Introducing CloudLinux OS 9.5 Stable Release

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CL Release D-1

We’re excited to unveil the latest milestone in our journey: CloudLinux OS 9.5 Stable Release! This release marks a significant step forward in enhancing the performance, security, and stability of your hosting environment. Check the instructions below on how to install and upgrade, and find more information on the detailed changelog.

How to Install CloudLinux 9.5

You can install CloudLinux OS 9.5 on a new server from the ISO image or convert an existing AlmaLinux 9.5 server to CloudLinux 9.5. Please refer to the documentation for details.

How to Upgrade

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We’ve started a gradual rollout of the updated cloudlinux-release package that brings necessary repo updates for 9.5. The Stable rollout will take 10 days, so those of you who are excited to get started right away, please follow these steps to upgrade CloudLinux 9.4 to 9.5 manually:

 1. Update cloudlinux-release package from rollout slot
   # dnf –enablerepo=cloudlinux-rollout-9-bypass install cloudlinux-release

 2. Do system upgrade
   # dnf update

In about 2 weeks, CloudLinux OS 9.5 will be available from the general repository and can be updated with the following command: # dnf update

Changelog

  • Distributed Kernel Version: 5.14.0-503.11.1.el9_5
  • Distributed Kernel Module: kmod-lve-2.1-40.el9
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Updated Module Streams:

  • Apache HTTP Server 2.4.62
  • Node.js 22

Performance Tools and Debuggers Updates:

  • GDB 14.2
  • Valgrind 3.23.0
  • SystemTap 5.1
  • elfutils 0.191
  • libabigail 2.5

Updated Performance Monitoring Tools:

  • PCP 6.2.2
  • Grafana 10.2.6

Compiler Updates:

  • GCC Toolset 14
  • LLVM Toolset 18.1.8
  • Rust Toolset 1.79.0
  • Go Toolset 1.22
  • GCC 11.5
  • Annobin 12.70

Security Updates:

  • The OpenSSL TLS toolkit is upgraded to version 3.2.2. OpenSSL now supports certificate compression extension (RFC 8879) and Brainpool curves have been added to the TLS 1.3 protocol (RFC 8734).
  • The crypto-policies packages have been updated to extend its control to algorithm selection in Java.
  • The ca-certificates program now provides trusted CA roots in the OpenSSL directory format.
  • The NSS cryptographic toolkit packages have been rebased to upstream version 3.101.

Information about Support for New Hardware Devices added in this release can be found in the Extended Hardware Support section.

As we aim to match release versions and cadences with Red Hat Enterprise Linux, you can reference the RHEL 9.5 release notes for a full list of changes in this release.

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