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CentOS 4.9 Release Notes

Note: This Version of CentOS is past its End Of Life (EOL). Please use a newer version of CentOS than CentOS-4

1. Translations

2. Introduction

Welcome to the CentOS 4.9 release. CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by our Upstream OS Provider (UOP)1.

CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible. (CentOS mainly changes packages to remove upstream vendor branding and artwork.) CentOS is a Free Operating System.

CentOS 4.9 is the ninth update to the CentOS 4 distribution series. It contains bugfixes, updates and new functionality. This is the last expected set of changes to add new functionality to the CentOS 4. We will continue to provide security updates and bug fixes for CentOS 4 until its End-of-Life scheduled for February 29, 2012.

Before reading any further we advise you to read the UOP release notes. The rest of this document is an addendum to those notes, and primarily covers CentOS-specific issues.

3. Known Issues

<!> The upstream provider did not respin media for the 4.9 release and therefore the CentOS project will also not respin our install media. Installs moving forward will be off the 4.8 media and an upgrade will move you from version 4.8 to version 4.9. We do this to maintain compatibility with 3rd party kernel drivers which are designed to be installed as part of the installation process.

4. Packages and Applications

4.1. Packages Upgraded

The following source packages have been upgraded as part of the 4.9 release:

4.2. Packages modified by CentOS

The following packages are modified by the CentOS Project. They have trademark and UOP branding removed as required by the UOP trademark guidelines for redistribution.

4.3. Packages Added By CentOS

The following packages are added by CentOS to allow for doing updates via Yum.

5. Community Involvement

As a CentOS user there are various ways you can help out with the CentOS community.

5.1. Special Interest Groups

CentOS consists of different Special Interest Groups (SIGs) that bring together people with similar interests. The following SIGs already exist:

And we encourage people to join any of these SIGs or start up a new SIG, eg.

5.2. Mailinglists and Forums

Another way you can help out others in the community is by actively helping and resolving problems that users come up against in the mailinglists and forums.

5.3. Wiki and website

Even as an inexperienced CentOS user we can use your help. Because we like to know what problems you encountered, if you had problems finding specific information, how you would improve documentation so it becomes more accessible. This kind of feedback is as valuable to others as it would have been to you so your involvement is required to make CentOS better.

So if you want to help out and improve our documentation and wiki, register on the wiki and subscribe to the centos-docs mailinglist.

6. Further Reading

The following websites contain large amounts of information to help people with their CentOS systems :

7. Thanks

We thank everyone involved for helping us produce this product.

Copyright (C) 2011 CentOS

2023-09-11 07:22