On Thu, Apr 9, 2009 at 3:06 PM, khalid touati khalidtouati@gmail.com wrote:

Hello, I am new in this mailing,please if somebody knows how to make kdump able to load in startup. i will be very thankful,

Login, execute system-config-kdump and click on enable.

There are a couple of good tutorials about kdump/netdump. Upstream distribution has a very nice knowledgebase article which omes up as the first search at Google.