Instructions on how to perform an in-place upgrade from RHEL 8 to RHEL 9 using the Leapp utility are provided by the document Upgrading from RHEL 8 to RHEL 9. For more information, see Upgrading from RHEL 6 to RHEL 7. However, you can perform an in-place upgrade from RHEL 6 to RHEL 7 and then perform a second in-place upgrade to RHEL 8. It is not possible to perform an in-place upgrade directly from RHEL 6 to RHEL 8. Upgrades of RHEL Real Time and RHEL Real Time for Network Functions Virtualization (NFV) in Red Hat OpenStack Platform are now supported. Third-party drivers can now be managed during the in-place upgrade process using custom leapp actors.Īn overview of the pre-upgrade and upgrade reports is now printed in the terminal. The missing free disk space is now correctly detected before the required reboot of the system, and the report correctly displays file systems that do not have enough free space to proceed the upgrade RPM transaction. Issues with the calculation of the required free space on existing disk partitions have been fixed. The LEAPP_OVL_SIZE environment variable is not needed anymore. Requirements on disk space have been significantly reduced on systems with XFS filesystems formatted with ftype=0.ĭisk images created during the upgrade process for upgrade purposes now have dynamic sizes. For more information about the new rebuilding process, see the README.md file which is available in the SRPM package of the Red Hat build of OpenJDK and is also installed by the java-*-openjdk-headless packages under the /usr/share/doc tree.įor more information, see OpenJDK documentation. Because of this update, there is a change in the process of rebuilding the OpenJDK packages on RHEL from the source RPM. The Red Hat build of OpenJDK packages share a single set of binaries between its portable Linux releases, RHEL 8.9 and later releases. The java-1.8.0-openjdk packages, which provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Development Kit. The java-11-openjdk packages, which provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. The java-17-openjdk packages, which provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit. The java-21-openjdk packages, which provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. Notable changes to internationalization in RHEL 8 Red Hat Enterprise Linux 8 international languagesġ2.2. Internationalization"Ĭollapse section "12. Red Hat Enterprise Linux System RolesĮxpand section "12. Dynamic programming languages, web and database serversġ1.14. Deprecated and unmaintained devicesġ1.10. Red Hat Enterprise Linux System Rolesġ0.21. Dynamic programming languages, web and database serversġ0.17. Deprecated functionality"Ĭollapse section "10. Red Hat Enterprise Linux System RolesĬollapse section "9. Important changes to external kernel parametersĨ.13. Dynamic programming languages, web and database serversĤ.13. Distribution of content in RHEL 8"Ĭollapse section "3. Providing feedback on Red Hat documentationĮxpand section "3.
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