Page 21 - RHEL8 BOOK
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of data blocks. When there is any change in files, XFS breaks the link to common bocks and creates a
new file.
Startis is a new local storage manager, and it provides managed file systems on top of storage pools.
High availability and clusters
We now have new pcs commands to list available watchdog devices and test watchdog devices.
The corosync log now has timestamps in it for better troubleshooting.
Networking
IPtables
nftables replaces iptables as the default network filtering framework, and it uses tables for storing input,
output and forward chains, as like iptables.
You can also convert your existing iptables or ip6tables rules into the suitable ones for nftables.
FirewallD
nftables becomes the default backend for the firewalld daemon.
Security
OpenSSH package has been upgraded to 7.8p1, and it removed the support for SSH version 1 protocol.
Virtualization
RHEL 8 now comes with qemu-kvm v2.12. This version provides few enhancements like UEFI guest
boot, vCPU hot plug and hot unplug, guest I/O threading and Q35 machine type.
S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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