Centos

Upgrade to CentOS 6.5 from CentOS 6.4/6.3/6.2/6.1/6.0

CentOS (abbreviated from Community Enterprise Operating System) is a Linux distribution that attempts to provide a free enterprise class computing platform which has 100% binary compatibility with its upstream source, Red Hat Enterprise Linux.
Yesterday CentOS published new CentOS 6.5 release. Release Notes for CentOS 6.5 are available at here – we recommend everyone looks through those once.

What’s new in CentOS 6.5

  • The Precision Time Protocol – previously a technology preview – is now fully supported. The following drivers support network time stamping: bnx2x, tg3, e1000e, igb, ixgbe, and sfc.
  • OpenSSL has been updated to version 1.0.1.
  • OpenSSL and NSS now support TLS 1.1 and 1.2.
  • KVM received various enhancements. These include improved read-only support of VMDK- and VHDX-Files, CPU hot plugging and updated virt-v2v-/virt-p2v-conversion tools.
  • Hyper-V and VMware drivers have been updated.
  • Updates to Evolution (2.32) and Libre Office (4.0.4).
CentOS 6.5 release
CentOS 6.5 release

How to upgrade CentOS 6.0/6.1/6.2/6.3/6.4 to CentOS 6.5

To upgrade early CentOS 6.x version to CentOS 6.5 use yum update command from the command-line as root user.
Before upgrade backup of important files, databases, config files…

  • Backup all databases ( MySQL, PostgreSQL, etc.. )
  • Backup all configuration files ( Apache, PHP, MySQL, DNS and Other services )
  • Backup all websites data running in webserver
  • Backup other service if any running on system
Use yum upgrade command to upgrade your current running system.

# yum clean all
# yum update

After successful completion of above command just reboot your system.

# reboot

Verify Upgrade

Finally verify that your system has been upgraded successfully. To confirm it check the /etc/redhat-release file content.

# cat /etc/redhat-release
CentOS release 6.5 (Final)

Downloading CentOS 6.5 for new installs

When possible, consider using torrents to run the downloads. Usually its also the fastest means to download the distro.
Torrent files for the DVD’s are available at
CentOS 6.5 i386 DVD torrent download
CentOS 6.5 x86_64 DVD torrent download

For more information read http://wiki.centos.org/Manuals/ReleaseNotes/CentOS6.5

See also: How to install CentOS 6.5 minimal

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