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1. Release for CentOS-5.1 i386 and x86_64 (Karanbir Singh)
Date: Sun, 02 Dec 2007 22:05:38 +0000
From: Karanbir Singh <email@example.com>
Subject: [CentOS-announce] Release for CentOS-5.1 i386 and x86_64
Cc: firstname.lastname@example.org, email@example.com
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
We are pleased to announce the immediate availability of CentOS-5.1 for
the i386 and x86_64 Architectures.
CentOS-5.1 is based on the upstream release 5.1, and includes packages
from all variants including Server and Client. All upstream repositories
have been combined into one, to make it easier for end users to work
with. And the option to further enable external repositories at install
time is now available in the installer.
Further Arch support for PowerPC, IA64 and Sparc are planned and will be
released soon. These arch's will follow the existing pattern of release
to Beta first, and then to Final.
This is the first release where we are also publishing a special
netinstall iso that can be used to start a remote install. Its included
in the isos/ directory. This iso is in addition to the boot.iso
published in the images/ directory of the distribution - there are no
changes to that file.
Verification of downloads and media
We highly recommend that all forms of downloads be verified before use.
Both md5sum and sha1sum for all isos and torrents released by the CentOS
project are published at the same location as the isos and torrents
themselves. md5sum and sha1sum verification tools are available for all
major platforms. As an added option, but not a replacement to the
md5sum/sha1sum process, its possible to check media during install time.
All rpms published by the CentOS project are signed with a gpg key, and
by default we configure yum to verify this signature on package
download. In order to check that this is operating as normal ensure that
each repository section includes two lines that look exactly like this :
Note: 1) url to the gpg key will never point at an external non
2) a copy of the gpg key is also provided on the install media,
and installed as /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5, however do the
possibility of compromised media we recommend you still verify that key
with the one hosted on http://mirror.centos.org/
First a request from us : When possible, consider using torrents to run
the downloads. Not only does it help the community and keeps mirrors
from running up high bandiwdth bills, in most cases you will find its
also the fastest means to download the distro.
Via BitTorrent :
Torrents are available for i386 at
and for x86_64 at http://isoredirect.centos.org/centos/5/isos/x86_64/
Via direct download:
Due to bandwidth considerations the CentOS Project does not publish
ISOS directly from our network machines. However direct downloads are
available from external mirrors over http, ftp and rsync, and a geoip
based list is available at http://isoredirect.centos.org/centos/5/isos/
to give you the best predictable match ( and only lists mirrors that are
updated already, so you dont need to go looking for a mirror with all
the isos you want ! )
Some mirrors also publish DVD images that can be downloaded
directly. Refer to the mirrors list page at
http://www.centos.org/mirrors for more details Mirrors that offer DVD's
are clearly marked on the page.
i386 ISOS and their sha1sum's are :
The distro release notes are only available online at
http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.1/ The release
notes include important changelog info as well as notes about the
installer and outcomes from test situations which the centos-qa team
worked through. Its considered essential reading.
Upstream release notes are available in the NOTES/ directory of the
install media, as well as online at http://www.centos.org/docs/5/ .
These include release specific technologies, new features in the distro
and other misc infomation that can help you better utilise the distro.
Always something worth reading.
How to get help with CentOS
The best place to start when looking for help with CentOS is at the wiki
( http://wiki.centos.org/GettingHelp ) which lists various options and
communities who might be able to help. If you think there is a bug in
the system, do report it at http://bugs.centos.org/ - but keep in mind
that the bugs system is *not* a support mechanism.
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End of CentOS-announce Digest, Vol 34, Issue 3
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