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RedHat Main Version Changes
| Whats new in RHEL 7 |
|---|
| Kernel: 3.10.x (Maipo) |
| Init System: systemd (previous System V) + Unit files |
| Default file system: XFS, BTRFS deprecated |
| Firewall: iptables |
| Virtualization: Docker |
| RPM 4.11 |
| Python 2.7.x |
| PHP 5.4 |
| Perl 5.x |
| Whats new in RHEL 8 |
|---|
| Kernel: 4.18.x (Ootpa) |
| Volume managing: Stratis |
| Network: NetworkManager |
| Firewall: nftables |
| Packaging: DNF (compatibility for YUM) |
| Groups: nfsnobody deprecated (⇒ nobody) |
| Virtualization: Podman |
| MySQL 8 / MariaDB 10.3 |
| PostgreSQL 10 or 9.6 |
| Cockpit default install |
| RPM 4.14 |
| Python 3.x |
| PHP 7.2 |
| Perl |
| Whats new in RHEL 9 |
|---|
| Firewall: nftables |
| Security: The use of SHA-1 for signatures is restricted in the DEFAULT crypto policy. Except for HMAC, SHA-1 is no longer allowed in TLS, DTLS, SSH, IKEv2, DNSSEC, and Kerberos protocols |