Friday, July 10, 2015

What i learned today 9-7-15

Hi all

Bellow are the things learned today.

1.

I understand why we use blacklist=e1000e command in kernel arguments while installing OS in physical servers, i do this previously in server os installations but i forget it some how.

guys please make an note of this, because it is really helpfull for you while installing OS. problem is anaconda installer  is unable to find which network card to be used to search for rpms to proceed with OS installation.

2.

for the first time in my life i used for loop in my work environment , wow it works amazing(i know) , But when you feel an relaxation while it creates output as you desired.
     I look for ways to bringing up all the network cards in my network , usualy what we do means that we go and enter all the cards one by one , we know there is an option for it to reduce the process but we are not ready to find out how to solve it , i just googled it and find out these.

     for i in {0..15};do ifconfig eth"$i" up ; done

This looks like simple to you, but it bring up all the network cards in my Server, Pretty weird right. ya i too accept that fact

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