Chapter 13. Infrastructure services
The following chapter contains the most notable changes to infrastructure services between RHEL 9 and RHEL 10.
The Kea DHCP server replaces ISC DHCP
Kea is a new Dynamic Host Configuration Protocol (DHCP) server solution in RHEL. Kea DHCP is an implementation from Internet Systems Consortium (ISC) that includes fully functional DHCPv4, DHCPv6, and Dynamic DNS servers. The Kea DHCP server has the following advantages:
- It is an extensible server solution with module hooks.
- It allows re-configuration through the REST API.
- It has a design that allows separation of data (leases) and execution environment.
tuned-ppd, Valkey, libcpuid and dnsconfd packages are now available
The following packages are included in Red Hat Enterprise Linux:
-
tuned-ppd: Thetune-ppdis a replacement ofdrop-in power-profiles-daemonwhich uses TuneD as a backend. -
Valkey: This package replaces redis and provides the same features as it. -
libcpuid: This package has been added for accurate CPU model identification in TuneD. -
dnsconfd:dnsconfdis a local DNS cache configuration daemon. The newly configured daemon provides an easy way to set up DNS caching, split DNS, DNS over TLS, and other DNS features.
Significant changes in the package set for infrastructure services
The following packages are no longer included in Red Hat Enterprise Linux:
-
sendmail: Red Hat recommends migrating to the postfix mail daemon, which is supported. -
redis: Red Hat recommends migrating to thevalkeypackage. -
dhcp: Red Hat recommends migrating to available alternatives such asdhcpcdandISC Kea. -
mod_security: Themod_securitydirective is now available in the EPEL repository . -
spamassassin: The Spamassassin mail filter is now available in EPEL repository instead of standard RHEL repository as it depends onlibdb(Berkeley DB) library which is not available due to licensing issues. -
xsane: The API is not yet ported toGtk3.
The following packages have been renamed: * gpsd : It was previously included as gpsd-minimal.
