RHEL 8 Features
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wikipedia:RHEL 8 New features from RHEL 8.0 (05/2019): Release Notes https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/8.0_release_notes/index and announcement[1].
- RHEL 8.1, 8.2, 8.3, 8.4, 8.5, 8.6[2], 8.7, 8.8
- Upstream Linux kernel 4.18[3]
- YUM package manager is now based on the DNF technology
- nginx 1.14 and Varnish Cache 6.0 now supported
- nftables framework replaces iptables
- OSCAP add-on enabled by default
Filesystem and Storage
- XFS now supports shared copy-on-write data extents
- Btrfs file system is not supported
- ext4 file system now supports metadata checksum (already available since 2012 in Linux kernel 3.5[4])
- Stratis new local storage manager as technology preview
- LVM no longer used clvmd, it uses lvmlockd
- LVM no longer uses
lvmetaddaemon for caching metadata and always read metadata from disks.
- Docker not included. Use
podman, buildah, skopeo, andrunCtools - rootless containers is available as a technology preview
- MongoDB dropped due to license issues
- MariaDB Galera Cluster standard part of MariaDB
RHEL 8.4 (2021)
- https://www.redhat.com/en/blog/stability-plus-innovation-red-hat-enterprise-linux-84-now-ga
- OSTree
- Podman now has support in RHEL for auto-updating container images
- RELP
- SSH server and client system roles https://www.redhat.com/en/blog/automating-and-managing-ssh-server-configuration-rhel-system-roles-part-1
Related terms
See also
- RHEL: RHEL9, RHEL 8 Features, RHEL 7 Features, CentOS,
/etc/redhat-release, RHSCL, Extended Update Support (EUS), RHEL minor releases, RHUI, AlmaLinux, Rocky Linux
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