The web console now supports live kernel patching. Furthermore, these metrics can be exported to the Grafana server for better visualization.
The Red Hat Enterprise Linux 9 web console provides enhanced monitoring and performance metrics pages that help in identifying spikes in CPU, disk, memory, and bandwidth utilization. Built-in RHEL utilities have been recompiled to use OpenSSL 3.0 As a result, users can now benefit from the new security ciphers used for encryption. OpenSSL 3.0 introduces a provider concept, a new versioning scheme, and improved HTTPS. In addition, SELinux policies have been improved to boost security. This prevents attackers from breaching the system using brute-force attacks. With Red Hat Enterprise Linux 9, the OpenSSH configuration blocks remote login by the root user using password authentication.
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