Duplicating linux installation using yum (install the same packages on other server)



Get list of installed RPMs on your box:

yum list installed |tail -n +3|cut -d' ' -f1 > installed_packages.txt

 
Install packages onto new server:
yum -y install $(cat installed_packages.txt)

That`s all

found at: http://unix.stackexchange.com/questions/71/duplicating-a-linux-installation-yum-based

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