How upgrade CentOS 6.3 to 6.4/6.5/6.6 or from CentOS 5.x to 5.9
You can easily upgrade to newest CentOS version if you are use a dedicated server or Xen VPS,KVM VPS,HVM VPS. But you can not upgrade if your VPS is based on OpenVz
How upgrade CentOS 6.3 to 6.4/6.5/6.6 or from CentOS 5.x to 5.9?
- Make sure your server is a dedicated server or Xen VPS,KVM VPS,HVM VPS
- Backup data
- SSH login via root and run command "yum -y upgrade"
- Wait 10-60 minutes, done!
- Check CentOS version by command "cat /etc/redhat-release"
NOTE:
- You can not upgrade from CentOS 5.x to 6.x
- We recommand you upgrade ASAP after reload OS if you want try new version
- There are no need to upgrade to newest version if all your software already works fine.