Difference between revisions of "RHEL 8 Features"

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Revision as of 13:29, 23 August 2020

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].

upstream Linux kernel 4.18^[2]
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^[3])
Stratis new local storage manager as technology preview
LVM no longer used clvmd, it uses lvmlockd
LVM no longer uses lvmetad daemon for caching metadata and always read metadata from disks.

Docker not included. Use podman, buildah, skopeo, and runC tools
rootless containers is available as a technology preview

MongoDB dropped due to license issues
MariaDB Galera Cluster standard part of MariaDB

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

↑ https://developers.redhat.com/blog/2019/05/07/red-hat-enterprise-linux-8-now-generally-available/

↑ https://kernelnewbies.org/Linux_4.18

↑ https://kernelnewbies.org/Linux_3.5?highlight=%28Metadata%29%7C%28checksumming%29

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