[CentOS-announce] CentOS 4.3 is Released for i386, x86_64, and ia64

Tue Mar 21 13:00:21 UTC 2006
Johnny Hughes <johnny at centos.org>

The CentOS development team is pleased to announce the availability of
CentOS-4.3 in the following architectures:

i386 - This distribution supports AMD (K6, K7, Thunderbird, Athlon,
Athlon XP, Sempron), Pentium (Classic, Pro, II, III, 4, Celeron, M,
Xeon), VIA (C3, Eden, Luke, C7) processors.

x86_64 - This distribution supports AMD 64 (Athlon 64, Opteron) and
Intel Pentium (Xeon EM64T) processors.

ia64 - This distribution supports Intel Itanium2 processors.

There may be a separate release announcement for individual

(Note:  CentOS -4.3 for s390, s390x, alpha, ppc, sparc is in progress
and will be announced later)


The CentOS specific release notes for this upgrade are available here:

Documentation for CentOS 4 (including upstream release notes) is
available here:

You may download the installation CD ISOs (http, ftp, bittorrent) or DVD
ISOs (bittorrent only) from this link:


MD5SUM values for CentOS ISOs

The md5sum values for the latest CentOS ISOs can be obtained from these





Major changes in this version of CentOS include:

1.  Upgraded update system.  The CentOS Project has designed a new
update system to deal with the issues that we had during the last CentOS
4 update cycle.  This new system provides more that 100 total mirrors
for updates and picks geographically close and non-stale mirrors based
on our master server's content.  It provides failover capability, so if
a mirror is unavailable another will be chosen. Combined with the
optional yum-plugin-fastestmirror, it will also pick the mirror that has
the fastest connection to your location.

The new update system uses yum only.  Up2date will work for updates, but
does not provide any of the new functionality, therefore yum is the
recommended way for you to do CentOS updates.

To utilize the new update system with yum, you first need to update yum
and centos-yumconf to the latest versions.  These updates were released
for CentOS 4 on February 16th (CEEA:2006:0216-001, centos-yumconf) and
February 20th (CEBA:2006:0220-001, yum), so you may already have them.

You can check to see if you have the new yum and centos-yumconf with
with command:

rpm -q yum centos-yumconf

If you have the below listed files, you are ready to use the new update


If you have earlier versions of either program, you should be able to
upgrade them with the command:

yum upgrade yum centos-yumconf

Note:  If you have previously modified your /etc/yum.repos.d/CentOS-
Base.repo file, a file named /etc/yum.repos.d/CentOS-Base.repo.rpmnew
will be created.  If you want to use the new update system, this file
should be copied to CentOS-Base.repo.  An example of the new
default /etc/yum.repos.d/CentOS-Base.repo file should look like is
available here:

For more info on the update system, including how to install yum-plugin-
fastestmirror, see:

2.  Frysk, InfiniBand Architecture (IBA), and z/VM hypervisor issues are
discussed in the upstream release notes.  CentOS has support for these
items as well.  For more information see upstream release notes for your
architecture for CentOS-4.3 on the CentOS documentation page:

3. Updated and added packages.  There is a list of all packages either
added or upgraded since CentOS-4.2 in the upstream release notes, please
see the upstream release notes for your architecture for CentOS-4.3 on
the CentOS documentation page:



1.  There is a known upstream issue with recompiling anaconda with the
new version of newt that is included in CentOS-4.3.  If you need to
build anaconda from the SRPM, you will need to downgrade your newt to
newt-0.51.6-5.  Please see this bug report:

2.  There is a known upstream issue with the ypserver rpm that was
provided for EL4 update 3 (ypserv-2.13-9). This is a major issue as it
broke NIS authentication.  The CentOS team rolled in a patch to the
ypserver version on the install CD to fix this issue
(ypserv-2.13-9.centos4).  Subsequently, a new version of ypserver was
release (ypserv-2.13-11) and is available in the updates for CentOS-4.3.
Please see this bug report:


To stay current with CentOS:

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

Join the CentOS mailing list at:

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


Note: It may take a couple days for some of the mirrors to catch up.



The CentOS Team

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