RHEL 8 Features

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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

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

↑ 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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