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Chapter 2. September 2025
2.1. Product-wide updates
2.1.1. Published blogs and resources
- Video: 3 essential things to know about Red Hat Lightspeed planning by Scott McCarty (Sept 9, 2025).
- Resource Update: Red Hat Lightspeed API cheat sheet update by Jerome Marc (Sept 2025).
2.2. Red Hat Enterprise Linux updates
2.2.1. General
Red Hat Lightspeed API cheat sheet updated
The Red Hat Lightspeed API Cheatsheet has been updated with expanded coverage, improved clarity, and new resources to help you make the most of the Red Hat Lightspeed API. Important changes include:
- Added example for retrieving a list of affected hosts in a compliance report (Compliance section).
- Clarified support for using multiple filter queries when working with hosts.
- Added a note about the 15-minute expiration for authentication access tokens.
- Highlighted the base endpoint (previously only mentioned in the introduction).
- Introduced a Verify your setup section after authentication.
- Added an example for filtering inventory by tag(s).
- Renamed the Patch section to Content advisories.
- Updated Python and Ansible examples to use access token authentication (service accounts).
- Added section covering for RHEL Application Streams lifecycle.
- Added section for Runtimes Inventory.
2.2.2. Remediations
UI fixes and improvements
Hostnames of RHC-connected systems no longer populate as localhost in the Execution History tab of the Remediation Plan details.
2.2.3. Inventory
UI fixes and improvements
Several updates and fixes have been implemented to improve Inventory, including:
- Fixed a bug where RHSM display name updates incorrectly overridden names set by the user, Red Hat Lightspeed client, or API.
-
Improved clarity of the tags filter documentation for the
/hostsendpoint. - Removed the uniqueness restriction on inventory workspaces.
- Updated staleness settings to follow conventional standards for all host types.
- Fixed an issue to ensure that the correct system name displays when opening the window for a system tag.
- Completed PatternFly 6 migration.
2.2.4. Advisor
UI fixes and improvements
Advisor recommendations that conflict with active compliance policies are now flagged with a note under Steps to resolve. To find the flagged recommendations, expand the
New recommendations
The Red Hat Lightspeed Advisor service now detects and recommends solutions for the following issues:
- Samba authentication fails after Microsoft Windows security update 2025 is applied when Samba is configured as an Active Directory Domain Member with `idmap_ad`mapping
- Kernel panic with list corruption occurs when large folio migration is performed
-
Leappupgrade is inhibited when RSA/SHA-1 packages are installed on RHEL 9 - Cluster instability occurs when SAP HANA file systems are mounted on NFS shares
-
The GFS2 slabs
dlm_lkbandgfs2_glockconsume high memory due to a known bug in the kernel -
NetworkManager service fails to start when
/var/runis not a soft link -
RHC client cannot execute playbooks from console when proxy is defined in
rhcdconfiguration - The watchdog fails to perform a hard reboot because the large number of shared devices causes a timeout
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