Difference between Redhat 7 and Redhat 8

Red Hat Enterprise Linux 7

Kernel Version :- 3.10.0-x

Kernel Code Name :- Maipo

Network Time Synchronization :- Using either ntp or chronyd

Maximum Supported File Size :- Max. (individual) file size = 500TiB Max. filesystem size = 500TiB

Max. RAM Supported :- 12 TB*

Default Database :- MariaDB is the default implementation of MySQL in Red Hat Enterprise Linux 7

Default File System :- XFS

Virtual Machines Management :- virtual manager would be available for virtual systems management based on KVM

CUPS logs:- CUPS logs are stored in /var/log/cups directory

Programming Languages :- Python 2 ( 2.7.X),PHP 5.4,Ruby 2.0.0

Display Server by Default: - X.Org server is the default display server in RHEL 7

Repo Channels by Default:- Repo ID: rhel-7-server-rpms

Repo Name: Red Hat Enterprise Linux 7 Server (RPMs)

Red Hat Enterprise Linux 8

Kernel Version :- 4.18.0-x

Kernel Code Name :- Ootpa

Network Time Synchronization :- Using only Chronyd. The ntp implemenation is not supported in RHEL8

Maximum Supported File Size :- The maximum supported size of an XFS file system has been increased from 500 TiB to 1024 TiB and its only for 64bit architecture machines

Max. RAM Supported :- 24 TB*

Default Database :- MariaDB10.3,MySQL 8.0,PostgreSQL 10 and PostgreSQL 9.6,Redis 5.0

Default File System :- XFS

Virtual Machines Management :- By default it is managed by cockpit. If required virtual manager could also be installed

CUPS logs:- All types of CUPS logs are centrally-logged in the systemd journald daemon together with logs from other programs. To access the CUPS logs, use the 'journalctl -u cups' command.

Programming Languages :- Python 3,PHP 7.2,Ruby 2.5.0, Node.js 10

Display Server by Default: - Wayland

Repo Channels by Default:- Repo ID: rhel-8-for-x86_64-appstream-rpms

Repo Name: Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs)

Repo ID: rhel-8-for-x86_64-baseos-rpms

Repo Name: Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs)

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