Before upgrading CentOS 5.6 to 5.7 it cannot be stressed enough how important it is to make a backup of your system before you do this. Actions listed in this post are written with the assumption that they will be executed by the root user running the bash or any other modern shell.

Clean All Packages

# yum clean all

The following command will get a list of packages that are going to be updated.

# yum list updates

Upgrade CentOS 5.6 to 5.7

# yum update

Finally reboot the server for Kernel changes to take effect

# reboot

Verify that CentOS 5.7 is working:

# cat /etc/redhat-release
CentOS release 5.7 (Final)

Or:

# lsb_release -a
LSB Version: :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 5.7 (Final)
Release: 5.7
Codename: Final

Or:

# rpm -q centos-release
centos-release-5-7.el5.centos

CentOS 5.7 is now available (see download link at the end of the article) for both 32-bit and 64-bit architectures and it is based on the upstream release of Red Hat Enterprise Linux 5.7. It contains lots of updates, bugfixes and new features.

CentOS 5.7 Downloads

You can download CentOS Linux 6 via the web/ftp server or via BitTorrent (recommended) client.

CentOS 5.7 DVD ISO downloads

• Download CentOS 5.7 32 bit i386 DVD ISO Local Mirror
• Download CentOS 5.7 64 bit x86_64 DVD ISO Local Mirror

CentOS 5.7 DVD ISO Torrents

Torrent files for the DVD’s are available at the following location:

• Download 32 bit i386 torrent file
• Download 64 bit x86_64 torrent file