[CentOS] performing binary upgrade centos 4 to 5

[Ioannis Vranos]

Dave wrote:
> Hello,
>    I'm trying to take a box from 4.4 to 5.0 and doing it via binary yum 
> upgrade. I'm following the procedure at:
> 
> http://lists.centos.org/pipermail/centos-announce/2007-April/013660.html
> 
> for taking a 4.x box to 5. I've removed any unneeded rpms, and confirmed 
> the state of the system. I downloaded and installed centos-notes-5 and 
> ran an rpm -Uvh centos-release-5 which worked. I imported the centos 5 
> gpg key and confirmed the status of my yum. Then i ran:
> 
> yum upgade
> 
> this didn't work, yum didn't recognize that as a valid option. Is that a 
> mistype? Or is there another step i have to do?
> Thanks.
> Dave.

The proper command is "yum upgrade".