rpm error " can't create transaction lock"

[Pedro Fernandes Macedo]

Nina Pham wrote:

> HI, what does it mean when I do #rpm -U software.rpm, it turns backs 
> with message "error: can't create transaction lock" ?
>
>
It means that there's some process already using the rpm database.
Check if yum , rpm or up2date are running or if there are any zombie 
processes from any of these programs.

--
Pedro Macedo