CentOS-4 for x86_64 Official Release
Posted on: 03/10/2005 05:00 AM

CentOS-4 for x86_64 has been released:

The CentOS team is pleased to announce availability of CentOS 4.0 x86_64. This product supports AMD x86_64 and Intel EM64T processors, including all compatible platforms. Major new features include the Linux 2.6 Kernel, SELinux, udev replacing the /dev system, Xorg, MySQL4, CyrusIMAPD, Gnome 2.8 and KDE 3.3. These improvements along with many more are detailed in the release notes available online (http://mirror.centos.org/centos/4/os/x86_64/RELEASE-NOTES-en.html).

CentOS.org is hosting the CD-ROM Installation set ( 4 CD Set ) on BitTorrent at:
http://mirror.centos.org/centos/4/isos/x86_64/CentOS-4.0-x86_64-bin1to4.torrent

And a DVD-ROM Install Disc on BitTorrent at:
http://mirror.centos.org/centos/4/isos/x86_64/CentOS-4.0-x86_64.DVD.bin.torrent

We request you leave your torrent running (and if behind a firewall, with tcp ports 6881 - 6899 open ) as your client will become part of the peer to peer bittorrent network and reduce the load on our network mirrors. If you need some quick pointers for getting up to speed on bittorrent read http://www.centos.org/modules/smartfaq/faq.php?faqid=24

If you wish to use HTTP to download these files, please check with a mirror close to you, the files might take a few hours to propagate through the mirror network. MD5SUM's for the iso's are provided at the end of this announcement.

Relou Mirrors have setup direct http downloads at http://www.reloumirrors.net/centos4-release/ however, you might want to keep in mind that geographically closer mirrors might give you better performance. A list of http, ftp and rsync mirrors is available online at http://www.centos.org/modules/tinycontent/index.php?id=13 - Please use http and rsync only if circumstances prevent you from using BitTorrent.

Documentation is provided at: http://www.centos.org/docs/4/

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ISSUES:

There are no known issues. The system installers have been tested extensively in house by the CentOS Developers and Testers. Known good install methods include CD-Rom, HTTP, FTP, PXE, NFS and local Hard Drive based.

All fixes and updates released by the upstream provider up to 28th Feb 2005 have been incorporated into the main package tree. Updates received since then, are available via 'yum update'.

The CentOS 4 RPM Signing Key is available from our master mirror network and can be imported as: rpm --import http://mirror.centos.org/centos/RPM-GPG-KEY-centos4 (Note: this is a final release key, the CentOS 4 Beta and CentOS 4 rc1 key cannot be used to verify CentOS 4 packages.)

If you are presently running CentOS 4 Beta we recommend a "linux upgradeany" upgrade install using the CD Installation Set. If you are running CentOS 4 rc1, you can use the "yum upgrade" command to move your installation to CentOS 4.

To upgrade from CentOS 3.X or CentOS 2.1 please read this appendix:
http://www.centos.org/docs/4/html/rhel-ig-x8664-multi-en-4/ap-upgrade.html
~ If this upgrade method is not adequate please see this (pending) alternative CentOS 4.x upgrade techniques FAQ entry: http://www.centos.org/modules/smartfaq/faq.php?faqid=27

Due to the large number of changes in the core system of CentOS4, including the introduction of Udev and SELinux on a 2.6 Kernel, yum based update and upgrade options are not safe methods to upgrade from CentOS 3, and would cause unpredictable results.

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Bug reporting:

Any errors or bugs you encounter should be reported to us via bugzilla on http://www.centos.org/bugs

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MD5SUM for the downloadable CD-ISO Set :

2e357af58548d5579987a910da1dc1b9 CentOS-4.0-x86_64-bin1of4.iso
9ab29be277212a506258786e38935b6f CentOS-4.0-x86_64-bin2of4.iso
293274cdaf16bf20fe761c4991d5fb63 CentOS-4.0-x86_64-bin3of4.iso
507389cedf59b2c768915c0fa4bb49fb CentOS-4.0-x86_64-bin4of4.iso

MD5SUM for the downloadable DVD-ISO Set :

97ead8f3ecf3ea044502499d4fe92b82 CentOS-4.0-x86_64.DVD.bin.iso

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To stay current with CentOS:

Visit our website at http://www.centos.org

Join the CentOS mailing list at:
http://lists.caosity.org/mailman/listinfo/centos

Join various team members on IRC at irc.freenode.net #centos

Enjoy,

The CentOS Team


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