[CentOS] Re: Re: Re: CentOS 5.2 is here!

Johnny Hughes johnny at centos.org
Tue Jun 24 13:21:58 UTC 2008


Mogens Kjaer wrote:
> Rudi Ahlers wrote:
> ...
>> Why don't you check? :)
>>
> 
> On a 5.1 machine ready for 5.2:
> 
> # yum update >/tmp/update.log
> n
> # yum upgrade >/tmp/upgrade.log
> n
> # diff /tmp/update.log /tmp/upgrade.log
> 2c2
> < Setting up Update Process
> ---
>  > Setting up Upgrade Process
> 
> Looks to me that update==upgrade.
> 
> Why does the announcement of 5.2 say it is important
> to use "yum upgrade"?

Because ... if you have every modified your yum.conf file then it is NOT 
replaced by updates.  Therefore MANY CentOS users may not have 
obsoletes=1 set in their yum.conf file

Since there is a possible difference, using "yum upgrade" instead of 
"yum update" works for everyone ... yum update may or may not work.

If you were going to have one set of instructions, which should it be 
... one that works for everyone or one that might or might not work :D

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