[CentOS] is centos update safe

Mogens Kjaer mk at crc.dk
Fri Jun 27 10:55:58 UTC 2008

Kai Schaetzl wrote:
> You are right, there is a difference:
> upgrade
>     Is the same as the update command with the --obsoletes flag set.
>     See update for more details.

If the /etc/yum.conf file contains:


yum update will be the same as yum upgrade.

The yum.conf file will have this line unless manually removed
or you've upgraded from a previous CentOS release that didn't
have it. I guess it has to be very old then, the line is present
in CentOS 4 and 5...


Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: mk at crc.dk Homepage: http://www.crc.dk

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