
Red Hat Enterprise Linux 9 Extended Update Support (EUS) and Enhanced Extended Updat...
Red Hat Enterprise Linux 9 Extended Update Support (EUS) and Enhanced Extended Update Support (Enhanced EUS) Frequently Asked Questions.
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